RELEASE-NOTES-4.1.txt [plain text]
Apache Tomcat Version 4.1
=========================
Release Notes
=============
$Id: RELEASE-NOTES-4.1.txt,v 1.81 2003/10/27 13:40:27 remm Exp $
============
INTRODUCTION:
============
This document describes the changes that have been made in the current
development version of Apache Tomcat, relative to the Tomcat 4.0 release.
The release notes for all prior releases of Tomcat 4.0 are also included, for
your reference.
Bug reports should be entered at the bug reporting system for
Jakarta projects at:
http://nagoya.apache.org/bugzilla/
Please report bugs and feature requests under product name "Tomcat 4".
============
NEW FEATURES:
============
--------------------
General New Features:
--------------------
[4.1.1] Administration Webapp:
Complete development of the initial version of the administration web
application.
[4.1.5] Administration Webapp:
Add support for manipulating JNDI resources of web applications.
[4.1.6] Administration Webapp:
Add support for JavaMail resources.
[4.1.6] Tyrex resources:
Upgrade to Tyrex 1.0.
[4.1.10] Commons components:
Upgrade to stable releases.
[4.1.11] Administration Webapp:
Add support for DefaultContext.
[4.1.11] Documentation:
New JK and JK 2 documentation.
[4.1.15] i18n:
Complete French language translation.
[4.1.19] Documentation:
Added printer friendly versions of the documents.
[4.1.19] Administration Webapp:
Complete the accessibility requirements to pass section 508.
[4.1.28] Connectors:
The Coyote connector (HTTP/1.1 and AJP/1.3) has been upgraded to
Coyote 1.1, which is the one used by Tomcat 5.0.x. Please refer to the
Tomcat 5.0 changelog for the list of changes.
[4.1.29] DBCP:
Upgrade to DBCP 1.1.
---------------------
Catalina New Features:
---------------------
[4.1.3] Catalina:
Implement custom logger which can be used to capture System.out and
System.err to a buffer for later use.
[4.1.3] SSIServlet:
Complete rewrite of the SSI functionality (WARNING: servlet class name
has changed).
[4.1.3] CoyoteConnector:
Add PureTLS support.
[4.1.4] Embedded:
Add support for Coyote HTTP/1.1 and Coyote JK 2.
[4.1.4] DefaultContext:
Refactoring of DefaultContext to support dynamic configuration (naming
resources and other misc properties).
[4.1.4] MBeanUtils:
Allow specifying custom MBean descriptor files.
[4.1.5] ServerLifecycleListener:
Generate MBeans for the JNDI resources of the contexts.
[4.1.8] BootstrapService:
Allow passing parameters to the BootstrapService.
[4.1.15] JNDIRealm:
Add support for SSL with the JNDIRealm.
[4.1.16] AuthenticatorBase:
Add a configuration option to disable setting the headers which
prevent proxies from caching protected pages. Using this option may
open security holes in your application, so it should only be used
if you are certain about what you are doing.
[4.1.16] JNDIRealm:
Allow configuring how JNDI should handle referrals returned
by the server.
[4.1.16] AccessLogValve:
Allow disabling log file rotation, and add new patterns.
[4.1.17] DataSourceRealm:
A new Realm implementation which can use a JNDI named JDBC
DataSource has been added.
[4.1.19] JNDIRealm:
Added support for using an alternateURL if a socket connection
can not be made to the provider at the connectionURL.
[4.1.19] CoyoteConnector:
Add HTTP/1.1 GZIP compression support.
[4.1.20] StandardWrapper, ManagerBase:
Added JavaBean fields to expose statistics through JMX.
[4.1.20] GlobalResourcesLifecycleListener:
Allow the listener to be associated with a Service.
[4.1.25] ExtendedAccessLogValve:
An implementation of the W3c Extended Log File Format. See
http://www.w3.org/TR/WD-logfile.html for more information
about the format.
[4.1.29] DefaultContext:
Added support for nesting a Context Listener and a Webapp Loader
within a DefaultContext.
-------------------
Jasper New Features:
-------------------
[4.1.1] JspServlet, Options:
Add new "reloading" flag allowing to disable the JSP reloading checks,
to allow better performance on production servers.
[4.1.1] JspServlet:
Refactor the JSP modification checking as a background thread.
