Apache Tomcat 8 (8.0.21)

Catalina

49785: Enable StartTLS connections for JNDIRealm. (fschumacher)
When docBase refers internal war and unpackWARs is set to false, avoid registration of the invalid redeploy resource that has been added ".war" extension in duplicate. (kfujino)
If WAR exists, it is not necessary to trigger a reload when adding a Directory. (kfujino)
55988: Add support for Java 8 JSSE server-preferred TLS cipher suite ordering. This feature requires Java 8. Based upon a patch provided by Ognjen Blagojevic. (schultz)
56608: When deploying an external WAR, add watched resources in the expanded directory based on whether the expanded directory is expected to exist rather than if it does exist. (markt)
When triggering a reload due to a modified watched resource, ensure that multiple changed watched resources only trigger one reload rather than a series of reloads. (markt)
57601: Ensure that HEAD requests return the correct content length (i.e. the same as for a GET) when the requested resource includes a resource served by the Default servlet. (jboynes/markt)
57602: Ensure that HEAD requests return the correct content length (i.e. the same as for a GET) when the requested resource includes a resource served by a servlet that extends HttpServlet. (markt)
57621: When an async request completes, ensure that any remaining request body data is swallowed. (markt)
57637: Do not create unnecessary sessions when using PersistentValve. (jboynes/fschumacher)
57645: Correct a regression in the fix for 57190 that incorrectly required the path passed to ServletContext.getContext(String) to be an exact match to a path to an existing context. (markt)
Make sure that unpackWAR attribute of Context is handled correctly in HostConfig. (kfujino)
When deploying a WAR file that contains a context.xml file and unpackWARs is false ignore any context.xml file that may exist in an expanded directory associated with the WAR. (markt)
57675: Correctly quote strings when using the extended access log. (markt)
Enable Tomcat to detect when a WAR file has been changed while Tomcat is not running. Tomcat does this by adding a META-INF/war-tracking file to the expanded directory and setting the last modified time of this file to the last modified time of the WAR. If Tomcat detects a modified WAR via this mechanism the web application will be redeployed (i.e. the expanded directory will be removed and the modified WAR expanded in its place). (markt)
57704: Fix potential NPEs during web application start/stop when org.apache.tomcat.InstanceManager is not initialized. (violetagg)
Use the simplified digest output for digest.bat|sh when generating digests with no salt and a single iteration to make it easier to use with DIGEST authentication. (markt)
Add support for LAST_ACCESS_AT_START system property to SingleSignOn. (kfujino)
Refactor Authenticator implementations to reduce code duplication. (markt)
57724: Handle the case in the CORS filter where a user agent includes an origin header for a non-CORS request. (markt)
When searching for SCIs o.a.catalina.Context.getParentClassLoader will be used instead of java.lang.ClassLoader.getParent. Thus one can provide the correct parent class loader when running embedded Tomcat in other environments such as OSGi. (violetagg)
57743: Fix a locked file / resource leak issue when a JAR is accessed just before or during web application undeploy. Patch provided by Pavel Avgustinov. (markt)

Coyote

57540: Make TLS/SSL protocol available in a new request attribute (org.apache.tomcat.util.net.secure_protocol_version). (Note that AJP connectors will require mod_jk 1.2.41 or later, or an as-yet-unknown version of mod_proxy_ajp, or configure the proxy to send the AJP_SSL_PROTOCOL request attribute to Tomcat. Please see the bug comments for details.) Based upon a patch provided by Ralf Hauser. (schultz)
Fix a cipher ordering issue when using the OpenSSL syntax for JSSE cipher configuration to ensure that ephemeral ECDH with AES is preferred to ephemeral ECDH with anything else. (markt)
57570: Make the processing of trailer headers with chunked input optional and disabled by default. (markt)
57592: Correctly handle the case where an AsyncContext is used for non-blocking I/O and is completed during a write operation. (markt)
57638: Avoid an IllegalArgumentException when an AJP request body chunk larger than the socket read buffer is being read. This typically requires a larger than default AJP packetSize. (markt)
57674: Avoid a BufferOverflowException when an AJP response body chunk larger than the socket write buffer is being written. This typically requires a larger than default AJP packetSize. (markt)
Align the OpenSSL syntax cipher configuration with the OpenSSL 1.0.2 branch. (markt)
Numerous fixes to the APR/native connector to improve robustness. (markt)
Stop caching and re-using SocketWrapper instances. With the introduction of upgrade and non-blocking I/O, I/O can occur on non-container threads. This makes it nearly impossible to track whether a SocketWrapper is still being references or not. making re-use a risky proposition. (markt)
Refactor Connector authentication (only used by AJP) into a separate method. (markt)
57708: Implement a new feature for AJP connectors - Tomcat Authorization. If the new tomcatAuthorization attribute is set to true (it is disabled by default) Tomcat will take an authenticated user name from the AJP protocol and use the appropriate Realm for the request to authorize (i.e. add roles) to that user. (markt)
Fix an issue that meant that any pipe-lined data read by Tomcat before an asynchronous request completed was lost during the completion of the asynchronous request. This mean that the pipe-lined request(s) would be lost and/or corrupted. (markt)
Update the minimum recommended version of the Tomcat Native library (if used) to 1.1.33. (markt)

Jasper

57135: Package imports via javax.el.ImportHandler should only import public, concrete classes. (markt)
57583: Cache 'Not Found' results in javax.el.ImportHandler.resolveClass() to save repeated attempts to load classes that are known not to exist to improve performance. (markt)
57626: Correct a regression introduced in the 8.0.16 fix for ensuring Jars were closed after use, that broke recompilation of modified JSPs that depended on a tag file packaged in a Jar. (markt)
57627: Correctly determine last modified times for dependencies when a tag file packaged in a JAR depends on a tag file packaged in a second JAR. (markt)
57647: Ensure INFO message is logged when scanning jars for TLDs if the scan does not find a TLD in any jar. Previously a message would only be logged if a TLD was not found in all scanned jars. (jboynes)
57662: Update all references to the ECJ compiler to version 4.4.2. (violetagg)

Cluster

Remove unnecessary method that always returns true. The domain filtering works on DomainFilterInterceptor. (kfujino)

WebSocket

Correct a bug in the permessage-deflate implementation that meant that the incorrect op-codes were used if an uncompressed message was converted into more than one compressed message. (markt)
57676: List conflicting WebSocket endpoint classes when there is a path conflict. Based upon a patch proposed by yangkun. (schultz)

Web applications

56058: Add links to the AccessLogValve documentation for configuring reverse proxies and/or Tomcat to ensure that the desired information is used entered in the access log when Tomcat is running behind a reverse proxy. (markt)
57587: Update the JNDI Datasource HOWTO for DBCP2. Patch provided by Phil Steitz. (markt)
Remove incorrect note from context configuration page in the documentation web application that stated WAR files located outside the appBase were never unpacked. (markt)
57683: Ensure that if a client aborts their connection to the stock ticker example (the only way a client can disconnect), the example continues to work for existing and new clients. (markt)
Make it clear that when using digested passwords with DIGEST authentication that no salt and only a single iteration must be used when generating the digest. (markt)
Update examples to use Apache Standard Taglib 1.2.5. (jboynes)

Extras

57377: Remove the restriction that prevented the use of SSL when specifying a bind address with the JMXRemoteLifecycleListener. Also enable SSL to be configured for the registry as well as the server. (markt)

Tribes

When a map member has been added to ReplicatedMap, make sure to add it to backup nodes list of all other members. (kfujino)
Make sure that refuse the messages from a different domain in DomainFilterInterceptor. (kfujino)

Other

Update optional Checkstyle library to 6.4.1. (kkolinko)
57703: Update the http-method definition for web applications using a Servlet 2.5 descriptor as per Servlet 2.5 MR 6. (markt)
Update to Tomcat Native Library version 1.1.33 to pick up the Windows binaries that are based on OpenSSL 1.0.1m and APR 1.5.1. (markt)

Coyote

Fix a concurrency issue that meant that a change in socket timeout (e.g. when switching to asynchronous I/O) did not always take effect immediately. (markt)

Catalina

Clarify threaded usage of variables by removing volatile marker in NonceInfo. Issue reported by Coverity Scan. (fschumacher)
57180: Further fixes to support the use of arbitrary HTTP methods with the CORS filter. (markt)
57472: Fix performance regression in resources implementation when signed JARs are used in a web application. (markt)
Warn about problematic setting of appBase. (fschumacher)
Fix exception while authentication in JDBCRealm. (fschumacher)
57534: CORS Filter should only look at media type component of Content-Type request header. (markt)
57556: Align getRealPath() behaviour with that of earlier versions and include a trailing separator if the real path refers to a directory. (markt)
Ensure that Servlet 3.0 async requests where startAsync() is called in one container thread and dispatch() is called in a different container thread complete correctly. (markt)
Ensure that user name checking in the optional SecurityListener is case-insensitive (as documented) and than the case-insensitive comparison is performed using the system default Locale. (markt)
57021: Improve logging in AprLifecycleListener and jni.Library when Tomcat-Native DLL fails to load. Based on a patch by Pravallika Peddi. (markt/kkolinko)

Coyote

Fix several bugs that could cause multiple registrations for write events for a single socket when using Servlet 3.0 async. Typically, the side effects of these multiple registrations would be exceptions appearing in the logs. (markt)
57432: Align SSL_OP_NO_TLSv1_1 and SSL_OP_NO_TLSv1_2 constant values with OpenSSL (they had been swapped). (markt)
57509: Improve length check when writing HTTP/1.1 response headers: reserve space for 4 extra bytes. (kkolinko)
57544: Fix potential infinite loop when preparing a kept alive HTTP connection for the next request. (markt)
57546: Ensure that a dropped network connection does not leave references to the UpgradeProcessor associated with the connection in memory. (markt)
When applying the maxSwallowSize limit to a connection read that many bytes first before closing the connection to give the client a chance to read the response. (markt)
Prevent an async timeout being processed multiple times for the same socket when running on slow and/or heavily loaded systems. (markt)
57581: Change statistics byte counter in coyote Request object to be long to allow values above 2Gb. (kkolinko)
Use the data that supports cipher definition using OpenSSL syntax to improve the quality of values provided for the javax.servlet.request.key_size request attribute. (markt)
Fix a concurrency issue in the APR Poller that meant it was possible under low load for a socket queued to be added to the Poller not to be added for 10 seconds. (markt)

