Apache Tomcat 10 (10.0.0-M9)

Catalina

The health check valve will now check the state of its associated containers to report availability. (remm)
Fix race condition when saving and recycling session in PersistentValve. (kfujino)
Remove the JDBCRealm. (markt)
Correct numerous spellings throughout the code base. Based on a pull request from John Bampton. (markt)
64715: Add PasswordValidationCallback to the Jakarta Authentication implementation. Patch provided by Robert Rodewald. (markt)
Allow using the utility executor for annotation scanning. Patch provided by Jatin Kamnani. (remm)
64751: Correct the JPMS module descriptor so the embedded JARs may be used with JPMS. (markt)
When performing an incremental build, ensure bdn does not create unwanted JPMS dependencies between embedded JARs. (markt)
Add a bloom filter to speed up archive lookup and improve deployment speed of applications with a large number of JARs. Patch provided by Jatin Kamnani. (remm)
Throw SQLException instead of NullPointerException when failing to connect to the database. (kfujino)
64735: Ensure that none of the methods on a ServletContext instance always fail when running under a SecurityManager. Pull request provided by Kyle Stiemann. (markt)
64765: Ensure that the number of currently processing threads is tracked correctly when a web application is undeployed, long running requests are being processed and renewThreadsWhenStoppingContext is enabled for the web application. (markt)
Improve the error messages when running under JPMS without the necessary options to enable reflection required by the memory leak prevention / detection code. (markt)
When estimating the size of a resource in the static resource cache, include a specific allowance for the path to the resource. Based on a pull request by blueSky1825821. (markt)

Coyote

Do not send an HTTP/2 PING frame to measure round-trip time when it is known that the HTTP/2 connection is not in a good state. (markt)
Ensure HTTP/2 timeouts are processed for idle connections. (markt)
64743: Correct a regression introduced in 10.0.0-M7 that caused a Connection: close header to be added to the response if the Connector was configured with maxSwallowSize=-1. (markt)
When logging HTTP/2 debug messages, use consistent formatting for stream identifiers. (markt)
Correct some double counting in the code that tracks the number of in-flight asynchronous requests. The tracking enables Tomcat to shutdown gracefully when asynchronous processing is in use. (markt)
Improve the error handling for the HTTP/2 connection preface when the Connector is configured with useAsyncIO="true". (markt)
Refactor the handling of closed HTTP/2 streams to reduce the heap usage associated with used streams and to retain information for more streams in the priority tree. (markt)
Don't send the Keep-Alive response header if the connection has been explicitly closed. (markt)
64710: Avoid a BufferOverflowException if an HTTP/2 connection is closed while the parser still has a partial HTTP/2 frame in the input buffer. (markt)

Jasper

Use lazy instantiation to improve the performance when working with listeners added to the ELContext. Pull request provided by Thomas Andraschko. (markt)

Web applications

Configure the Manager and Host Manager web applications to set SameSite=strict for all cookies, including session cookies, created by the application. (markt)
Update the Manager How-To in the documentation web application to clarify when a user may wish to deploy additional instances of the Manager web application. (markt)
64774: Review references to Tomcat 9 in the documentation web application and remove them or update them to refer to Tomcat 10 as appropriate. (markt)

Other

Update to Commons Daemon 1.2.3. This adds support to jsvc for --enable-preview and native memory tracking (Procrun already supported these features), adds some additional debug logging and adds a new feature to Procrun that outputs the command to (re-)configure the service with the current settings. (markt)
When building, only rebuild JAR files (including OSGi and JPMS metadata) if the contents has changed. (markt)
Improvements to Chinese translations. Pull request provided by Yang Yang. (markt)
Expand coverage of Russian translations. Pull request provided by Nikolay Gribanov. (markt)
Update the OWB module to Apache OpenWebBeans 2.0.18. (remm)
Update the CXF module to Apache CXF 3.4.0. (remm)
Fix running service.bat when called from $CATALINA_HOME. (markt)
Complete the fix for 63815. Users wishing to use system properties that require quoting with catalina.sh and the debug option must use a JRE that includes the fix for JDK-8234808. (markt)
Improvements to Chinese translations. Provided by leeyazhou. (markt)
Improvements to Czech translations. Provided by Dušan Hlaváč and Arnošt Havelka. (markt)
Improvements to French translations. (remm)
Improvements to Korean translations. (woonsan)
Improvements to Spanish translations. Provided by Andrewlanecarr. (markt)