[4.1.3] Compiler:
Ant 1.5 based compiler.
[4.1.4] Compiler:
Extensive code cleanup.
[4.1.4] JspC:
Extensive refactoring of JspC.
[4.1.4] Options:
Add new "compiler" option, which contains the Ant name of the Java
compiler to be used. Please refer to the list in the Ant documentation
for more details.
[4.1.4] Generator:
Fix the limitation on the number of tags which can be used within a
single page, which was cause by the 64K bytecode limit for a sigle
method. Now Jasper generates separate methods for tag bodies when lots
of tags are used.
[4.1.4] Generator:
Add tag instance reuse for performance improvement.
[4.1.4] Generator:
Add tag BodyContent reuse.
[4.1.6] TldLocationsCache:
Add TLD caching.
[4.1.6] Options:
Add new "enablePooling" flag, which allows disabling tag reuse.
[4.1.8] JspCompilationContext:
Use _ instead of $ to generate file and class names for jsp servlets.
[4.1.19] Compiler:
Added new "fork" option. This tells Ant to fork the JSP page javac
compile so that it is run in a different JVM from the one Tomcat
is running in. Please refer to the Jasper-HOWTO for more information.
==========================
BUG FIXES AND IMPROVEMENTS:
==========================
------------------
Generic Bug Fixes:
------------------
[4.1.2] Administration Webapp:
Fix problems with limiting the length of the driverClassName field, as
well as set default values, and add missing JNDI name field.
[4.1.2] Administration Webapp:
Fix many problems defining a SSL connector through the administration
webapp.
[4.1.2] Administration Webapp:
Many cosmetic fixes.
[4.1.3] Administration Webapp:
Fix creation of new connectors through the admin webapp.
[4.1.6] Administration webapp:
Context resources administration fixes and improvements.
[4.1.6] Compression filter:
Fix compliance problems.
[4.1.6] Administration Webapp:
Tweak validation code for the context parameters.
[4.1.8] Build:
Tomcat is now built with JDK 1.4.
[4.1.9] Administration Webapp:
Specify charset in JSP pages.
[4.1.11] Administration Webapp:
Fix adding a context with the administration webapp.
[4.1.12] Administration Webapp:
Complete support for DefaultContext.
[4.1.15] Administration Webapp:
Fix edition and creation of resource links.
[4.1.17] Default configuration:
Connector performance tweaks.
[4.1.19] Manager and HTML Manager web applications
Fix bugs 5551, 7826, 8969, 13983, 5629, and 13205
Updated documentation and added some minor new features.
See the Manager App HOW-TO and HTML Manager App HOW-TO
documentation for more information.
[4.1.19] Administration Webapp:
Add a check for empty validation query before setting it.
[4.1.20] Startup scripts:
Fix classloading failures on JDK 1.4 related to commons-logging,
which were caused by JARs being set as endorsed and added to the
system classloader.
[4.1.20] Xerces:
Upgrade to Xerces 2.3.0.
[4.1.20] Administration Webapp:
Additional accessibility improvements.
[4.1.20] Administration Webapp:
Fix to prevent localhost from being deleted.
[4.1.20] Administration Webapp:
Fix the beahavior of valve creation, where atributes weren't saved.
[4.1.21] Administration Webapp:
Add filtering to prevent the administrator from removing himself
access.
[4.1.21] Administration Webapp:
Remove groups and roles tables on user and group page.
[4.1.23] #17744
Administration Webapp:
Remove "/admin" part of URLs to make them relative.
[4.1.23] #15982
Administration Webapp:
Don't set JDBCRealm digest when it's an empty string.
[4.1.23] Startup scripts:
Fix bugs in the Unix startup scripts.
[4.1.27] Administration Webapp:
Fix typo in the default context action declaraion.
[4.1.28] Modeler:
Update to commons-modeler 1.1.
[4.1.28] Xerces:
Update to Xerces 2.5.0.
[4.1.28] Regexp:
Update to regexp 1.3.
[4.1.28] Scripts:
Use -Dsun.io.useCanonCaches=false as an extra system property for
Windows scripts, so that the canonical paths returned are case exact.
[4.1.28] Docs:
Minor docs updates.