Jasper

57123: Update all references to the ECJ compiler to version 4.4.1. With thanks to Ralph Schaer for uploading the 4.4.1 JAR to Maven Central. (markt)
57564: Make JspC amenable to subclassing. Patch provided by Jan Bartel. (markt)
Simplify code in ProtectedFunctionMapper class of Jasper runtime. (kkolinko)
57574: Do not check existence of a Java package in javax.el.ImportHandler.importPackage(). (kkolinko)

WebSocket

57490: Make it possible to use Tomcat's WebSocket client within a web application when running under a SecurityManager. Based on a patch by Mikael Sterner. (markt)
Add some debug logging to the WebSocket session to track session creation and session closure. (markt)

Web applications

Clarify documentation for useBodyEncodingForURI attribute of a connector. (kkolinko)
Fix possible resource leaks by closing streams properly. Issues reported by Coverity Scan. (fschumacher)
57503: Make clear that the JULI integration for log4j only works with log4j 1.2.x. (markt)
57496: Remove hard-coded URL in JSP SVG example. (markt)

Tribes

Fix a possible deadlock when receiver thread invokes mapMemberAdded() while ping thread invokes memberAlive(). (kfujino)

Other

Enhance bean factory used for JNDI resources. New attribute forceString allows to support non-standard string argument property setters. (rjung)
Assign newly created stream to field instead of leaking it uselessly. Issue reported by Coverity Scan. (fschumacher)
Update optional Checkstyle library to 6.3. (kkolinko)
Guard the digester from MbeansDescriptorsDigesterSource with its own lock object. (fschumacher)
Refactor the unit tests and add some new test properties to make it easier to exclude performance tests and relax timing tests. This is primarily for the ASF CI system where these tests frequently fail. (markt)
57558: Add missing JAR in Ant task definition required by the validate task. (markt)
List names of Testsuites that have failed or skipped tests when running the tests with Ant. (kkolinko)

Catalina

57178: The CORS filter now treats null as a valid origin that matches *. Patch provided by Gregor Zurowski. (markt)
57425: Don't add attributes with null value or name to the replicated context. (fschumacher)
57431: Enable usage of custom class for context creation when using embedded tomcat. (fschumacher)
57446: Ensure that ServletContextListeners that have limited access to ServletContext methods are called with the same ServletContext instance for both contextInitialized() and contextDestroyed(). (markt)
57455: Explicitly block the use of the double-quote character when configuring the common, server and shared class loaders since double-quote is used to quote values that contain commas. (markt)
57461: When an instance of org.apache.catalina.startup.VersionLoggerListener logs the result of System.getProperty("java.home") don't report it in a manner that makes it look like the JAVA_HOME environment variable. (markt)
57476: Ensure the responses written as part of a forward are fully written. This fixes a regression in 8.0.15 caused by the fix for 57252. (markt)
While closing streams for given resources ensure that if an exception happens it will be handled properly. Issue is reported by Coverity Scan. (violetagg)
57481: Fix IllegalStateException at the end of the request when using non-blocking reads with the HTTP BIO connector. (markt)
Change Response to use UEncoder instances with shared safeChars. (fschumacher)
Ensure that when static resources are served from JARs, only static resources are served. (markt)
Allow VersionLoggerListener to log all system properties. This feature is off by default. (kkolinko)

Jasper

Ensure that classes imported via the page directive are made available to the EL environment via the ImportHandler. Issue is reported by Coverity Scan. (violetagg)
57441: Do not trigger an error when using functions defined by lambdas or imported via an ImportHandler in an EL expression in a JSP. (markt)

Cluster

Fix mbean descriptor of ClusterSingleSignOn. (kfujino)
57473: Add sanity check to FarmWebDeployer's WarWatcher to detect suspected incorrect permissions on the watch directory. (schultz)

Tribes

Clarify the handling of Copy message and Copy nodes. (kfujino)
Copy node does not need to send the entry data. It is enough to send only the node information of the entry. (kfujino)
ReplicatedMap should send the Copy message when replicating. (kfujino)
Fix behavior of ReplicatedMap when member has disappeared. If map entry is primary, rebuild the backup members. If primary node of map entry has disappeared, backup node is promoted to primary. (kfujino)

Catalina

Correct a regression in the previous fix for 57252 that broke request listeners for non-async requests that triggered an error that was handled by the ErrorReportingValve. (markt/violetagg)

Coyote

Add flushing to send ack in the NIO2 connector. (remm)

Catalina

57172: Provide a better error message if something attempts to access a resource through a web application class loader that has been stopped. (markt/kkolinko)
57173: Revert the fix for 56953 that broke annotation scanning in some cases. (markt)
57180: Do not limit the CORS filter to only accepting requests that use an HTTP method defined in RFC 7231. (markt)
57190: Fix ServletContext.getContext(String) when parallel deployment is used so that the correct ServletContext is returned. (markt)
57208: Prevent NPE in JNDI Realm when no results are found in a directory context for a user with specified user name. Based on a patch provided by Jason McIntosh. (violetagg)
57209: Add a new attribute, userSearchAsUser to the JNDI Realm. (markt)
57215: Ensure that the result of calling HttpServletRequest.getContextPath() is neither decoded nor normalized as required by the Servlet specification. (markt)
57216: Improve handling of invalid context paths. A context path should either be an empty string or start with a '/' and do not end with a '/'. Invalid context path are automatically corrected and a warning is logged. The null and "/" values are now correctly changed to "". (markt/kkolinko)
Update storeconfig with the CredentialHandler element. (remm)
Correct message that is logged when load-on-startup servlet fails to load. It was logging a wrong name. (kkolinko)
57239: Correct several message typos. Includes patch by vladk. (kkolinko)
Fix closing of Jars during annotation scanning. (schultz/kkolinko)
Fix a concurrency issue in async processing. Ensure that a non-container thread can not change the async state until the container thread has completed. (markt)
57252: Provide application configured error pages with a chance to handle an async error before the built-in error reporting. (markt)
57281: Enable non-public Filter and Servlet classes to be configured programmatically via the Servlet 3.0 API and then used without error when running under a SecurityManager. (markt)
57308: Remove unnecessary calls to System.getProperty() where more suitable API calls are available. (markt)
Add unit tests for RemoteAddrValve and RemoteHostValve. (rjung)
Allow to configure RemoteAddrValve and RemoteHostValve to adopt behavior depending on the connector port. Implemented by optionally adding the connector port to the string compared with the patterns allow and deny. Configured using addConnectorPort attribute on valve. (rjung)
Optionally trigger authentication instead of denial in RemoteAddrValve and RemoteHostValve. This only works in combination with preemptiveAuthentication on the application context. Configured using invalidAuthenticationWhenDeny attribute on valve. (rjung)
Remove the obsolete jndi protocol usage from the scanning process performed by StandardJarScanner. (violetagg)
Prevent file descriptors leak and ensure that files are closed after retrieving the last modification time. (violetagg)
Make o.a.catalina.webresources.StandardRoot easier for extending. (violetagg)
57326: Enable AsyncListener implementations to re-register themselves during AsyncListener.onStartAsync. (markt)
57331: Allow ExpiresFilter to use "year" as synonym for "years" in its configuration. (kkolinko)
Ensure that if the RewriteValve rewrites a request that subsequent calls to HttpServletRequest.getRequestURI() return the undecoded URI. (markt)
Ensure that if the RewriteValve rewrites a request to a non-normalized URI that the URI is normalized before the URI is mapped to ensure that the correct mapping is applied. (markt)
Prevent NPEs being logged during post-processing for requests that have been re-written by the RewriteValve. (markt)
Various StoreConfig improvements including removing a dependency on the StandardServer implementation, improve consistency of behaviour when MBean is not registered and improve error messages when accessed via the Manager application. (markt)
Improve SnoopServlet in unit tests. (rjung)
Add RequestDescriptor class to unit tests. Adjust TestRewriteValve to use RequestDescriptor. (rjung)
Add more AJP unit tests. (rjung)
57363: Log to stderr if LogManager is unable to read configuration files rather than swallowing the exception silently. (markt)

Coyote

Allow HTTP upgrade process to complete without data corruption when additional content is sent along with the upgrade header. (remm)
57187: Regression handling the special * URL. (remm)
57234: Make SSL protocol filtering to remove insecure protocols case insensitive. (markt)
57265: Fix some potential concurrency issues with sendFile and the NIO connector. (markt)
57324: If the client uses Expect: 100-continue and Tomcat responds with a non-2xx response code, Tomcat also closes the connection. If Tomcat knows the connection is going to be closed when committing the response, Tomcat will now also send the Connection: close response header. (markt)
57340: When using Comet, ensure that Socket and SocketWrapper are only returned to their respective caches once on socket close (it is possible for multiple threads to call close concurrently). (markt)
57347: AJP response contains wrong status reason phrase (rjung)
57391: Allow TLS Session Tickets to be disabled when using the APR/native HTTP connector. Patch provided by Josiah Purtlebaugh. (markt)

Jasper

57142: As per the clarification from the JSP specification maintenance lead, classes and packages imported via the page directive must be made available to the EL environment via the ImportHandler. (markt)
57247: Correct the default Java source and target versions in the JspC usage message to 1.7 for Java 7. (markt)
57309: Ensure that the current EL Resolver is given an opportunity to perform type coercion before applying the default EL coercion rules. (markt)
Improve the calculation of the resource's last-modified, performed by JspCompilationContext, in a way to support URLs with protocol different than jar:file. (violetagg)
Fix potential issue with BeanELResolver when running under a security manager. Some classes may not be accessible but may have accessible interfaces. (markt)

Cluster

In order to enable define in Cluster element, ClusterSingleSignOn implements ClusterValve. (kfujino)
57338: Improve the ability of the ClusterSingleSignOn valve to handle nodes being added and removed from the Cluster at run time. (markt)

WebSocket

Correct multiple issues with the flushing of batched messages that could lead to duplicate and/or corrupt messages. (markt)
Correctly implement headers case insensitivity. (markt/remm)
Allow optional use of user extensions. (remm)
Allow using partial binary message handlers. (remm)
Limit ping/pong message size. (remm)
Allow configuration of the time interval for the periodic event. (remm)
More accurate annotations processing. (remm)
Allow optional default for origin header in the client. (remm)

