| # Apache Tomcat 6.0 |

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# Apache Tomcat 6.0 ## Changelog | print-friendly version
Tomcat 6.0.13 (remm)
> Catalina
> > | More accurate available() method. (remm)
> > | Add recycle check in the event object, since it is a facade like the others. (remm)
> > | When processing a read event, enforce that the servlet consumes all available bytes. (remm)
> > | Add a flag in ContainerBase which could be used in embedded scenarios to avoid a double start of contexts (this problem generally occurs when adding contexts to a started host). (remm)
> > | 42309: Ability to create a connector using a custom protocol specification for embedded. (fhanik)
> > | Add SSL engine flag to AprLifecycleListener. (fhanik)
> > | Improve event processing, so that an END event is generated when encountering EOF, and an ERROR is always generated on client disconnects. (remm)
> > | Add declarations for the new XSD files. (remm)
> Coyote
> > | Add heartbeatBackgroundEnabled flag to SimpleTcpCluster. Enable this flag don't forget to disable the channel heartbeat thread (pero)
> > | Possible memory leak when using comet, caused by adding the socket to the poller before cleaning up the connection tracking structure. (remm)
> > | 42308: nextRequest recycles the request, which caused issues with statistics. (remm)
> > | Fix non recycled comet flag in the APR connector. (remm)
> Cluster
> > | Add heartbeatBackgroundEnabled flag to SimpleTcpCluster. Enable this flag don't forget to disable the channel heartbeat thread (pero)
> > | Method name cleanup. (fhanik)
> Webapps
> > | Some examples webapp fixes. Submitted by Frank McCown. (remm)
Tomcat 6.0.12 (remm)
> General
> > | License source headers. Submitted by Niall Pemberton. (remm)
> Catalina
> > | 42039 Log a stack trace if a servlet throws an UnavailableException. Patch provided by Kawasima Kazuh. (markt)
> > | 41990 Add some additional mime-type mappings. (markt)
> > | 41655 Fix message translations. Japanese translations provided by Suzuki Yuichiro. (markt)
> > | Add enabled attribute to AccessLogValve (pero)
> > | 42085: Avoid adding handlers for the root logger twice when they are explicitly specified. (remm)
> > | Reduce thread local manipulation in the request dispatcher. Submitted by Arvind Srinivasan. (remm)
> > | Avoid keeping references to loggers tied to the webapp classloaders after a reload in a couple more places. (remm)
> > | 42202: Fix container parsing of TLDs in webapps when Tomcat is installed in a URL encodable path. (remm)
> Coyote
> > | 42119 Fix return value for request.getCharacterEncoding() when Content-Type headers contain parameters other than charset. Patch by Leigh L Klotz Jr. (markt)
> > | Move away from using a thread local processor for the APR and java.io connectors, as this does not work well when using an executor. (remm)
> > | Remove Comet timeout hack in the APR connector. Comet connections will now use the regular timeout or the keepalive timeout if specified. (remm)
> Webapps
> > | 42025: Update valve documentation to refer to correct regular expression implementation. (markt)
> > | Fix various paths in the manager webapps (remm)
> > | Session viewer and editor for the HTML manager. Submitted by Cédrik Lime. (remm)
> > | Session handling tools for the manager. Submitted by Rainer Jung. (remm)
> Jasper
> > | 41869 TagData.getAttribute() should return TagData.REQUEST_TIME_VALUE when the attribute value is an EL expression. (markt)
> > | 42071 Fix IllegalStateException on multiple requests to an unavailable JSP. Patch provided by Kawasima Kazuh. (markt)
> > | After a JSP throws an UnavailableException allow it to be accessed once the unavailable period has expired. (markt)
> Cluster
> > | Add toString method to better logging session replication message at tribes MESSAGES (pero)
Tomcat 6.0.11 (remm)
> General
> > | Update DBCP to 1.2.2, pool to 1.3, JDT to 3.2.2 and remove collections build dependency (pero, remm)
> Catalina
> > | Don't log pattern subtoken at ExtendedAccesLogValve (pero)
> > | Add some missing JMX attributes for new AccessLogValve (pero)
> > | 41786 Incorrect reference to catalina_home in catalina.sh/bat Patch provided by Mike Hanafey (fhanik)
> > | 41703 SingleSignOnMessage invalid setter, patch provided by Nils Hammar (fhanik)
> > | 41682 ClassCastException when logging is turned on (fhanik)