------------------
Catalina Bug Fixes:
------------------
[4.1.1] #8611
Summary: Sealed .jar files in WEB-INF/lib always fail to load
second class
WebappClassLoader:
The classloader will now generate codebases URL for classes loaded from
JAR file which point to the JAR, intead of using a nested jar: URL.
This change will affect security manager policy files.
[4.1.2] ErrorReportValve:
Made it so the valve will only generate status reports for status codes
over 300.
[4.1.2] DbcpDataSourceFactory:
maxIdle attribute couldn't be set.
[4.1.2] Facades:
Fixed a problem where the facades would still keep a pointer to the
facaded objects after the end of the processing of the request.
[4.1.3] #7578
Summary: Signed jars loses their certificates when in /WEB-INF/lib
WebappClassLoader:
Fix the timing of the call to JarEntry.getCertificates(), so that the
certificates are set correctly.
[4.1.3] WebappClassLoader:
Modify the filters to have a matched class be delegated first, instead
of refusing to load it altogether. Also add filters for javax.*, Xerces
and Xalan.
[4.1.3] Endpoint:
Add support for a two phase connector initialization in Coyote, so that
Tomcat can be used as nobody on Unix.
[4.1.3] Http11Protocol:
i18n.
[4.1.3] StandardServerMBean:
Encode special characters when writing configuration file.
[4.1.3] ContextConfig:
Fix NPE when the Embedded class is used.
[4.1.3] DBCP:
Use the JNDI factory provided by the commons-dbcp project.
[4.1.3] StandardHost:
Modify mapping error uri to provide the source uri.
[4.1.3] NamingContextListener:
Fix a bug where the listener was registered on all lifecycle events.
[4.1.3] #7656
Summary: Webapplications deployed using PUT don't survive
a tomcat restart
StandardServer:
Move the save to XML functionality out of the JMX code, and make the
ManagerServlet use it after a deploy, so that the deployed application
is persistent.
[4.1.3] #9353
Transfer-Encoding: chunked (on Request fails)
ChunkedInputFilter:
In rare cases, the data read could be corrupted.
[4.1.3] ManagerServlet:
Handle resources nested in subcontexts.
[4.1.3] NamingResources:
Prevent naming resources overriding.
[4.1.4] HostConfig:
Do web.xml tracking on all contexts.
[4.1.4] NamingResources:
Fix entries removal.
[4.1.4] ContextBindings:
JNDI environment is now available to webapp created classloaders, as
long as the webapp classloader is in its parent hierarchy.
[4.1.4] ManagerServlet:
Save configuration when undeploying.
[4.1.4] #9629
Fix ServletContext.getResourcePaths to match spec
ApplicationContext:
getResourcePaths now returns null for non existing paths.
[4.1.4] #9676
org.apache.coyote.tomcat4.CoyoteServerSocketFactory doesn't recognize
keystoreType attribute
Http11Protocol:
Add missing setKeytype method.
[4.1.4] #5446
Can't change webapp class loader
WebappLoader:
Use introspection to instantiate the class loader.
[4.1.5] #9715
'Out of Memory' error with static html pages
ProxyDirContext:
Use a LRU based cache instead of a simple hashtable.
[4.1.4] #9722
java.lang.ClassCastException:
org.apache.catalina.connector.HttpRequestFacade
ApplicationDispatcher:
The check to unwrap must also handle facades.
[4.1.5] #9700
JNDIRealm authentication incorrectly succeeds with blank password
JNDIRealm:
The security exploit has been fixed.
[4.1.5] HTMLManagerServlet:
Many improvements and small feature additions.
[4.1.5] #8935
Deadlock with reload in manager
StandardWrapper:
The deallocation of a wrapper will not timeout after 500 ms.
[4.1.5] #8013
DefaultServlet Throws NumberFormatException
DefaultServlet:
Use getDateHeader instead of instance local date parsers to solve
thread safety issues.
[4.1.6] WebappClassLoader:
Fix a rare thread safety issue.
[4.1.6] #9944
JAASRealm not configurable
JAASRealm:
Fix configuration of the appName and userClassNames attributes.
[4.1.6] StandardSession:
Fix session recycling.
[4.1.6] #9318
Summary: HttpSession getMaxInactiveInterval() throws
IllegalStateException
StandardSession:
Don't throw ISE.