Web applications

Update documentation for CGI servlet. Recommend to copy the servlet declaration into web application instead of enabling it globally. Correct documentation for cgiPathPrefix. (kkolinko)
Improve HTML version of build instructions and align with BUILDING.txt. (kkolinko)
Improve Tomcat Manager documentation. Rearrange, add section on HTML GUI, document /expire command and Server Status page. (kkolinko)
57238: Update information on SSL/TLS on Security and SSL documentation pages. Patch by Glen Peterson. (kkolinko)
57245: Correct the reference to allowLinking in the security configuration guide since that attribute has moved from the Context element to the nested Resources element. (markt)
Fix ambiguity of section links on Valves configuration reference page. (kkolinko)
57261: Fix vminfo and threaddump Manager commands to start their output with an "OK" line. Document them. Based on a patch by Oleg Trokhov. (kkolinko)
57267: Document the StoreConfigLifecycleListener and the /save command for the Manager application. (markt)
57323: Correct display of outdated sessions in sessions count listing in Manager application. (kkolinko)
Add document of ClusterSingleSignOn. (kfujino)

Other

When downloading required libraries at build time, use random name for temporary file and automatically create destination directory (base.path). (kkolinko)
Update optional Checkstyle library to 6.2. (kkolinko)
Simplify setproxy task in build.xml. Taskdef there is not needed since Ant 1.8.2. (kkolinko)
Update "ide-eclipse" target in build.xml to create Eclipse project that uses Java 7 compliance settings instead of workspace-wide defaults. (kkolinko)
Update the package renamed copy of Apache Commons Pool 2 to the 2.3 release to pick up various fixes since the 2.2 release including one for a possible infinite loop. (markt)
57285: Restore the manifest entry that marks the Windows uninstaller application as requiring elevated privileges. (markt)
57344: Provide sha1 checksum files for Tomcat downloads. Correct filename patterns for apache-tomcat-*-embed.tar.gz archive to exclude an *.asc file. (kkolinko)

Catalina

43548: Add an XML schema for the tomcat-users.xml file. (markt)
43682: Add support for referring to the current context, host and service name in per Context logging.properties files by using the properties ${classloader.webappName}, ${classloader.hostName} and ${classloader.serviceName}. (markt)
47919: Extend the information logged when Tomcat starts to optionally log the values of command line arguments (enabled by default) and environment variables (disabled by default). Note that the values added to CATALINA_OPTS and JAVA_OPTS environment variables will be logged, as they are used to build up the command line. (markt)
49939: Expose the method that clears the static resource cache for a web application via JMX. (markt)
55951: Allow cookies to use UTF-8 encoded values in HTTP headers. This requires the use of the RFC6265 CookieProcessor. (markt)
55984: Using the allow separators in version 0 cookies option with the legacy cookie processor should only apply to version 0 cookies. Version 1 cookies with values that contain separators should not be affected and should continue to be quoted. (markt)
56393: Add support for RFC6265 cookie parsing and generation. This is currently disabled by default and may be enabled via the CookieProcessor element of a Context. (markt)
56394: Introduce new configuration element CookieProcessor in Context to allow context-specific configuration of cookie processing options. Attributes of Context element that were added in Tomcat 8.0.13 to allow configuration of a new experimental RFC6265 based cookie parser (useRfc6265 and cookieEncoding) are replaced by this new configuration element. (markt)
Improve the previous fix for 56401. Avoid logging version information in the constructor since it then gets logged at undesirable times such as when using StoreConfig. (markt)
56403: Add pluggable password derivation support to the Realms via the new CredentialHandler interface. (markt/schultz)
57016: When using the PersistentValve do not remove sessions from the store when persisting them. (markt)
Deprecate the use of system properties to control cookie parsing and replace them with attributes on the new CookieProcessor that may be configured on a per context basis. (markt)
Correct an edge case and allow a cookie if the value starts with an equals character and the CookieProcessor is not configured to allow equals characters in cookie values but is configured to allow name only cookies. (markt)
57022: Ensure SPNEGO authentication continues to work with the JNDI Realm using delegated credentials with recent Oracle JREs. (markt)
57027: Add additional validation for stored credentials used by Realms when the credential is stored using hex encoding. (markt)
57038: Add a WebResource.getCodeBase() method, implement for all WebResource implementations and then use it in the web application class loader to set the correct code base for resources loaded from JARs and WARs. (markt)
Correct a couple of NPEs in the JNDI Realm that could be triggered with when not specifying a roleBase and enabling roleSearchAsUser. (markt)
Correctly handle relative values for the docBase attribute of a Context. (markt)
Ensure that log messages generated by the web application class loader correctly identify the associated Context when multiple versions of a Context with the same path are present. (markt)
Remove the unnecessary registration of context.xml as a redeploy resource. The context.xml having an external docBase has already been registered as a redeploy resource at first. (kfujino)
57089: Ensure that configuration of a session ID generator is not lost when a web application is reloaded. (markt)
57105: When parsing web.xml do not limit the buffer element of the jsp-property-group element to integer values as the allowed values are <number>kb or none. (markt)
Update the minimum required version of the Tomcat Native library (if used) to 1.1.32. (markt)
Update storeconfig with newly introduced elements: SessionIdGenerator, CookieProcessor, JarScanner and JarScanFilter. (remm)
Throw a NullPointerException if a null string is passed to the write(String,int,int) method of the PrintWriter obtained from the ServletResponse. (markt)
Cookie rewrite flag abbreviation should be CO rather than C. (remm)
57153: When the StandardJarScanner is configured to scan the full class path, ensure that class path entries added directly to the web application class loader are scanned. (markt)
AsyncContext should remain usable until fireOnComplete is called. (remm)
AsyncContext createListener should wrap any instantiation exception using a ServletException. (remm)
57155: Allow a web application to be configured that does not have a docBase on the file system. This is primarily intended for use when embedding. (markt)
Propagate header ordering from fileupload to the part implementation. (remm)

Coyote

53952: Add support for TLSv1.1 and TLSv1.2 for APR connector. Based upon a patch by Marcel Šebek. This feature requires Tomcat Native library 1.1.32 or later. (schultz/jfclere)
Cache the Encoder instances used to convert Strings to byte arrays in the Connectors (e.g. when writing HTTP headers) to improve throughput. (markt)
Disable SSLv3 by default for JSSE based HTTPS connectors (BIO, NIO and NIO2). The change also ensures that SSLv2 is disabled for these connectors although SSLv2 should already be disabled by default by the JRE. (markt)
Disable SSLv3 by default for the APR/native HTTPS connector. (markt)
Do not increase remaining counter at end of stream in IdentityInputFilter. (kkolinko)
Trigger an error if an invalid attempt is made to use non-blocking IO. (markt)
57157: Allow calls to AsyncContext.start(Runnable) during non-blocking IO reads and writes. (markt)
Async state MUST_COMPLETE should still be started. (remm)

Jasper

57099: Ensure that semi-colons are not permitted in JSP import page directives. (markt)
57113: Fix broken package imports in Expression Language when more than one package was imported and the desired class was not in the last package imported. (markt)
57132: Fix import conflicts reporting in Expression Language. (kkolinko)
When coercing an object to a given type, only attempt coercion to an array if both the object type and the target type are an array type. (violetagg/markt)
Improve handling of invalid input to javax.el.ImportHandler.resolveClass(). (markt)
Allow the same class to be added to an instance of javax.el.ImportHandler more than once without triggering an error. The second and subsequent calls for the same class will be ignored. (markt)
57136: Ensure only \${ and \#{ are treated as escapes for ${ and #{ rather than \$ and \# being treated as escapes for $ and # when processing literal expressions in expression language. (markt)
When coercing an object to an array type in Expression Language, handle the case where the source object is an array of primitives. (markt/kkolinko)
Do not throw an exception on missing JSP file servlet initialization. (remm)
57148: When coercing an object to a given type and a PropertyEditor has been registered for the type correctly coerce the empty string to null if the PropertyEditor throws an exception. (kkolinko/markt)
57153: Correctly scan for TLDs located in directories that represent expanded JARs files that have been added to the web application class loader's class path. (markt)
57141: Enable EL in JSPs to refer to static fields of imported classes including the standard java.lang.* imports. (markt)

Cluster

Add support for the SessionIdGenerator to cluster manager template. (kfujino)
Avoid possible integer overflows reported by Coverity Scan. (fschumacher)

WebSocket

57054: Correctly handle the case in the WebSocket client when the HTTP response to the upgrade request can not be read in a single pass; either because the buffer is too small or the server sent the response in multiple packets. (markt)
Extend support for the permessage-deflate extension to the client implementation. (markt)
Fix client subprotocol handling. (remm)
Add null checks for arguments in remote endpoint. (remm/kkolinko)
57091: Work around the behaviour of the Oracle JRE when creating new threads in an applet environment that breaks the WebSocket client implementation. Patch provided by Niklas Hallqvist. (markt)
57118: Ensure that that an EncodeException is thrown by RemoteEndpoint.Basic.sendObject(Object) rather than an IOException when no suitable Encoder is configured for the given Object. (markt)

Web applications

Correct a couple of broken links in the Javadoc. (markt)
Correct documentation for ServerCookie.ALLOW_NAME_ONLY system property. (kkolinko)
57049: Clarified that jvmRoute can be set in <Engine>'s jvmRoute or in a system property. (schultz)
Correct version of Java WebSocket mentioned in documentation (s/1.0/1.1/). (markt/kkolinko)
Suppress timestamp comments in Javadoc. (kkolinko)
57147: Various corrections to the JDBC Store section of the session manager configuration page of the documentation web application. (markt)

Tribes

45282: Improve shutdown of NIO receiver so that sockets are closed cleanly. (fhanik/markt)

jdbc-pool

57005: Fix javadoc errors when building with Java 8. Patch provided by Pierre Viret. (markt)
57079: Use Tomcat version number for jdbc-pool module when building and shipping the module as part of Tomcat. (markt)
Fix broken overview page in javadoc generated via "javadoc" task in jdbc-pool build.xml file. (kkolinko)