Catalina

64582: Pre-load the CoyoteOutputStream class to prevent a potential exception when running under a security manager. Patch provided by Johnathan Gilday. (markt)
64593: If a request is not matched to a Context, delay issuing the 404 response to give the rewrite valve, if configured, an opportunity to rewrite the request. (remm/markt)
Change top package name for generated embedded classes to avoid conflict with default host name on case insensitive filesystems. (remm)
Add missing code generation for remaining digester rules. (remm)
Add a dedicated loader for generated code to avoid dynamic class loading. (remm)
Refactor the Default servlet to provide a single method that can be overridden (generateETag()) should a custom entity tag format be required. (markt)
Improve the validation of entity tags provided with conditional requests. Requests with headers that contain invalid entity tags will be rejected with a 400 response code. Improve the matching algorithm used to compare entity tags in conditional requests with the entity tag for the requested resource. Based on a pull request by Sergey Ponomarev. (markt)
Correct the description of the storage format for salted hashes in the Javadoc for MessageDigestCredentialHandler and refactor the associated code for clarity. Based on a patch provided by Milo van der Zee. (markt)
Correct the path validation to allow the use of the file system root for the docBase attribute of a Context. Note that such a configuration should be used with caution. (markt)
Added filtering expression for requests that are not supposed to use session in PersistentValve. (kfujino)
Use the correct method to calculate session idle time in PersistentValve. (kfujino)
Fix path used by the health check valve when it is not associated with a Context. (remm)
64712: The JASPIC authenticator now checks the ServerAuthModule for jakarta.servlet.http.authType and, if present, uses the value provided. Based on a patch by Robert Rodewald. (markt)
64713: The JASPIC authenticator now checks the value of jakarta.servlet.http.registerSession set by the ServerAuthModule when deciding whether or nor to register the session. Based on a patch by Robert Rodewald. (markt)

Coyote

57661: For requests containing the Expect: 100-continue header, add optional support to delay sending an intermediate 100 status response until the servlet reads the request body, allowing the servlet the opportunity to respond without asking for the request body. Based on a pull request by malaysf. (markt)
Remove deprecated CookieProcessor.generateHeader method. (remm)
Refactor the implementation of ServletInputStream.available() to provide a more accurate return value, particularly when end of stream has been reached. (markt)
Refactor the stopping of the acceptor to ensure that the acceptor thread stops when a connector is started immediately after it is stopped. (markt)
64614: Improve compatibility with FIPS keystores. When a FIPS keystore is configured and the keystore contains multiple keys, the alias attribute will be ignored and the key used will be implementation dependent. (jfclere)
64621: Improve handling HTTP/2 stream reset frames received from clients. (markt)
64660: Avoid a potential NPE in the AprEndpoint if a socket is closed in one thread at the same time as the poller is processing an event for that socket in another. (markt)
64671: Avoid several potential NPEs introduced in the changes in the previous release to reduce the memory footprint of closed HTTP/2 streams. (markt)
Refactor the HTTP/2 implementation to more consistently return a stream closed error if errors occur after a stream has been reset by the client. (markt)
Improve handling of HTTP/2 stream level flow control errors and notify the stream immediately if it is waiting for an allocation when the flow control error occurs. (markt)
Ensure that window update frames are sent for HTTP/2 connections to account for DATA frames containing padding including when the associated stream has been closed. (markt)
Ensure that window update frames are sent for HTTP/2 connections and streams to account for DATA frames containing zero-length padding. (markt)
64710: Revert the changes to reduce the memory footprint of closed HTTP/2 streams as they triggered multiple regressions in the form of NullPointerExceptions. (markt)
Ensure that the HTTP/2 overhead protection check is performed after each HTTP/2 frame is processed. (markt)

WebSocket

Requests received via proxies may be marked as using the ws or wss protocol rather than http or https. Ensure that such requests are not rejected. PR provided by Ronny Perinke. (markt)
Fix a potential issue where the write lock for a WebSocket connection may not be released if an exception occurs during the write. (markt)
64644: Add support for a read idle timeout and a write idle timeout to the WebSocket session via custom properties in the user properties instance associated with the session. Based on a pull request by sakshamverma. (markt)