> > | 41530 Don't log error messages when connector is stopped (fhanik)
> > | 41166 Invalid handling when using replicated context (fhanik)
> > | Added SENDFILE support for the NIO connector. (fhanik)
> > | Added support for shared thread pools by adding in the <Executor> element as a nested element to the <Service> element. (fhanik)
> > | 41666 Correct handling of boundary conditions for If-Unmodified-Since and If-Modified-Since headers. Patch provided by Suzuki Yuichiro. (markt)
> > | 41739 Correct handling of servlets with a load-on-startup value of zero. These are now the first servlets to be started. (markt)
> > | 41747 Correct example ant script for deploy task. (markt)
> > | 41752 Correct error message on exception in MemoryRealm. (markt)
> > | 39883 Add documentation warning about using antiResourceLocking on a webapp outside the Host's appBase. (yoavs)
> > | 40150 Ensure user and roll classnames are validated on startup. Patch by Tom. (yoavs)
> > | Refactor extend access log valve using the optimized access log valve. Submitted by Takayuki Kaneko. (remm)
> > | Possible deadlock in classloading when defining packages. (remm)
> > | Remove excessive syncing from listener support. (remm)
> > | Web services support. The actual factory implementations are implemented in the extras. Submitted by Fabien Carrion. (remm)
> > | Add logging to display APR capabilities on the platform. (remm)
> > | Expose executors in JMX. (remm)
> > | CRLF inside a URL pattern is always invalid. (remm)
> > | Tweak startup time display. (remm)
> > | Adjustments to handling exceptions with Comet. (remm)
> > | If the event is closed asynchronously, generate an end event for cleanup on the next event. (remm)
> > | Cleanup hello webapp from the docs and fix a XSS issue in the JSP. (remm)
> > | Examples webapp cleanup. Submitted by Takayuki Kaneko and Markus Schönhaber. (remm)
> > | 41289: Create configBase, since it is no longer created elsewhere. Submitted by Shiva Kumar H R. (remm)
> Coyote
> > | Fixed NIO memory leak caused by the NioChannel cache not working properly.
> > | Added flag to enable/disable the usage of the pollers selector instead of a Selector pool when the serviet is reading/writing from the input/output streams The flag is `-Dorg.apache.tomcat.util.net.NioSelectorShared=true`
> > | Requests with multiple content-length headers are now rejected. (markt)
> > | 41675 Add a couple of DEBUG-level logging statements to Http11Processors when sending error responses. Patch by Ralf Hauser. (yoavs)
> > | Reuse digester used by the modeler. (remm)
> > | When the platform does not support deferred accept, put accepted sockets in the poller. (remm)
> > | Fix problem with blocking reads for keepalive when using an executor (the number of busy threads is always 0). (remm)
> > | The poller now has good performance, so remove firstReadTimeout. (remm)
> > | 42119 Fix return value for request.getCharacterEncoding() when Content-Type headers contain parameters other than charset. Patch by Leigh L Klotz Jr. (markt)
> Webapps
> > | Fix previous update to servlet 2.5 xsd to use correct declaration. (markt)
> > | Update host configuration document for new behaviour for directories in appBase. (markt)
> > | 39540 Add link to httpd 2.2 mod_proxy_ajp docs in AJP connector doc. (yoavs)
> Jasper
> > | 41227 Add a bit of DEBUG-level logging to JspC so users know which file is being compiled. (yoavs)
> > | Remove some dead utility code, and refactor stream capture as part of the Ant compiler. (remm)
> > | Support the trim directive of JSP 2.1 as an equivalent of Jasper's own parameter. (remm)
> > | 41790: Close file stream used to read the Java source. (remm)
> > | Fix reporting of errors which do not correspond to a portion of the JSP source. (remm)
> > | Remove try/catch usage for annotation processing in classic tags. The usage of the log method might have been questionable as well. (remm)
> > | Cleanup of the message that is displayed for compilation errors. (remm)
> > | Skip BOM when reading a JSP file. (remm)
Tomcat 6.0.10 (remm)
> Catalina
> > | Unify usage of security manager flag, submitted by Arvind Srinivasan. (remm)
> > | Fix formatting of CGI variable SCRIPT_NAME. (markt)
> > | 41521: Support * for servlet-name, submitted by Paul McMahan. (remm)
> > | Cache getServletContext value, submitted by Arvind Srinivasan. (remm)