Other

56079: The uninstaller packaged with the Apache Tomcat Windows installer is now digitally signed. (markt)
Fix timestamps in Tomcat build and jdbc-pool to use 24-hour format instead of 12-hour one and use UTC timezone. (markt/kkolinko)
Update the package renamed copy of Apache Commons DBCP 2 to revision 1631450 to pick up additional fixes since the 2.0.1 release including Javadoc corrections to fix errors when compiling with Java 8. (markt)
56596: Update to Tomcat Native Library version 1.1.32 to pick up the Windows binaries that are based on OpenSSL 1.0.1j and APR 1.5.1. (markt)
In Tomcat tests: log name of the current test method at start time. (kkolinko)

Other

56079: The Apache Tomcat Windows installer, the Apache Tomcat Windows service and the Apache Tomcat Windows service monitor application are now digitally signed. (markt)

Catalina

55917: Allow bytes in the range 0x80 to 0xFF to appear in cookie values if the cookie is a V1 (RFC2109) cookie and the value is correctly quoted. The new RFC6265 based cookie parser must be enabled to correctly handle these cookies. (markt)
55918: Do not permit control characters to appear in quoted V1 (RFC2109) cookie values. The new RFC6265 based cookie parser must be enabled to correctly handle these cookies. (markt)
55921: Correctly handle (ignore the cookie) unescaped JSON in a cookie value. The new RFC6265 based cookie parser must be enabled to correctly handle these cookies. (markt)
56401: Log version information when Tomcat starts. (markt/kkolinko)
56530: Add a web application class loader implementation that supports the parallel loading of web application classes. (markt)
56900: Fix some potential resource leaks when reading property files reported by Coverity Scan. Based on patches provided by Felix Schumacher. (markt)
56902: Fix a potential resource leak in the Default Servlet reported by Coverity Scan. Based on a patch provided by Felix Schumacher. (markt)
56903: Correct the return value for StandardContext.getResourceOnlyServlets() so that multiple names are separated by commas. Identified by Coverity Scan and fixed based on a patch by Felix Schumacher. (markt)
Add an additional implementation of a RFC6265 based cookie parser along with new Context options to select and configure it. This parser is currently considered experimental and is not used by default. (markt)
Fixed the multipart elements merge operation performed during web application deployment. Identified by Coverity Scan. (violetagg)
Correct the information written by ExtendedAccessLogValve when a format token x-O(XXX) is used so that multiple values for a header XXX are separated by commas. Identified by Coverity Scan. (violetagg)
Fix a potential resource leak when reading MANIFEST.MF file for extension dependencies reported by Coverity Scan. (violetagg)
Fix some potential resource leaks when reading properties, files and other resources. Reported by Coverity Scan. (violetagg)
Correct the previous fix for 56825 that enabled pre-emptive authentication to work with the SSL authenticator. (markt)
Refactor to reduce code duplication identified by Simian. (markt)
When using parallel deployment and undeployOldVersions feature is enabled on a Host, correctly undeploy context of old version. Make sure that Tomcat does not undeploy older Context if current context is not running. (kfujino)
Fix a rare threading issue when locking resources via WebDAV. (markt)
Fix a rare threading issue when using HTTP digest authentication. (markt)
When deploying war, add XML file in the config base to the redeploy resources if war does not have META-INF/context.xml or deployXML is false. If XML file is created in the config base, redeploy will occur. (kfujino)
Various changes to reduce unnecessary code in Tomcat's copy of Apache Commons BCEL to reduce the time taken for annotation scanning when web applications start. Includes contributions from kkolinko and hzhang9. (markt)
56938: Ensure web applications that have mixed case context paths and are deployed as directories are correctly removed on undeploy when running on a case sensitive file system. (markt)
57004: Add stuckThreadCount property to StuckThreadDetectionValve's JMX bean. Patch provided by Jiří Pejchal. (schultz)
57011: Ensure that the request and response are correctly recycled when processing errors during async processing. (markt)

Coyote

56910: Prevent the invalid value of -1 being used for maxConnections with APR connectors. (markt)
Ensure that AJP connectors enable the KeepAliveTimeout. (kfujino)
Reduce duplicated code. All AJP connectors use common method to configuration of processor. (kfujino)

Jasper

43001: Enable the JspC Ant task to set the JspC option mappedFile. (markt)
Ensure that the implementation of javax.servlet.jsp.PageContext.include(String) and javax.servlet.jsp.PageContext.include(String, boolean) will throw IOException when an I/O error occur during the operation. (violetagg)
56908: Fix some potential resource leaks when reading jar files. Reported by Coverity Scan. Patch provided by Felix Schumacher. (violetagg)
Fix a potential resource leak in JDTCompiler when checking whether a resource is a package. Reported by Coverity Scan. (fschumacher)
56991: Deprecate the use of a request attribute to pass a <jsp-file> declaration to Jasper and prevent an infinite loop if this technique is used in conjunction with an include. (markt)

WebSocket

56905: Make destruction on web application stop of thread group used for WebSocket connections more robust. (kkolinko/markt)
56907: Ensure that client IO threads are stopped if a secure WebSocket client connection fails. (markt)
56982: Return the actual negotiated extensions rather than an empty list for Session.getNegotiatedExtensions(). (markt)
Update the WebSocket implementation to support the Java WebSocket specification version 1.1. (markt)

Web applications

Add JarScanner to the nested components listed for a Context. (markt)
Update the Windows authentication documentation after some additional testing to answer the remaining questions. (markt)

Other

56895: Correctly compose JAVA_OPTS in catalina.bat so that escape sequences are preserved. Patch by Lucas Theisen. (markt)
56988: Allow to use relative path in base.path setting when building Tomcat. (kkolinko)
56990: Ensure that the ide-eclipse build target downloads all the libraries required by the default Eclipse configuration files. (markt)
Update the package renamed copy of Apache Commons DBCP 2 to revision 1626988 to pick up the fixes since the 2.0.1 release including support for custom eviction policies. (markt)
Update the package renamed copy of Apache Commons Pool 2 to revision 1627271 to pick up the fixes since the 2.2 release including some memory leak fixes and support for application provided eviction policies. (markt)

Catalina

Make the session id generator extensible by adding a SessionIdGenerator interface, an abstract base class and a standard implementation. (rjung)
56882: Fix regression in processing of includes and forwards when Context have been reloaded. Tomcat was responding with HTTP Status 503 (Servlet xxx is currently unavailable). (kkolinko)

Coyote

When building a list of JSSE ciphers from an OpenSSL cipher definition, ignore unknown criteria rather than throwing a NullPointerException. (markt)
Add support for the EECDH alias when using the OpenSSL cipher syntax to define JSSE ciphers. (markt)

Jasper

Correct a logic error in the JasperElResolver. There was no functional impact but the code was less efficient as a result of the error. Based on a patch by martinschaef. (markt)
56568: Enable any HTTP method to be used to request a JSP page that has the isErrorPage page directive set to true. (markt)

WebSocket

Extend support for the permessage-deflate extension to compression of outgoing messages on the server side. (markt)

Other

56323: Include the *.bat files when installing Tomcat via the Windows installer. (markt)

Catalina

56658: Fix regression that a context was inaccessible after reload. (kkolinko)
56710: Do not map requests to servlets when context is being reloaded. (kkolinko)
56712: Fix session idle time calculations in PersistenceManager. (kkolinko)
56717: Fix duplicate registration of MapperListener during repeated starts of embedded Tomcat. (kkolinko)
56724: Write an error message to Tomcat logs if container background thread is aborted unexpectedly. (kkolinko)
When scanning class files (e.g. for annotations) and reading the number of parameters in a MethodParameters structure only read a single byte (rather than two bytes) as per the JVM specification. Patch provided by Francesco Komauli. (markt)
Allow the JNDI Realm to start even if the directory is not available. The directory not being available is not fatal once the Realm is started and it need not be fatal when the Realm starts. Based on a patch by Cédric Couralet. (markt)
56736: Avoid an incorrect IllegalStateException if the async timeout fires after a non-container thread has called AsyncContext.dispatch() but before a container thread starts processing the dispatch. (markt)
56739: If an application handles an error on an application thread during asynchronous processing by calling HttpServletResponse.sendError(), then ensure that the application is given an opportunity to report that error via an appropriate application defined error page if one is configured. (markt)
56784: Fix a couple of rare but theoretically possible atomicity bugs. (markt)
56785: Avoid NullPointerException if directory exists on the class path that is not readable by the Tomcat user. (markt)
56796: Remove unnecessary sleep when stopping a web application. (markt)
56801: Improve performance of org.apache.tomcat.util.file.Matcher which is to filter JARs for scanning during web application start. Based on a patch by Sheldon Shao. (markt)
56815: When the gzip option is enabled for the DefaultServlet ensure that a suitable Vary header is returned for resources that might be returned directly in compressed form. (markt)
Do not mark threads from the container thread pool as container threads when being used to process AsyncContext.start(Runnable) so processing is correctly transferred back to a genuine container thread when necessary. (markt)
Add simple caching for calls to StandardRoot.getResources() in the new (for 8.0.x) resources implementation. (markt)
56825: Enable pre-emptive authentication to work with the SSL authenticator. Based on a patch by jlmonteiro. (markt)
56840: Avoid NPE when the rewrite valve is mapped to a context. (remm)
Correctly handle multiple accept-language headers rather than just using the first header to determine the user's preferred Locale. (markt)
56848: Improve handling of accept-language headers. (markt)
56857: Fix thread safety issue when calling ServletContext methods while running under a security manager. (markt)

Coyote

Fix NIO2 sendfile state tracking and error handling to fix various corruption issues. (remm)
Missing timeout for NIO2 sendfile writes. (remm)
Allow inline processing for NIO2 sendfile and optimize keepalive behavior. (remm)
Fix excessive NIO2 sendfile direct memory use in some cases, sendfile will now instead use the regular socket write buffer as configured. (remm)
56661: Fix getLocalAddr() for AJP connectors. The complete fix is only available with a recent AJP forwarder like the forthcoming mod_jk 1.2.41. (rjung)
Use default ciphers defined as HIGH:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5 so that no weak ciphers are enabled by default. (remm)
56780: Enable Tomcat to start when using SSL with an IBM JRE in strict SP800-131a mode. (markt)
56810: Remove use of Java 8 specific API calls in unit tests for OpenSSL to JSSE cipher conversion. (markt)