Web applications

Remove the localization of the text output of the Manager application list of contexts and the Host Manager application list of hosts so that the output is more consistent. PR provided by Holomark. (markt)
Clean-up / standardize the XSL files used to generate the documentation. PR provided by John Bampton. (markt)
62723: Clarify the effects of some options for cluster channelSendOptions. Patch provided by Mitch Claborn. (schultz)
Remove the out of date functional specification section from the documentation web application. (markt)
Extracted CSS styles from the Manager we application for better code maintenance and replaced the GIF logo with SVG. (isapir)
Add document for PersistentValve. (kfujino)

Other

Correct a regression in the fix for 64540 and include org.apache.tomcat.util.modeler.modules and org.apache.tomcat.util.net.jsse in the list of exported packages. (markt)
Remove the local copy of the javax.transaction.xa package which is only used during compilation. The package is provided by the JRE from Java 1.4 onwards so the local copy should be unnecessary. (markt)
Rename the local copy of the javax.xml.ws package to jakarta.xml.ws. (markt)
Improve the quality of the Japanese translations provided with Apache Tomcat. Includes contributions from Yuki Shira. (markt)
64645: Use a non-zero exit code if the service.bat does not complete normally. (markt)
Update the internal fork of Apache Commons BCEL to 6.5.0. Code clean-up only. (markt)
Update the internal fork of Apache Commons Codec to 53c93d0 (2020-08-18, 1.15-SNAPSHOT). Code clean-up. (markt)
Update the internal fork of Apache Commons FileUpload to c25a4e3 (2020-08-26, 2.0-SNAPSHOT). Code clean-up and RFC 2231 support. (markt)
Update the internal fork of Apache Commons Pool to 2.8.1. Code clean-up and improved abandoned pool handling. (markt)
Update the internal fork of Apache Commons DBCP to 6d232e5 (2020-08-11, 2.8.0-SNAPSHOT). Code clean-up various bug fixes. (markt)
Update the packaged version of the Tomcat Native Library to 1.2.25. (markt)

Catalina

Remove the error message on start if java.io.tmpdir is missing and add an explicit error message on application deployment when the sole feature that depends on it (anti-resource locking) is configured and can't be used. (markt)
Implement a significant portion of the TLS environment variables for the rewrite valve. (remm)
Add the Jakarta EE 9 schema. (markt)
64506: Correct a potential race condition in the resource cache implementation that could lead to NullPointerExceptions during class loading. (markt)
Add application/wasm to the media types recognised by Tomcat. Based on a PR by Thiago Henrique Hüpner. (markt)
Fix a bug in HttpServlet so that a 405 response is returned for an HTTP/2 request if the mapped servlet does implement the requested method rather than the more general 400 response. (markt)
Add generated classes using Tomcat embedded as an optional replacement for the Catalina configuration files. (remm)
64541: Refactor the DTD used to validate mbeans-descriptors.xml files to avoid issues when XML entity expansion is limited or disabled. (markt)

Coyote

Include a Connection: close HTTP header when committing a response and it is known that the maxSwallowSize limit is going to be exceeded. (markt)
64509: Correctly parse RFC 2109 version 1 cookies that use a comma as a separator between cookies when using the RFC 6265 cookie processor. Based on a patch by W J Carpenter. (markt)
Fix the utility code that converted IPv6 addresses to a canonical form to correctly handle input addresses that ended with a pair of colons. Based on a patch by syarramsetty-skyhook. (markt)
Correctly parse RFC 2109 version 1 cookies that have additional linear white space around cookie attribute names and values when using the RFC 6265 cookie processor. (markt)
Once an HTTP/2 stream has been closed, ensure that the code that cleans up references that are no longer required is called. (markt)
Reduce the memory footprint of closed HTTP/2 streams. (markt)
Ensure that the HTTP/1.1 processor is correctly recycled when a direct connection to h2c is made. (markt)

Jasper

Update the JSP document validation to permit 3.0 as a valid version attribute for the <jsp-root> element. (markt)

Cluster

64560: Refactor the replication of a changed session ID for a replicated session so that the list of changes associated with the session is not reset when the session ID changes. (markt)