> > | Add options for handling special URL characters in paths, and disallow '\' and encoded '/' due to possible differences in behavior between Tomcat and a front end webserver. (remm)
> > | Fix bad comparison for FORM processing, submitted by Anil Saldhana. (remm)
> > | 41608 Make log levels consistent when Servlet.service() throws an exception. (markt)
> Coyote
> > | Reduce usage of MessageBytes.getLength(), submitted by Arvind Srinivasan. (remm)
> Jasper
> > | 41558: Don't call synced method on every request, submitted by Arvind Srinivasan. (remm)
> > | Switch to a thread local page context pool. (remm)
Tomcat 6.0.9 (remm)
> General
> > | Use 2.5 xsd in Tomcat webapps. (markt)
> > | Compression filter improvements, submitted by Eric Hedström. (markt)
> Catalina
> > | Properly return connector names. (remm)
> > | Remove logging of the XML validation flag. (remm)
> > | Correct error messages for context.xml. (markt)
> > | 41217: Set secure flag correctly on SSO cookie, submitted by Chris Halstead. (markt)
> > | 40524: request.getAuthType() now returns CLIENT_CERT rather than CLIENT-CERT. (markt)
> > | 40526: Return support for JPDA_OPTS to catalina.bat and add a new option JPDA_SUSPEND, submitted by by Kurt Roy. (markt)
> > | 41265: In embedded, remove the code that resets checkInterval values of zero to 300. (markt)
> Coyote
> > | 37869: Fix getting client certificate, submitted by Christophe Pierret. (remm)
> > | 40960: Throw a timeout exception when getting a timeout rather than a generic IOE, submitted by Christophe Pierret. (remm)
> Jasper
> > | EL validation fixes for attributes. (remm)
> > | 41327: Show full URI for a 404. (markt)
> > | JspException now uses getCause() as the result for getRootCause(). (markt)
> Cluster
> > | 41466: When using the NioChannel and SecureNioChannel its important to use the channels buffers. (fhanik)
Tomcat 6.0.8 (remm)
> Catalina
> > | Make provided instances of RequestDispatcher thread safe. (markt)
> > | Optional development oriented loader implementation. (funkman)
> > | Optimized access log valve, submitted by Takayuki Kaneko. (remm)
> > | Fix error messages when parsing context.xml that incorrectly referred to web.xml. (markt)
> > | 41217: Set secure attribute on SSO cookie when cookie is created during a secure request. Patch provided by Chris Halstead. (markt)
> > | 40524: HttpServletRequest.getAuthType() now returns CLIENT_CERT rather than CLIENT-CERT for certificate authentication as per the spec. Note that web.xml continues to use CLIENT-CERT to specify the certificate authentication should be used. (markt)
> > | 41401: Add support for JPDA_OPTS to catalina.bat and add a JPDA_SUSPEND environment variable to both startup scripts. Patch provided by Kurt Roy. (markt)
> Coyote
> > | Use the tomcat-native-1.1.10 as recommended version. OpenSSL detection on some platforms was broken 1.1.8 will continue to work, although on some platforms there can be JVM crash if IPV6 is enabled and platform doesn't support IPV4 mapped addresses on IPV6 sockets.
> Jasper
> > | When displaying JSP source after an exception, handle included files. (markt)
> > | Display the JSP source when a compilation error occurs and display the correct line number rather than start of a scriptlet block. (markt)
> > | Fix NPE when processing dynamic attributes. (remm)
> > | More accurate EL usage validation. (remm)
> > | Fix regression for implicit taglib and page data version numbers. (remm)
> > | 41265: Allow JspServlet checkInterval init parameter to be explicitly set to the stated default value of zero by removing the code that resets it to 300 if explicitly specified as zero. (markt)
> > | 41327: Show full URI for a 404. Patch provided by Vijay. (markt)
> Webapps
> > | Add a virtual hosting how-to contributed by Hassan Schroeder. (markt)
> > | Update all webapps to use the servlet 2.5 xsd. (markt)
> > | 39572: Improvements to CompressionFilter example provided by Eric Hedström. (markt)
Tomcat 6.0.7 (remm)
> General
> > | Fix installer's bitmap (mturk)
> Catalina
> > | Refactor logging of errors which may occur when reading a post body (remm)
> Coyote
> > | 37869: Also use the SSL_INFO_CLIENT_CERT field if the chain is empty, submitted by Grzegorz Grzybek (remm)
Tomcat 6.0.6 (remm)
> General
> > | Fix tagging which did not include 6.0.5's changelog (remm)
Tomcat 6.0.5 (remm)
> Catalina