Jasper

56709: Fix system property name in a log message. Submitted by Robert Kish. (remm)
56797: When matching a method in an EL expression, do not treat bridge methods as duplicates of the method they bridge to. In this case always call the target of the bridge method. (markt)

WebSocket

56746: Allow secure WebSocket client threads to use the current context class loader rather than explicitly setting it to the class loader that loaded the WebSocket implementation. This allows WebSocket client connections from within web applications to access, amongst other things, the JNDI resources associated with the web application. (markt)

Web applications

Correct the label in the list of sessions by idle time for the bin that represents the idle time immediately below the maximum permitted idle time when using the expire command of the Manager application. (markt)

jdbc-pool

53088: More identifiable thread name. (fhanik)
53200: Selective logging for slow versus failed queries. (fhanik)
53853: More flexible classloading. (fhanik)
54225: Disallow empty init SQL. (fhanik)
54227: Evaluate max age upon borrow. (fhanik)
54235: Disallow nested pools exploitating using data source. (fhanik)
54395: Fix JDBC interceptor parsing bug. (fhanik)
54537: Performance improvement in StatementFinalizer. (fhanik)
54978: Make sure proper connection validation always happens, regardless of config. (fhanik)
56318: Ability to trace statement creation in StatementFinalizer. (fhanik)
56789: getPool() returns the actual pool, always. (fhanik)

Other

56788: Display the full version in the list of installed applications when installed via the Windows installer package. Patch provided by Alexandre Garnier. (markt)
56829: Add the ability for users to define their own values for _RUNJAVA and _RUNJDB environment variables. Be more strict with executable filename on Windows (s/java/java.exe/). Based on a patch by Neeme Praks. (markt/kkolinko)

Catalina

44312: Log an error if there is a conflict between Host and Alias names. Improve host management methods in Mapper to avoid occasionally removing a wrong host. Check that host management operations are performed on the host and not on an alias. (kkolinko)
56611: Refactor code to remove inefficient calls to Method.isAnnotationPresent(). Based on a patch by Jian Mou. (markt/kkolinko)
Fix regression in StandardContext.removeApplicationListener(), introduced by the fix for bug 56588. (kkolinko)
56653: Fix concurrency issue with lists of contexts in Mapper when stopping Contexts. (kkolinko)
56657: When using parallel deployment, if the same session id matches different versions of a web application, prefer the latest version. Ensure that remapping selects the version that we expect. (kkolinko)
Assert that mapping result object is empty before performing mapping work in Mapper. (kkolinko)
Remove context and wrapper fields in Request class and deprecate their setters. (kkolinko)
56658: Avoid delay between registrations of mappings for context and for its servlets. (kkolinko)
56665: Correct the generation of the effective web.xml when elements contain an empty string as value. (violetagg)
Fix storeconfig exception routing issues, so that a major problem should avoid configuration overwrite. (remm)
Add configuration fields for header names in SSLValve. (remm)
56666: When clearing the SSO cookie use the same values for domain, path, httpOnly and secure as were used to set the SSO cookie. (markt)
56677: Ensure that HttpServletRequest.getServletContext() returns the correct value during a cross-context dispatch. (markt)
56684: Ensure that Tomcat does not shut down if the socket waiting for the shutdown command experiences a SocketTimeoutException. (markt)
56693: Fix various issues in the static resource cache implementation where the cache retained a stale entry after the successful completion of an operation that always invalidates the cache entry such as a delete operation. (markt)
When the current PathInfo is modified as a result of dispatching a request, ensure that a call to HttpServletRequest.getPathTranslated() returns a value that is based on the modified PathInfo. (markt)
56698: When persisting idle sessions, only persist newly idle sessions. Patch provided by Felix Schumacher. (markt)

Coyote

56663: Fix edge cases demonstrated by ByteCounter relating to data available, remaining and extra write events, mostly occurring with non blocking Servlet 3.1. (remm)
Avoid possible NPE stopping endpoints that are not started (stop shouldn't do anything in that case). (remm)
56704: Add support for OpenSSL syntax for ciphers when using JSSE SSL connectors. Submitted by Emmanuel Hugonnet. (remm)
Allow to configure maxSwallowSize attribute of an HTTP connector via JMX. (kkolinko)

Jasper

56543: Update to the Eclipse JDT Compiler 4.4. (violetagg)
56652: Add support for method parameters that use arrays and varargs to ELProcessor.defineFunction().(markt)

WebSocket

Add support for the permessage-deflate extension. This is currently limited to decompressing incoming messages on the server side. It is expected that support will be extended to outgoing messages and to the client side shortly. (markt)

Web applications

Attempt to obfuscate session cookie values associated with other web applications when viewing HTTP request headers with the Cookies example from the examples web application. This reduces the opportunity to use this example for malicious purposes should the advice to remove the examples web application from security sensitive systems be ignored. (markt)
56694: Remove references to Manager attribute checkInterval from documentation and Javadoc since it no longer exists. Based on a patch by Felix Schumacher. Also remove other references to checkInterval that are no longer valid. (markt)

Other

Update the API stability section of the release notes now that Tomcat 8 has had its first stable release. (markt)
Improve build.xml so that when Eclipse JDT Compiler is updated, it will delete the old JAR from build/lib directory. (kkolinko)
Simplify implementation of "setproxy" target in build.xml. (kkolinko)
Update optional Checkstyle library to 5.7. (kkolinko)
56596: Update to Tomcat Native Library version 1.1.31 to pick up the Windows binaries that are based on OpenSSL 1.0.1h. (markt)
56685: Add quotes necessary for daemon.sh to work correctly on Solaris. Based on a suggestion by lfuka. (markt)
Update package renamed Apache Commons Pool2 to r1609323 to pick various bug fixes. (markt)
Update package renamed Apache Commons DBCP2 to r1609329 to pick up a minor bug fix. (markt)
Update package renamed Apache Commons FileUpload to r1596086 to pick various bug fixes. (markt)

Catalina

55282: Ensure that one and the same application listener is added only once when starting the web application. (violetagg)
55975: Apply consistent escaping for double quote and backslash characters when escaping cookie values. (markt)
56387: Improve the code that handles an attempt to load a class after a web application has been stopped. Use common code to handle this case regardless of the access path and don't throw an exception purely to log a stack trace. (markt)
56399: Improve implementation of CoyoteAdapter.checkRecycled() to do not use an exception for flow control. (kkolinko)
56461: New failCtxIfServletStartFails attribute on Context and Host configuration to force the context startup to fail if a load-on-startup servlet fails its startup. (slaurent)
56526: Improved the StuckThreadDetectionValve to optionally interrupt stuck threads to attempt to unblock them. (slaurent)
56545: Pre-load two additional classes, the loading of which may otherwise be triggered by a web application which in turn would trigger an exception when running under a security manager. (markt)
56546: Reduce logging level for stack traces of stuck web application threads printed by WebappClassLoader.clearReferencesThreads() from error to info. (kkolinko)
Refactor and simplify common code in object factories in org.apache.catalina.naming package, found thanks to Simian (Similarity Analyser) tool. Improve handling of Throwable. (markt/kkolinko)
Relax cookie naming restrictions. Cookie attribute names used in the Set-Cookie header may be used unambiguously as cookie names. The restriction that prevented such usage has been removed. (jboynes/markt)
Further relax cookie naming restrictions. Version 0 (a.k.a Netscape format) cookies may now use names that start with the $ character. (jboynes/markt)
Restrict cookie naming so that the = character is no longer permitted in a version 0 (a.k.a. Netscape format) cookie name. While Tomcat allowed this, browsers always truncated the name at the = character leading to a mis-match between the cookie the server set and the cookie returned by the browser. (jboynes/markt)
Add a simple ServiceLoader based discovery mechanism to the JULI LogFactory to make it easier to use JULI and Tomcat components that depend on JULI (such as Jasper) independently from Tomcat. Patch provided by Greg Wilkins. (markt)
56578: Correct regression in the fix for 56339 that prevented sessions from expiring when using clustering. (markt)
56588: Remove code previously added to enforce the requirements of section 4.4 of the Servlet 3.1 specification. The code is no longer required now that Jasper initialization has been refactored and TLD defined listeners are added via a different code path that already enforces the specification requirements. (markt)
56600: In WebdavServlet: Do not waste time generating response for broken PROPFIND request. (kkolinko)
Provide a better error message when asynchronous operations are not supported by a filter or servlet. Patch provided by Romain Manni-Bucau. (violetagg)
56606: User entries in tomcat-users.xml file are recommended to use "username" attribute rather than legacy "name" attribute. Fix inconsistencies in Windows installer, examples. Update digester rules and documentation for MemoryRealm. (markt/kkolinko)

Coyote

56518: When using NIO, do not attempt to write to the socket if the thread is marked interrupted as this will lead to a connection limit leak. This fix was based on analysis of the issue by hanyong. (markt)
56521: Re-use the asynchronous write buffer between writes to reduce allocation and GC overhead. Based on a patch by leonzhx. Also make the buffer size configurable and remove copying of data within buffer when the buffer is only partially written on a subsequent write. (markt)
Ensure that a request without a body is correctly handled during Comet processing. This fixes the Comet chat example. (markt)
Fix input concurrency issue in NIO2 upgrade. (remm)
Correct a copy/paste error and return a 500 response rather than a 400 response when an internal server error occurs on early stages of request processing. (markt)
56582: Use switch(actionCode) in processors instead of a chain of "elseif"s. (kkolinko)
56582#c1: Implement DISPATCH_EXECUTE action for AJP connectors. (kkolinko)
Fix CVE-2014-0227: Various improvements to ChunkedInputFilter including clean-up, i18n for error messages and adding an error flag to allow subsequent attempts at reading after an error to fail fast. (markt)
If request contains an unrecognized Expect header, respond with error 417 (Expectation Failed), according to RFC2616 chapter 14.20. (markt)
When an error occurs after the response has been committed close the connection immediately rather than attempting to finish the response to make it easier for the client to differentiate between a complete response and one that failed part way though. (markt)
Remove the beta tag from the NIO2 connectors. (remm)
56620: Avoid bogus access log entries when pausing the NIO HTTP connector and ensure that access log entries generated by error conditions use the correct request start time. (markt)
Improve configuration of cache sizes in the endpoint. (markt)
Add a new limit, defaulting to 2MB, for the amount of data Tomcat will swallow for an aborted upload. The limit is configurable by maxSwallowSize attribute of an HTTP connector. (markt)