WebSocket

64563: Add additional validation of payload length for WebSocket messages. (markt)
Correct the calculation of payload length when four or more bytes are required to represent the payload length. (markt)

Web Applications

Update all web applications to use the Jakarta EE 9 schema for web.xml. (markt)

Other

Fix incorrect version format in OSGi manifests. Patch provided by Raymond Augé. (markt)
64513: Remove bndlib from dependencies as it is not required. Pull request provided by Raymond Augé. (markt)
64515: Bnd files don't need to be filtered (save some work). Pull request provided by Raymond Augé. (markt)
Update the OWB module to Apache OpenWebBeans 2.0.17. (remm)
64514: Fixes some missing class dependency issues in bootstrap to address packaging/dependency concerns for JPMS and OSGi. Pull request provided by Raymond Augé. (markt)
64521: Avoid moving i18n translations into classes dir since they are packaged into separate jars. Pull request provided by Raymond Augé. (markt)
64522: Package jars in effective dependency order. Pull request provided by Raymond Augé. (markt)
Store common build details in a shared build-defaults.bnd. Pull request provided by Raymond Augé. (markt)
64532: Update to bnd 5.1.1. Pull request provided by Raymond Augé. (markt)
64540: Switch from bndwrap task to bnd task, begin generating a better manifest and make sure the resulting jar contents are correct. Pull request provided by Raymond Augé. (markt)
64544: Add built libs to the bnd classpath for introspection. Pull request provided by Raymond Augé. (markt)
Improve the quality and expand the coverage of the French translations provided with Apache Tomcat. (remm)
64548: Generate JPMS metadata. (rotty3000)

Catalina

64432: Correct a refactoring regression that broke handling of multi-line configuration in the RewriteValve. Patch provided by Jj. (markt)
Fix use of multiple parameters when defining RewriteMaps. (remm/fschumacher)
Add the special internal rewrite maps for case modification and escaping. (remm/fschumacher)
Correct a regression in an earlier fix that broke the loading of configuration files such as keystores via URIs on Windows. (markt)
Implement a few rewrite SSL env that correspond to Servlet request attributes. (remm)
64442: Be more flexible with respect to the ordering of groups, roles and users in the tomcat-users.xml file. (fschumacher)

Coyote

Add support for ALPN on recent OpenJDK 8 releases. (remm)
64467: Improve performance of closing idle HTTP/2 streams. (markt)
Expose server certificate through the SSLSupport interface. (remm)
64483: Log a warning if an AJP request is rejected because it contains an unexpected request attribute. (markt)
64485: Fix possible resource leak getting last modified from ConfigurationSource.Resource. (remm)

Jasper

Update the Jakarta Server Pages API implementation to align with specification updates to use generics and add missing @Deprecated annotations. (markt)
64488: Ensure that the ImportHandler from the Expression Language API is able to load classes from the Java runtime when running under a SecurityManager. Based on a patch by Volodymyr Siedleck. (markt)

WebSocket

Add default implementations for init() and destroy() to the Encoder and Decoder interfaces. (markt)
Consistently throw a DeploymentException when an invalid endpoint path is specified and catch invalid endpoint paths earlier. (markt)
Include the target URL in the log message when a WebSocket connection fails. (markt)

Other

Update the list of known Charsets in the CharsetCache to include ISO-8859-16, added in OpenJDK 15. (markt)
Improve the quality and expand the coverage of the French translations provided with Apache Tomcat. (remm)
64430: Add support for the CATALINA_OUT_CMD environment variable that defines a command to which captured stdout and stderr will be redirected. Patch provided by Harald Dunkel. (markt)
Switch from the unsupported Maven Ant Tasks to the supported Maven Resolver Ant Tasks to upload artifacts to the ASF Maven repository (and from there to Maven Central). (markt)
Update dependency on bnd to 5.1.0. (markt)