> > | 40585: Fix parameterised constructor for o.a.juli.FileHandler so parameters have an effect. (markt)
> > | Escape invalid characters from request.getLocale. (markt, remm)
> > | Update required version for native to 1.1.8. (remm)
> > | Do not log broken pipe errors which can occur when flushing the content of an error page. (remm)
> Coyote
> > | Fix firstReadTimeout behavior for the AJP connector. (remm)
> Jasper
> > | 41057: Make jsp:plugin output XHTML compliant. (markt)
> Cluster
> > | Cluster interface cleanup. (fhanik)
> > | Refactoring to allow usage of executors. (fhanik)
Tomcat 6.0.4 (remm)
> General
> > | Update to NSIS 2.22 (remm)
> > | Fix regression in 6.0.3 with Windows wrapper (mturk)
Tomcat 6.0.3 (remm)
> General
> Catalina
> > | 37509: Do not remove whitespace from the end of values defined in logging.properties files. (markt)
> > | 38198: Add reference to Context documentation from Host documentation that explains how Context name is obtained from the Context filename. (markt)
> > | 40844 Missing syncs in JDBCRealm. (markt)
> > | 40901: Encode directory listing output. Based on a patch provided by Chris Halstead. (markt)
> > | 40929: Correct JavaDoc for StandardClassLoader. (markt)
> > | 41008: Allow POST to be used for indexed queries with CGI Servlet. Patch provided by Chris Halstead. (markt)
> > | Fix usage of print on the servlet output stream if the processor never used a writer (fhanik)
> > | Fix logic of sameSameObjects used to determine correct wrapping of request and response objects (fhanik)
> > | Update TLD scan lists, and disable caching for now (remm)
> > | Add system property to WebappClassLoader to allow disabling setting references to null when stopping it (remm)
> > | Add clustered SSO code, submitted by Fabien Carrion (remm)
> Coyote
> > | 40860: Log exceptions and other problems during parameter processing. (markt)
> > | Enable JMX for trust store attributes for SSL connector. (markt)
> > | Port memory usage reduction changes to the java.io HTTP connector. (remm)
> > | MessageBytes.setString(null) will remove the String value. (remm)
> > | 41057: Caching large strings is not useful and takes too much memory, so don't cache these (remm)
> > | Add keepAliveTimeout attribute to most connectors (mturk, remm)
> Jasper
> > | Relax EL type validation for litterals. (remm)
> > | Update some version numbers to 2.1. (funkman, remm)
> > | Add xsds for JSP 2.1 (remm)
> > | 41106: Update validation checks for EL to also include legacy 1.2 tags (remm)
> Webapps
> > | 40677: Update SSL documentation to indicate that PKCS11 keystores may be used. (markt)
Tomcat 6.0.2 (remm)
> General
> > | Various tweaks to distribution (remm, funkman)
> > | Update Tomcat native to 1.1.7 (mturk)
> > | Update to JDT 3.2.1 (remm)
> Catalina
> > | Fix EJB annotation interface (remm)
> Coyote
> > | Fix passing of the keystore password for the NIO connector (fhanik)
Tomcat 6.0.1 (remm)
> General
> > | 37439, 40823: Documentation cleanup (markt)
> Catalina
> > | Refactor exception processing using Throwable.getCause to improve exception chaining (remm)
> > | Remove dead code involving the Logger (funkman)
> > | 37458: Fix some exceptions which could happen during classloading (markt)
> > | 40817: Fix CGI path (markt)
> > | 34956: Add the possibility to enforce usage of request and response wrapper objects (markt)
> Jasper
> > | Many fixes for JSP 2.1 compliance, invloving tag files handling, deferred expressions validation, bom encoding support (remm)
> Coyote
> > | Many HTTP NIO connector fixes and refactorings (fhanik)
> > | HTTP NIO connector performance improvements (fhanik)
> > | Add packetSize option for the classic AJP connector (jfclere)
> > | Implement explicit flushing in AJP (mturk)
Tomcat 6.0.0 (remm)
> Catalina
> > | SSLEngine attribute added to the AprLifecycleListener(fhanik)
> > | Add API for Comet IO handling (remm, fhanik)
> > | Servlet 2.5 support (remm)
> Jasper
> > | JSP 2.1 support (jhook, remm)
> > | Unifed EL 2.1 support (jhook)
> Coyote
> > | SSLEnabled attribute required for SSL to be turned on, on all HTTP connectors (fhanik)
> > | Memory usage reduction for the HTTP connectors, except java.io (remm)
> > | Modeler update to use dynamic mbeans rather than model mbeans, which consume more resources (costin)
> Cluster
> > | New cluster configuration and new documentation (fhanik)
> Webapps
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