Jasper

56334#c15: Fix a regression in EL parsing when quoted string follows a whitespace. (kkolinko/markt)
56543: Update to the Eclipse JDT Compiler 4.4RC4 to pick up some fixes for Java 8 support. (markt/kkolinko)
56561: Avoid NoSuchElementException while handling attributes with empty string value. (violetagg)
Do not configure a JspFactory in the JasperInitializer if one has already been set as might be the case in some embedding scenarios. (markt)
Add a simple implementation of InstanceManager and have Jasper use it if no other InstanceManager is provided. This makes it easier to use Jasper independently from Tomcat. Patch provided by Greg Wilkins. (markt)
56568: Allow any HTTP method when a JSP is being used as an error page. (markt)
56581: If an error on a JSP page occurs when response has already been committed, do not clear the buffer of JspWriter, but flush it. It will make more clear where the error occurred. (kkolinko)
56612: Correctly parse two consecutive escaped single quotes when used in UEL expression in a JSP. (markt)
Move code that parses EL expressions within JSP template text from Parser to JspReader class for better performance. (kkolinko)
56636: Correctly identify the required method when specified via ELProcessor.defineFunction(String,String,String,String) when using Expression Language. (markt)
56638: When using ELProcessor.defineFunction(String,String,String,String) and no function name is specified, use the method name as the function name as required by the specification. (markt)

WebSocket

56446: Clearer handling of exceptions when calling a method on a POJO based WebSocket endpoint. Based on a suggestion by Eugene Chung. (markt)
When a WebSocket client attempts to write to a closed connection, handle the resulting IllegalStateException in a manner consistent with the handling of an IOException. (markt)
Add more varied endpoints for echo testing. (remm)
56577: Improve the executor configuration used for the callbacks associated with asynchronous writes. (markt)

Web applications

Set the path for cookies created by the examples web application so they only returned to the examples application. This reduces the opportunity for using such cookies for malicious purposes should the advice to remove the examples web application from security sensitive systems be ignored. (markt/kkolinko)
Attempt to obfuscate session cookie values associated with other web applications when viewing HTTP request headers with the Request Header example from the examples web application. This reduces the opportunity to use this example for malicious purposes should the advice to remove the examples web application from security sensitive systems be ignored. (markt)
Add options for all of the WebSocket echo endpoints to the WebSocket echo example in the examples web application. (markt)
Ensure that the asynchronous WebSocket echo endpoint in the examples web application always waits for the previous message to complete before it sends the next. (markt)

Other

Update package renamed Apache Commons DBCP2 to r1596858. (markt)

Catalina

56536: Ensure that HttpSessionBindingListener.valueUnbound() uses the correct class loader when the SingleSignOn valve is used. (markt)

Jasper

56529: Avoid NoSuchElementException while handling attributes with empty string value in custom tags. Patch provided by Hariprasad Manchi. (violetagg)

Catalina

56523: When using SPNEGO authentication, log the exceptions associated with failed user logins at debug level rather than error level. (markt)

Coyote

56399: Assert that both Coyote and Catalina request objects have been properly recycled. (kkolinko)

Jasper

56522: When setting a value for a ValueExpression, ensure that the expected coercions take place such as a null string being coerced to an empty string. (markt)

Other

Copy missing resources file from Apache Commons DBCP 2 to packaged renamed copy of DBCP 2. (markt)

Catalina

Fix extension validation which was broken by refactoring for new resources implementation. (markt)
Fix custom UTF-8 decoder so that a byte of value 0xC1 is always rejected immediately as it is never valid in a UTF-8 byte sequence. Update UTF-8 decoder tests to account for UTF-8 decoding improvements in Java 8. The custom UTF-8 decoder is still required due to bugs in the UTF-8 decoder provided by Java. Java 8's decoder is better than Java 7's but it is still buggy. (markt)
56027: Add more options for managing FIPS mode in the AprLifecycleListener. (schultz/kkolinko)
56320: Fix a file descriptor leak in the default servlet when sendfile is used. (markt)
56321: When a WAR is modified, undeploy the web application before deleting any expanded directory as the undeploy process may refer to classes that need to be loaded from the expanded directory. If the expanded directory is deleted first, any attempt to load a new class during undeploy will fail. (markt)
56327: Enable AJP as well as HTTP connectors to be created via JMX. Patch by kiran. (markt)
56339: Avoid an infinite loop if an application calls session.invalidate() from the session destroyed event for that session. (markt)
56365: Simplify file name pattern matching code in StandardJarScanner. Improve documentation. (kkolinko)
Ensure that the static resource cache is able to detect when a cache entry is invalidated by being overridden by a new resource in a different WebResourceSet. (markt)
56369: Ensure that removing an MBean notification listener reverts all the operations performed when adding an MBean notification listener. (markt)
Improve implementation of Lifecycle for WebappClassLoader. State is now correctly reported rather than always reporting as NEW. (markt)
56382: Information about finished deployment and its execution time is added to the log files. Patch is provided by Danila Galimov. (violetagg)
56383: Properties for disabling server information and error report are added to the org.apache.catalina.valves.ErrorReportValve. Based on the patch provided by Nick Bunn. (violetagg/kkolinko)
56390: Fix JAR locking issue with JARs containing TLDs and the TLD cache that prevented the undeployment of web applications when the WAR was deleted. (markt)
Fix CVE-2014-0119: Only create XML parsing objects if required and fix associated potential memory leak in the default Servlet. Extend XML factory, parser etc. memory leak protection to cover some additional locations where, theoretically, a memory leak could occur. (markt)
Modify generic exception handling so that StackOverflowError is not treated as a fatal error and can handled and/or logged as required. (markt)
56409: Avoid StackOverflowError on non-Windows systems if a file named \ is encountered when scanning for TLDs. (markt)
56430: Extend checks for suspicious URL patterns to include patterns of the form *.a.b which are not valid patterns for extension mappings. (markt)
56441: Raise the visibility of exceptions thrown when a problem is encountered calling a getter or setter on a component attribute. The logging level is raised from debug to warning. (markt)
56463: Property for disabling server information is added to the DefaultServlet. Server information is presented in the response sent to the client when directory listings is enabled. (violetagg)
56472: Allow NamingContextListener to clean up on stop if its start failed. (kkolinko)
56481: Work around case insensitivity issue in URLClassLoader exposed by some recent refactoring. (markt)
56492: Avoid eclipse debugger pausing on uncaught exceptions when tomcat renews its threads. (slaurent)
Add the org.apache.naming package to the packages requiring code to have the defineClassInPackage permission when running under a security manager. (markt)
Make the naming context tokens for containers more robust by using a separate object. Require RuntimePermission when introducing a new token. (markt/kkolinko)
56501: HttpServletRequest.getContextPath() should return the undecoded context path used by the user agent. (markt)
Minor fixes to ThreadLocalLeakPreventionListener. Do not trigger threads renewal for failed contexts. Do not ignore threadRenewalDelay setting. Improve documentation. (kkolinko)
Correct regression introduced in r1239520 that broke loading of users from tomcat-users.xml when using the JAASMemoryLoginModule. (markt)
Correct regression introduced in r797162 that broke authentication of users when using the JAASMemoryLoginModule. (markt)

Coyote

More cleanup of NIO2 endpoint shutdown. (remm)
56336: AJP output corruption and errors. (remm)
Handle various cases of incomplete writes in NIO2. (remm)
Code cleanups and i18n in NIO2. (remm)
Fix extra onDataAvailable calls in the NIO2 connector. (remm)
Fix gather writes in NIO2 SSL. (remm)
Upgrade the NIO2 connectors to beta, but still not ready for production. (remm)
Fix code duplication between NIO and NIO2. (remm)
56348: Fix slow asynchronous read when read was performed on a non-container thread. (markt)
56416: Correct documentation for default value of socket linger for the AJP and HTTP connectors. (markt)
Fix possible corruption if doing keepalive after a comet request. (remm)
56518: Fix connection limit latch leak when a non-container thread is interrupted during asynchronous processing. (markt)

Jasper

56334: Fix a regression in the handling of back-slash escaping introduced by the fix for 55735. (markt/kkolinko)
56425: Improve method matching for EL expressions. When looking for matching methods, an exact match between parameter types is preferred followed by an assignable match followed by a coercible match. (markt)
Correct the handling of back-slash escaping in the EL parser and no longer require that \$ or \# must be followed by { in order for the back-slash escaping to take effect. (markt)

Cluster

Remove the implementation of org.apache.catalina.LifecycleListener from org.apache.catalina.ha.tcp.SimpleTcpCluster. SimpleTcpCluster does not work as LifecycleListener, it works as nested components of Host or Engine. (kfujino)
Remove cluster and replicationValve from cluster manager template. These instance are not necessary to template. (kfujino)
Add support for cross context session replication to org.apache.catalina.ha.session.BackupManager. (kfujino)
Remove the unnecessary cross context check. It does not matter whether the context that is referenced by other context is set to crossContext=true. The context that refers to the different context must be set to crossContext=true. (kfujino)
Move to org.apache.catalina.ha.session.ClusterManagerBase common logics of org.apache.catalina.ha.session.BackupManager and org.apache.catalina.ha.session.DeltaManager. (kfujino)
Simplify the code of o.a.c.ha.tcp.SimpleTcpCluster. In order to add or remove cluster valve to Container, use pipeline instead of IntrospectionUtils. (kfujino)
There is no need to set cluster instance when SimpleTcpCluster.unregisterClusterValve is called. Set null than cluster instance for cleanup. (kfujino)

WebSocket

56343: Avoid a NPE if Tomcat's Java WebSocket 1.0 implementation is used with the Java WebSocket 1.0 API JAR from the reference implementation. (markt)
Increase the default maximum size of the executor used by the WebSocket implementation for call backs associated with asynchronous writes from 10 to 200. (markt)
Add a warning if the thread group created for WebSocket asynchronous write call backs can not be destroyed when the web application is stopped. (markt)
Ensure that threads created to support WebSocket clients are stopped when no longer required. This will happen automatically for WebSocket client connections initiated by web applications but stand alone clients must call WsWebSocketContainer.destroy(). (markt)
56449: When creating a new session, add the message handlers to the session before calling Endpoint.onOpen() so the message handlers are in place should the onOpen() method trigger the sending of any messages. (markt)
56458: Report WebSocket sessions that are created over secure connections as secure rather than as not secure. (markt)
Stop threads used for secure WebSocket client connections when they are no longer required and give them better names for easier debugging while they are running. (markt)