Catalina

Remove useAprConnector flag from AprLifecycleListener so that the only way to use the APR connectors is to set the full class name. (remm)
59203: Before calling Thread.stop() (if configured to do so) on a web application created thread that is not stopped by the web application when the web application is stopped, try interrupting the thread first. Based on a pull request by Govinda Sakhare. (markt)
62912: Don't mutate an application provided content header if it does not contain a charset. Also remove the outdated workaround for the buggy Adobe Reader 9 plug-in for IE. (markt)
Remove the reloadable attribute from the Loader interface as it is duplicated on the Context interface. (markt)
Reduce reflection use and remove AJP specific code in the Connector. (remm/markt/fhanik)
Rework the fix for 64021 to better support web applications that use a custom class loader that loads resources from non-standard locations. (markt)
Remove redundant sole path/URI from error page message on SC_NOT_FOUND. (michaelo)
Log a warning if a CredentialHandler instance is added to an instance of the CombinedRealm (or a sub-class) as the CombinedRealm doesn't use a configured CredentialHandler and it is likely that a configuration error has occurred. (markt)
Add more descriptive error message in DefaultServlet for SC_NOT_FOUND. (michaelo)
64309: Improve the regular expression used to search for class loader repositories when bootstrapping Tomcat. Pull request provided by Paul Muriel Biya-Bi. (markt)
64384: Fix multipart configuration ignoring some parameters in some cases. (schultz)
64386: WebdavServlet does not send "getlastmodified" property for resource collections. (michaelo)
Remove reason phrase on WebDAV Multi-Status (207) response. (michaelo)
64398: Change default value separator for property replacement to :- due to possible conflicts. The syntax is now ${name:-default}. (remm)
Improve validation of storage location when using FileStore. (markt)

Coyote

Move SocketProperties mbean to its own type rather than use a subType to improve robustness with tools. (remm)
Include the problematic data in the error message when reporting that the provided request line contains an invalid component. (markt)
Improve the handling of requests that use an expectation. Do not disable keep-alive where the response has a non-2xx status code but the request body has been fully read. (rjung/markt)
64403: Ensure that compressed HTTP/2 responses are not sent with a content length header appropriate for the original, uncompressed response. (markt)

Jasper

Remove redundant sole path/URI from error page message on SC_NOT_FOUND. (michaelo)
Add more descriptive error message in DefaultServlet for SC_NOT_FOUND. (michaelo)
64373: When a tag file is packaged in a WAR and then that WAR is unpacked in /WEB-INF/classes ensure that the tag file can still be found. Patch provided by Karl von Randow. (markt)
Ensure that the Jasper code that interfaces with the Eclipse Compiler for Java (ECJ) enables Jasper to compile JSPs using ECJ 4.14 onwards when the JSPs have inner classes. (markt)

Cluster

Refactor Tribes BufferPool and add the org.apache.catalina.tribes.io.BufferPool.DEFAULT_POOL_SIZE system property to configure its size. (remm)
Remove java.io based Tribes receiver and sender, in favor of NIO which was the default. (remm)

Web applications

Fix the saving of a Context configuration file via the scripting interface of the Manager web application. (markt)
Add a section to the TLS Connector documentation on different key store types and how to configure them. (markt)

Other

Update JUnit to version 4.13. (markt)
Add missing entries to test class path in sample NetBeans configuration files. Patch provided by Brian Burch. (markt)
Refactor to use parameterized Collection constructors where possible. Pull request provided by Lars Grefer. (markt)
Refactor to use empty arrays with Collections.toArray(). Pull request provided by Lars Grefer. (markt)
Refactor loops with a condition to exit as soon as the condition is met. Pull request provided by Lars Grefer. (markt)
Refactor bulk addition to collections to use addAll() rather than a loop. Pull request provided by Lars Grefer. (markt)
Expand the coverage of the Chinese translations provided with Apache Tomcat. Contributions provided by winsonzhao, ZhangJieWen and Lee Yazhou. (markt)
Improve the quality and expand the coverage of the French translations provided with Apache Tomcat. (remm)
Improve the quality of the Japanese translations provided with Apache Tomcat. Includes contributions from Yoshy. (markt)
Improve the quality of the German translations provided with Apache Tomcat. (markt)
Update the packaged version of the Tomcat Native Library to 1.2.24. (markt)
Refactor to use enhanced for loops where possible. Pull request by Lars Grefer. (markt)
Improve IDE support for IntelliJ IDEA. Patch provided by Lars Grefer. (markt)
Improve the coverage and quality of the Korean translations provided with Apache Tomcat. (woonsan)
Update dependency on bnd to 5.0.1. (markt)