Web applications

Add Support for copyXML attribute of Host to Host Manager. (kfujino)
Ensure that "name" request parameter is used as a application base of host if "webapps" request parameter is not set when adding host in HostManager Application. (kfujino)
Correct documentation on Windows service options, aligning it with Apache Commons Daemon documentation. (kkolinko)
56418: Ensure that the Manager web application does not report success for a web application deployment that fails. (slaurent)
Improve valves documentation. Split valves into groups. (kkolinko)
56513: Make the documentation crystal clear that using sendfile will disable any compression that Tomcat may otherwise have applied to the response. (markt)

Other

Review source code and take advantage of Java 7's try-with-resources syntax where possible. (markt)
Align DisplayName of Tomcat installed by service.bat with one installed by the *.exe installer. Print a warning in case if neither server nor client jvm is found by service.bat. (kkolinko)
56363: Update to version 1.1.30 of Tomcat Native library. (schultz)
Update package renamed Apache Commons BCEL to r1593495 to pick up some additional changes for Java 7 support and some code clean up. (markt)
Update package renamed Apache Commons FileUpload to r1569132 to pick up some small improvements (e.g. better null protection) and some code clean up. (markt)
Update package renamed Apache Commons Codec to r1586336 to pick up some Javadoc fixes and some code clean up. (markt)
Switch to including Apache Commons DBCP via a package renamed svn copy rather than building from a source release for consistency with other Commons packages and to allow faster releases to fix DBCP related issues. (markt)
Update package renamed Apache Commons Pool2 and DBCP2 to r1593563 to pick various bug fixes. (markt)
In tests: allow to configure directory where JUnit reports and access log are written to. (kkolinko)

Catalina

Rework the fix for 56190 as the previous fix did not recycle the request in all cases leading to mis-routing of requests. (markt)
Allow web applications to package tomcat-jdbc.jar and their JDBC driver of choice in the web application. (markt)
56293: Cache resources loaded by the class loader from /META-INF/services/ for better performance for repeated look ups. (markt)

Coyote

Fix possibly incomplete final flush with NIO2 when using non blocking mode. (remm)
Cleanup NIO2 endpoint shutdown. (remm)
Fix rare race condition notifying onWritePossible in the NIO2 HTTP/1.1 connector. (remm)

Jasper

54475: Add Java 8 support to SMAP generation for JSPs. Patch by Robbie Gibson. (markt)

Web applications

56273: If the Manager web application does not perform an operation because the web application is already being serviced, report an error rather than reporting success. (markt)
56304: Add a note to the documentation about not using WebSocket with BIO HTTP in production. (markt)

Catalina

Restore the ability to use the addURL() method of the web application class loader to add external resources to the web application. (markt)
Improve the robustness of web application undeployment based on some code analysis triggered by the report for 54315. (markt)
56125: Correctly construct the URL for a resource that represents the root of a JAR file. (markt)
Generate a valid root element for the effective web.xml for a web application for all supported versions of web.xml. (markt)
Make it easier for applications embedding and/or extending Tomcat to modify the javaseClassLoader attribute of the WebappClassLoader. (markt)
Add missing support for <deny-uncovered-http-methods> element when merging web.xml files. (markt)
Improve merging process for web.xml files to take account of the elements and attributes supported by the Servlet version of the merged file. (markt)
Avoid NullPointerException in resource cache when making an invalid request for a resource outside of the web application. (markt)
Remove an unnecessary null check identified by FindBugs. (markt)
In WebappClassLoader, when reporting threads that are still running while web application is being stopped, print their stack traces to the log. (kkolinko)
56190: The response should be closed (i.e. no further output is permitted) when a call to AsyncContext.complete() takes effect. (markt)
56236: Enable Tomcat to work with alternative Servlet and JSP API JARs that package the XML schemas in such as way as to require a dependency on the JSP API before enabling validation for web.xml. Tomcat has no such dependency. (markt)
56244: Fix MBeans descriptor for WebappClassLoader MBean. (kkolinko)
Add a work around for validating XML documents (often TLDs) that use just the file name to refer to refer to the JavaEE schema on which they are based. (markt)
Add methods of get the idle time from last client access time to org.apache.catalina.Session. (kfujino)
56246: Fix NullPointerException in MemoryRealm when authenticating an unknown user. (markt)
56248: Allow the deployer to update an existing WAR file without undeploying the existing application if the update flag is set. This allows any existing custom context.xml for the application to be retained. To update an application and remove any existing context.xml simply undeploy the old version of the application before deploying the new version. (markt)
56253: When listing resources that are provided by a JAR, fix possible StringIndexOutOfBoundsExceptions. Add some unit tests for this and similar scenarios and fix the additional issues those unit tests identified. Based on a patch by Larry Isaacs. (markt)
Fix CVE-2014-0096: Redefine the globalXsltFile initialisation parameter of the DefaultServlet as relative to CATALINA_BASE/conf or CATALINA_HOME/conf. Prevent user supplied XSLTs used by the DefaultServlet from defining external entities. (markt)

Coyote

In some circumstances asynchronous requests could time out too soon. (markt)
56172: Avoid possible request corruption when using the AJP NIO connector and a request is sent using more than one AJP message. Patch provided by Amund Elstad. (markt)
Add experimental NIO2 connector. Based on code developed by Nabil Benothman. (remm)
Fix CVE-2014-0075: Improve processing of chuck size from chunked headers. Avoid overflow and use a bit shift instead of a multiplication as it is marginally faster. (markt/kkolinko)
Fix CVE-2014-0095: Correct regression introduced in 8.0.0-RC2 as part of the Servlet 3.1 non-blocking IO support that broke handling of requests with an explicit content length of zero. (markt/kkolinko)
Fix CVE-2014-0099: Fix possible overflow when parsing long values from a byte array. (markt)

Jasper

Change the default compiler source and compiler target versions to 1.7 since Tomcat 8 requires a minimum of Java 7. (markt)
56179: Fix parsing of EL expressions that contain unnecessary parentheses. (markt)
56177: Handle dependency tracking for TLDs when using JspC with a tag library JAR that is located outside of the web application. (markt)
Remove an unnecessary null check identified by FindBugs. (markt)
56199: Restore validateXml option for JspC which determines if web.xml will be parsed with a validating parser. (markt)
56223: Throw an IllegalStateException if a call is made to ServletContext.setInitParameter() after the ServletContext has been initialized. (markt)
56265: Do not escape values of dynamic tag attributes containing EL expressions. (kkolinko)
Make the default compiler source and target versions for JSPs Java 7 since Tomcat 8 requires Java 7 as a minimum. (markt)
56283: Update to the Eclipse JDT Compiler P20140317-1600 which adds support for Java 8 syntax to JSPs. Add support for value "1.8" for the compilerSourceVM and compilerTargetVM options. (markt)

WebSocket

Avoid a possible deadlock when one thread is shutting down a connection while another thread is trying to write to it. (markt)
Avoid NPE when flushing batched messages. (markt)

Web Applications

56093: Add the SSL Valve to the documentation web application. (markt)
56217: Improve readability by using left alignment for the table cell containing the request information on the Manager application status page. (markt)
Fixed java.lang.NegativeArraySizeException when using "Expire sessions" command in the manager web application on a context where the session timeout is disabled. (kfujino)
Add support for LAST_ACCESS_AT_START system property to Manager web application. (kfujino)

Other

56115: Expose the httpusecaches property of Ant's get task as some users may need to change the default. Based on a suggestion by Anthony. (markt)
56143: Improve service.bat so that it can be launched from a non-UAC console. This includes using a single call to tomcat8.exe to install the Windows service rather than three calls, and using command line arguments instead of environment variables to pass the settings. (markt/kkolinko)
Simplify Windows *.bat files: remove %OS% checks, as current java does not run on ancient non-NT operating systems. (kkolinko)
Align options between service.bat and exe Windows installer. For service.bat the changes are in --Classpath, --DisplayName, --StartPath, --StopPath. For exe installer the changes are in --JvmMs, --JvmMx options, which are now 128 Mb and 256 Mb respectively instead of being empty. Explicitly specify --LogPath path when uninstalling Windows service, avoiding default value for that option. (kkolinko)
56137: Explicitly use NIO connector in SSL example in server.xml so it doesn't break if APR is enabled. (markt)
56139: Avoid a web application class loader leak in some unit tests when running on Windows. (markt)
Correct build script to avoid building JARs with empty packages. (markt)
Allow to limit JUnit test run to a number of selected test case methods. (kkolinko)
Update Commons Pool 2 to 2.2. (markt)
Update Commons DBCP 2 to the 2.0 release. (markt)
56189: Remove used file cpappend.bat from the distribution. (markt)
56204: Remove unnecessary dependency between tasks in the build script. (markt)
Add definition of org.apache.catalina.ant.FindLeaksTask. (kfujino)
Implement org.apache.catalina.ant.VminfoTask, org.apache.catalina.ant.ThreaddumpTask and org.apache.catalina.ant.SslConnectorCiphersTask. (kfujino)
Add the option to the Apache Ant tasks to ignore the constraint of the first line of the response message that must be "OK -" (ignoreResponseConstraint in AbstractCatalinaTask). Default is false. (kfujino)

Other

Fix build of Apache Commons DBCP2 classes. (kkolinko)
Update Commons DBCP 2 to snapshot 170 dated 07 Feb 2014. This enables DBCP to work with a SecurityManager such that only DBCP needs to be granted the necessary permissions to communicate with the database. (markt)

Catalina

56082: Fix a concurrency bug in JULI's LogManager implementation. (markt)
56085: ServletContext.getRealPath(String) should return null for invalid input rather than throwing an IllegalArgumentException. (markt)
Fix WebDAV support that was broken by the refactoring for the new resources implementation. (markt)
Simplify Catalina.initDirs(). (kkolinko)
56096: When the attribute rmiBindAddress of the JMX Remote Lifecycle Listener is specified it's value will be used when constructing the address of a JMX API connector server. Patch is provided by Jim Talbut. (violetagg)
When environment entry with one and the same name is defined in the web deployment descriptor and with annotation then the one specified in the web deployment descriptor is with priority. (violetagg)
Fix passing the value of false for xmlBlockExternal option of Context to Jasper, as the default was changed in 8.0.1. (kkolinko)