Catalina

Ensure all URL patterns provided via web.xml are %nn decoded consistently using the encoding of the web.xml file where specified and UTF-8 where no explicit encoding is specified. (markt)
Allow a comma separated list of class names for the org.apache.tomcat.util.digester.PROPERTY_SOURCE system property. (remm)
64149: Avoid NPE when using the access log valve without a pattern. (remm)
64226: Reset timezone after parsing a date since the date format is reused. Test case submitted by Gary Thomas. (remm)
64247: Using a wildcard for jarsToSkip should not override a possibly present jarsToScan. Based on code submitted by Iridias. (remm)
Refactor DefaultServlet to avoid using an internal Range structure that is duplicated from the parsing result. (remm)
Remove org.apache.catalina.connector.CoyoteAdapter.ALLOW_BACKSLASH system property, replaced by the allowBackslash attribute on the Connector. (remm)
Remove org.apache.catalina.connector.Response.ENFORCE_ENCODING_IN_GET_WRITER system property, replaced by the enforceEncodingInGetWriter attribute on the Connector. (remm)
Remove org.apache.catalina.session.StandardSession.ACTIVITY_CHECK system property, replaced by the sessionActivityCheck attribute on the Manager. (remm)
Remove org.apache.catalina.session.StandardSession.LAST_ACCESS_AT_START system property, replaced by the sessionLastAccessAtStart attribute on the Manager. (remm)
Remove org.apache.catalina.core.StandardHostValve.ACCESS_SESSION system property, replaced by the alwaysAccessSession attribute on the Context. (remm)
Remove org.apache.catalina.core.ApplicationContext.GET_RESOURCE_REQUIRE_SLASH system property, replaced by the contextGetResourceRequiresSlash attribute on the Context. (remm)
Remove org.apache.catalina.core.ApplicationDispatcher.WRAP_SAME_OBJECT system property, replaced by the dispatcherWrapsSameObject attribute on the Context. (remm)
64265: Fix ETag comparison performed by the default servlet. The default servlet always uses weak comparison. (markt)
Remove org.apache.catalina.authenticator.Constants.SSO_SESSION_COOKIE_NAME system property, replaced by the cookieName attribute on the SSO valve. (remm)
Add support for default values when using ${...} property replacement in configuration files. Based on a pull request provided by Bernd Bohmann. (markt)

Coyote

When closing a NIO channel, avoid canceling keys as a workaround for deadlocks when running on Java 11. Excessive internal NIO synchronization on channel close is resolved starting with this Java version. (remm)
When configuring an HTTP Connector, ensure that the encoding specified for URIEncoding is a superset of US-ASCII as required by RFC7230. (markt)
Avoid always retrieving the NIO poller selection key when processing to reduce sync. (remm)
64240: Ensure that HTTP/0.9 requests that contain additional data on the request line after the URI are treated consistently. Such requests will now always be treated as HTTP/1.1. (markt)
Expose the HTTP/2 connection ID and stream ID to applications via the request attributes org.apache.coyote.connectionID and org.apache.coyote.streamID respectively. (markt)
Replace the system property org.apache.tomcat.util.buf.UDecoder.ALLOW_ENCODED_SLASH with the Connector attribute encodedSolidusHandling that adds an additional option to pass the %2f sequence through to the application without decoding it in addition to rejecting such sequences and decoding such sequences. (markt)
Expose the associated HttpServletRequest to the CookieProcessor when generating a cookie header so the header can be tailored based on the properties of the request, such as the user agent, if required. Based on a patch by Lazar Kirchev. (markt)

Jasper

Update to the Eclipse JDT compiler 4.15. (markt)
Add support for specifying Java 14 (with the value 14) and Java 15 (with the value 15) as the compiler source and/or compiler target for JSP compilation. If used with an ECJ version that does not support these values, a warning will be logged and the latest supported version will used. (markt)
Remove Jasper configuration using system properties and replace them by a new set of JSP Servlet init parameters. (remm)

Web applications

Correct the documentation web application to remove references to the org.apache.catalina.STRICT_SERVLET_COMPLIANCE system property changing the default for the URIEncoding attribute of the Connector. (markt)
Correct the documentation web application to remove references to the org.apache.tomcat.util.buf.UDecoder.ALLOW_ENCODED_SLASH system property changing how the sequence %5c is interpreted in a URI. (markt)