Coyote

Enable non-blocking reads to take place on non-container threads. (markt)

Cluster

Simplify the code of o.a.c.ha.tcp.SimpleTcpCluster.createManager(String). Remove unnecessary class cast. (kfujino)

Web applications

In Manager web application improve handling of file upload errors. Display a message instead of error 500 page. Simplify. (kkolinko)

Other

56104: Correct the version number on the welcome page of the Windows installer. (markt)
Update Commons DBCP 2 to snapshot 168 dated 05 Feb 2014. (markt)
Fix CVE-2014-0050, a denial of service with a malicious, malformed Content-Type header and multipart request processing. Fixed by merging latest code (r1565159) from Commons FileUpload. (markt)

Catalina

Change default value of xmlBlockExternal attribute of Context. It is true now. (kkolinko)

Coyote

Correct regression in the fix for 55996 that meant that asynchronous requests might timeout too early. (markt)

Jasper

Change default value of the blockExternal attribute of JspC task. The default value is true. Add support for -no-blockExternal switch when JspC is run as a standalone application. (kkolinko)

WebSocket

Do not return an empty string for the Sec-WebSocket-Protocol HTTP header when no sub-protocol has been requested or no sub-protocol could be agreed as RFC6455 requires that no Sec-WebSocket-Protocol header is returned in this case. (markt)

Catalina

Implement JSR 340 - Servlet 3.1. The JSR 340 implementation includes contributions from Nick Williams and Jeremy Boynes. (markt)
Implement JSR 245 MR2 - JSP 2.3. (markt)
Implement JSR 341 - Unified Expression Language 3.0. (markt)
Implement JSR 356 - WebSockets. The JSR 356 implementation includes contributions from Nick Williams, Rossen Stoyanchev and Niki Dokovski. (markt)
46727: Refactor default servlet to make it easier to sub-class to implement finer grained control of the file encoding. Based on a patch by Fred Toth. (markt)
45995: Align Tomcat with Apache httpd and perform MIME type mapping based on file extension in a case insensitive manner. (markt)
Remove duplicate code that converted a Host's appBase attribute to a canonical file. (markt)
51408: Replace calls to Charset.defaultCharset() with an explicit reference to the ISO-8859-1 Charset. (markt)
Refactor initialization code to use a single, consistent approach to determining the Catalina home (binary) and base (instance) directories. The search order for home is catalina.home system property, parent of current directory if boootstrap.jar is present and finally current working directory. The search order for Catalina base is catalina.base system property falling back to the value for Catalina home. (markt)
52092: JULI now uses the OneLineFormatter and AsyncFileHandler by default. (markt)
52558: Refactor CometConnectionManagerValve so that it does not prevent the session from being serialized in when running in a cluster. (markt)
52767: Remove reference to MySQL specific autoReconnect property in JDBCAccessLogValve. (markt)
Make the Mapper type-safe. Hosts, Contexts and Wrappers are no longer handled as plain objects, instead they keep their type. Code using the Mapper doesn't need to cast objects returned by the mapper. (rjung)
Move Manager, Loader and Resources from Container to Context since Context is the only place they are used. The documentation already states (and has done for some time) that Context is the only valid location for these nested components. (markt)
Move the Mapper from the Connector to the Service since the Mapper is identical for all Connectors of a given Service and it is common for there to be multiple Connectors for a Service (http, https and ajp). This means there is now only ever one Mapper per Service rather than possibly multiple identically configured Mapper objects. (markt)
Remove the per Context Mapper objects and use the Mapper from the Service. This removes the need to maintain two copies of the mappings for Servlets and Filters. (markt)
Implement a new Resources implementation that merges Aliases, VirtualLoader, VirtualDirContext, JAR resources and external repositories into a single framework rather than a separate one for each feature. (markt)
URL rewrite valve, similar in functionality to mod_rewrite. (remm)
Port storeconfig functionality, which can persist to server.xml and context.xml runtime container configuration changes. (remm)
54095: Add support to the Default Servlet for serving gzipped versions of static resources directly from disk as an alternative to Tomcat compressing them on each request. Patch by Philippe Marschall. (markt)
54708: Change the name of the working directory for the ROOT application (located under $CATALINA_BASE/work by default) from _ to ROOT. (markt)
Change default configuration so that a change to the global web.xml file will trigger a reload of all web applications. (markt)
55101: Make BASIC authentication more tolerant of whitespace. Patch provided by Brian Burch. (markt)
55166: Move JSP descriptor and tag library descriptor schemas to servlet-api.jar to enable relative references between the schemas to be correctly resolved. (markt)
Refactor the descriptor parsing code into a separate module that can be used by both Catalina and Jasper. Includes patches provided by Jeremy Boynes. (violetagg/markt)
55246: Move TLD scanning to a ServletContainerInitializer provided by Jasper. Includes removal of TldConfig lifecycle listener and associated Context properties. (jboynes)
55317: Facilitate weaving by allowing ClassFileTransformer to be added to WebppClassLoader. Patch by Nick Williams. (markt)
55620: Enable Tomcat to start when either $CATALINA_HOME and/or $CATALINA_BASE contains a comma character. Prevent Tomcat from starting when $CATALINA_HOME and/or $CATALINA_BASE contains a semi-colon on Windows. Prevent Tomcat from starting when $CATALINA_HOME and/or $CATALINA_BASE contains a colon on Linux/FreeBSD/etc. (markt)
Initialize the JSP runtime in Jasper's initializer to avoid need for a Jasper-specific lifecycle listener. JasperListener has been removed. (jboynes)
Change ordering of elements of JMX objects names so components are grouped more logically in JConsole. Generally, components are now grouped by Host and then by Context. (markt)
Context listener to allow better EE and framework integration. (remm)

Coyote

Experimental support for SPDY. Includes contributions from Sheldon Shao. (costin)
The default connector is now the Java NIO connector even when specifying HTTP/1.1 as protocol (fhanik)
Update default value of pollerThreadCount for the NIO connector. The new default value will never go above 2 regardless of available processors. (fhanik)
54010: Remove some unnecessary code (duplicate calls to configure the scheme as https for AJP requests originally received over HTTPS). (markt)
Refactor char encoding/decoding using NIO APIs. (remm)
Change the default URIEncoding for all connectors from ISO-8859-1 to UTF-8. (markt)

Jasper

Simplify API of ErrorDispatcher class by using varargs. (kkolinko)
Update Jasper to use the new common web.xml parsing code. Includes patches by Jeremy Boynes. (markt/violetagg)
Create test cases for JspC. Patch by Jeremy Boynes. (markt)
55246: TLD scanning is now performed by JasperInitializer (a ServletContainerInitializer) removing the need for support within the Servlet container itself. The scan is now performed only once rather than in two passes reducing startup time. (jboynes)
55251: Do not allow JspC task to fail silently if the web.xml or web.xml fragment can not be generated. (markt)

Cluster

Remove unused JvmRouteSessionIDBinderListener and SessionIDMessage. (kfujino)
Modify method signature in ReplicationValve. Cluster instance is not necessary to argument of method. (kfujino)
Remove unused expireSessionsOnShutdown attribute in org.apache.catalina.ha.session.BackupManager. (kfujino)

Web applications

Extend the diagnostic information provided by the Manager web application to include details of the configured SSL ciphers suites for each connector. (markt)
48550: Update examples web application to use UTF-8. (markt)
55383: Improve the design and correct the HTML markup of the documentation web application. Patches provided by Konstantin Preißer. (markt)

Tribes

Refactor AbstractReplicatedMap to use generics. A key side-effect of this is that the class now implements Map<K,V> rather than extends ConcurrentMap. (markt)

Other

Remove unused, deprecated code. (markt)
Remove static info String and associated getInfo() method where present. (markt)
(r1353242, r1353410): Remove Ant tasks jasper2 and jkstatus. The correct names are jasper and jkupdate. (kkolinko)
53529: Clean-up the handling of InterruptedException throughout the code base. (markt)
54899: Provide an initial implementation of NetBeans support. Patch provided by Brian Burch. (markt)
55166: Move the JSP descriptor and tag library descriptor schema definition files from jsp-api.jar to servlet-api.jar so relative includes between the J2EE, Servlet and JSP schemas are correctly resolved. (markt)
55372: When starting Tomcat with the jpda option to enable remote debugging, by default only listen on localhost for connections from a debugger. Prior to this change, Tomcat listened on all known addresses. (markt)

Changelog

Tomcat 8.0.21 (markt)

Catalina

Coyote

Jasper

Cluster

WebSocket

Web applications

Extras

Tribes

Other

2015-02-20 Tomcat 8.0.20 (markt)

Coyote

not released Tomcat 8.0.19 (markt)

Catalina

Coyote

Jasper

WebSocket

Web applications

Tribes

Other

2015-01-26 Tomcat 8.0.18 (markt)

Catalina

Jasper

Cluster

Tribes

2015-01-16 Tomcat 8.0.17 (markt)

Catalina

Coyote

not released Tomcat 8.0.16 (markt)

Catalina

Coyote

Jasper

Cluster

WebSocket

Web applications

Other

2014-11-07 Tomcat 8.0.15 (markt)

Catalina

Coyote

Jasper

Cluster

WebSocket

Web applications

Tribes

jdbc-pool

Other

2014-09-29 Tomcat 8.0.14 (markt)

Other

not released Tomcat 8.0.13 (markt)

Catalina

Coyote

Jasper

WebSocket

Web applications

Other

2014-09-03 Tomcat 8.0.12 (markt)

Catalina

Coyote

Jasper

WebSocket

Other

2014-08-22 Tomcat 8.0.11 (markt)

Catalina

Coyote

Jasper

WebSocket

Web applications

jdbc-pool

Other

not released Tomcat 8.0.10 (markt)

Catalina

Coyote

Jasper

WebSocket

Web applications

Other

2014-06-24 Tomcat 8.0.9 (markt)

Catalina

Coyote