Tribes

Remove support for the deprecated system property org.apache.catalina.tribes.dns_lookups. The default value of false will now always be used. (markt)

Other

Improve the quality and expand the coverage of the French translations provided with Apache Tomcat. Contribution provided by Tom Bens. (remm)
Expand the coverage of the Chinese translations provided with Apache Tomcat. Contribution provided by Lee Yazhou. (markt)
64270: Set the documented default umask of 0027 when using jsvc via daemon.sh and allow the umask used to be configured via the UMASK environment variable as it is when using catalina.sh. (markt)
Update the OWB module to Apache OpenWebBeans 2.0.16. (remm)
Update the CXF module to Apache CXF 3.3.6. (remm)
Remove the LOGGING_CONFIG environment variable and replace it with the CATALINA_LOGGING_CONFIG environment variable to avoid clashes with other components that use LOGGING_CONFIG. (markt)

Coyote

64202: Use a loop on NIO blocking reads, as it is possible zero bytes are produced by a network read. (markt/remm)
64210: Correct a regression in the improvements to HTTP header validation that caused requests to be incorrectly treated as invalid if a CRLF sequence was split between TCP packets. Improve validation of request lines, including for HTTP/0.9 requests. (markt)

Other

64206: Correct a regression introduced in 10.0.0-M1 that meant that the HTTP port specified when using the Windows Installer was ignored and 8080 was always used. (markt)

Catalina

Refactor HttpServlet.doOptions() to improve performance. (markt)
Disable StandardManager session persistence by default. It can be enabled back in context.xml. (remm)
Add extension point to DeltaSession to improve subclassing. Patch provided by ThStock. (schultz)
64153: Ensure that the parent for the web application class loader is set consistently. (markt)
64166: Ensure that the names returned by HttpServletResponse.getHeaderNames() are unique. (markt)
Rename org.apache.tomcat.util.digester.Digester$EnvironmentPropertySource to org.apache.tomcat.util.digester.EnvironmentPropertySource. Patch provided by Bernd Bohmann. (markt)
63286: Resolve inconsistencies with access log valve. This changes the element API to use a nanosecond resolution elapsed time argument. (remm)
Add new attribute persistAuthentication to both StandardManager and PersistentManager to support authentication persistence. Patch provided by Carsten Klein. (markt)
64184: Avoid repeated log messages if a MemoryUserDatabase is configured but the specified configuration file is missing. (markt)
64189: Expose the web application version String as a ServletContext attribute named org.apache.catalina.webappVersion. (markt)

Coyote

Fix support of native jakarta servlet attributes in AJP connector. (remm)
56966: Add use of System.nanoTime to track request execution time. (remm)
64141: If using a CA certificate, remove a default value for the truststore file when not using a JSSE configuration. (remm)
Improve robustness of OpenSSLEngine shutdown. Based on code submitted by Manuel Dominguez Sarmiento. (remm)
Add the TLS request attributes used by IIS to the attributes that an AJP Connector will always accept. (markt)
A zero length AJP secret will now behave as if it has not been specified. (remm)
64188: If an error occurs while committing or flushing the response when using a multiplexing protocol like HTTP/2 that requires the channel to be closed but not the connection, just close the channel and allow the other channels using the connection to continue. Based on a suggestion from Alejandro Anadon. (markt)
Correct the semantics of getEnableSessionCreation and setEnableSessionCreation for OpenSSLEngine. Pull request provided by Alexander Scheel. (markt)
64192: Correctly handle case where unread data is returned to the read buffer when the read buffer is non empty. Ensure a gathering TLS read stops once the provided ByteBuffers are full or no more data is available. (markt)
Allow async requests to complete cleanly when the Connector is paused before complete() is called on a container thread. (markt)

Cluster

Allow configuring the DNSMembershipProvider using the dns alias. Submitted by Bernd Bohmann. (remm)

Web applications

Expand the documentation for the address attribute of the AJP Connector and document that the AJP Connector also supports the ipv6v6only attribute with the APR/Native implementation. (markt)

Other

Update the OWB module to Apache OpenWebBeans 2.0.15. (remm)
Update the CXF module to Apache CXF 3.3.5. (remm)
Expand the coverage of the Korean translations provided with Apache Tomcat. Contributions provided by B. Cansmile Cha. (markt)
Expand the coverage of the French translations provided with Apache Tomcat. (remm)
64190: Add support for specifying milliseconds (using S, SS or SSS) in the timestamp used by JULI's OneLineFormatter. (markt)

General

This release contains all of the changes upto and including those in Apache Tomcat 9.0.31 plus the additional changes listed below. (markt)

Catalina

Refactor recycle facade system property into a new connector attribute named discardFacades and enable it by default. (remm)
Update to Jakarta Servlet 5.0, Jakarta Server Pages 3.0. Jakarta Expression Language 4.0, Jakarta WebSocket 2.0, Jakarta Authentication 2.0 and Jakarta Annotations 2.0. (markt)
Remove GenericPrincipal.getPassword. The credentials should remain managed by the realm. (remm)
Add connection pooling to JNDI realm. (remm)
Use <request-character-encoding> and <response-character-encoding> in conf/web.xml to set the default request and response character encodings to UTF-8. (markt)
Store config compatibility with HostWebXmlCacheCleaner listener. (remm)
Modify the RewriteValve to use ServletRequest.getServerName() to populate the HTTP_HOST variable rather than extracting it from the Host header as this allows HTTP/2 to be supported. (markt)
Switch Tomcat embedded to loading MIME type mappings from a property file generated from the default web.xml so the MIME type mappings are consistent regardless of how Tomcat is started. (markt)
Missing store config attributes for Resources elements. (remm)

Coyote

Update endpoint cache sizes defaults. (remm)
Remove unused NIO blocking selector. (remm)
When using an AJP Connector, convert Java Servlet specific request attributes to the Jakarta Servlet equivalent. (markt)
When reporting / logging invalid HTTP headers encode any non-printing characters using the 0xNN form. (markt)
Remove duplication of HTTP/1.1 configuration on the HTTP/2 UpgradeProtocol element. Configuration from the main Connector element will now be used. (remm)
When the NIO or APR/native connectors were configured with useAsyncIO="true" and a zero length read or write was performed, the read/write would time out rather than return immediately. (markt)

Jasper

Parameterize JSP version and API class names in localization messages to allow simpler re-use between major versions. (markt)
Ensure that TLD files listed in the jsp-config section of web.xml that are registered in the uriTldResourcePathMap with the URI specified in web.xml are also registered with the URI in the TLD file if it is different. Patch provided by Markus Lottmann. (markt)

Cluster

Fix cloud environment lookup order and add a dedicated DNS_MEMBERSHIP_SERVICE_NAME environment for use with the DNS membership provider. Submitted by Bernd Bohmann. (remm)

Other

53620: JULI now only creates logging files when there is a log entry to write. Based on a patch by Karol Bucek. (markt)
Update implemented specification version information in a few places where it has not been updated for Jakarta EE 9. (markt)
Expand the coverage of the French translations provided with Apache Tomcat. (remm)
Expand the coverage of the Chinese translations provided with Apache Tomcat. Contribution provided by BoltzmannWxd. (markt)

Changelog

Tomcat 10.0.0-M9 (markt)

Catalina

Coyote

Jasper

Web applications

Other

2020-09-14 Tomcat 10.0.0-M8 (markt)

Catalina

Coyote

WebSocket

Web applications

Other

2020-07-05 Tomcat 10.0.0-M7 (markt)

Catalina

Coyote

Jasper

Cluster

WebSocket

Web Applications

Other

2020-06-07 Tomcat 10.0.0-M6 (markt)

Catalina

Coyote

Jasper

WebSocket

Other

2020-05-11 Tomcat 10.0.0-M5 (markt)

Catalina

Coyote

Jasper

Cluster

Web applications

Other

2020-04-08 Tomcat 10.0.0-M4 (markt)

Catalina

Coyote

Jasper

Web applications

Tribes

Other

2020-03-16 Tomcat 10.0.0-M3 (markt)

Coyote

Other

not released Tomcat 10.0.0-M2 (markt)

Catalina

Coyote

Cluster

Web applications

Other

2020-02-20 Tomcat 10.0.0-M1 (markt)

General

Catalina

Coyote

Jasper

Cluster

Other