[4.1.6] ContextConfig:
Don't remove JNDI resources when stopping a web application.
[4.1.6] StandardWrapper:
Capture System.out and System.err during load-on-startup.
[4.1.6] ApplicationContext:
Fix major memory leak in the request dispatcher. Also improves
performance.
[4.1.6] ApplicationHttpResponse:
Disallow using setLocale from an included servlet.
[4.1.6] StandardContext:
Reset application context when stopping.
[4.1.8] BootstrapService:
Prevent NPE when DaemonContext is not well initialised.
[4.1.8] StandardServer:
Make sure the global resources are correctly initialized even if there
is no GlobalNamingResources element in server.xml.
[4.1.8] MBean-descriptors:
Add PersistentManager MBean info to mbeans-descripor.xml so it doesn't
complain in case if you have PersistentManager.
[4.1.8] #10967
Summary: Java Deadlock in WebappClassLoader
WebappClassLoader:
Make ResourceEntry a separate class.
[4.1.8] StandardSession:
Set manager to null before recycling.
[4.1.9] StandardClassLoader:
Avoid potential security exception by not calling getParent.
[4.1.9] #11307
Summary: Deadlock in ClassLoader
WebappClassLoader:
Fix deadlock condition by modifying the synced block.
[4.1.9] StandardHostDeployer:
Fire event when undeploying.
[4.1.10] AuthenticatorBase:
Remove double URI decoding.
[4.1.10] StandardHost:
Refactor log capture.
[4.1.10] StandardServer:
Output server.xml in UTF8.
[4.1.10] WebappClassLoader:
Fix problem where external repositories would always be ignored.
[4.1.10] WebappClassLoader:
Generate properly encoded URLs.
[4.1.10] #12041
Summary: CGIServlet can block on input
CGIServlet:
Fix possible deadlock when reading CGI script output.
[4.1.10] ErrorDispatcherValve:
Unwrap root cause error.
[4.1.10] Documentation:
Fixes and small additons to the DBCP documentation.
[4.1.10] StandardContext:
Add new "swallowOutput" flag, to allow configuring logger redirection.
[4.1.11] catalina.policy:
Modify the file to reflect the new URLs to be used for codebase
declarations.
[4.1.11] StandardContext:
Change the timing of the directory context allocation (now done
during start which is more consistent with the lifecycle of other
components).
[4.1.11] #12041
CGIServlet:
Better fix for bugzilla 12041 running an extra thread to deal
with STDERR.
[4.1.11] CGIServlet:
Fix for CGI scripts run from a POST operation never get any
posted data.
[4.1.11] DefaultServlet:
Assume text file when MIME type is unknown for including purposes.
[4.1.11] ManagerServlet:
Allow manager to do operations on the root webapp.
[4.1.11] BootstrapService:
Allow parameters to BootstrapService for jni/mod_jk2.
[4.1.11] FileDirContext:
Add an option to allow symlinking (allowLinking).
[4.1.11] FileDirContext:
Make the case sensitivity check based on the value of the
"caseSensitive" flag rather than on the path separator. Most Unix OSes
can set that to false.
[4.1.12] SSLAuthenticator:
Add back client authentication support.
[4.1.12] SECURITY:
Disable InvokerServlet in the default webapp configuration,
and restrict the servlets it can invoke.
[4.1.12] #12286
JDBCStore:
Fix NPE on shutdown.
[4.1.13] StandardContext:
Major refactoring of the resources lifecycle handling, which is now
similar to the one of the other components.
[4.1.13] #12985
StandardWrapper:
Fix load on startup bug for JSPs.
[4.1.13] StandardWrapper:
Add log swallowing support.
[4.1.13] InvokerServlet:
SECURITY: Check the classname of the invoked servlet.
[4.1.13] #13513
StandardManager:
Add disabling persistence with a blank String.
[4.1.13] Catalina:
SECURITY: Add security manager protection on Coyote components.
[4.1.13] ErrorReportValve:
Performance optimization: don't generate a status report for status
codes < 400.
[4.1.13] ProxyDirContext:
Cache non existing resources list to provide a major speedup for
welcome files processing.
[4.1.13] ProxyDirContext:
Avoid object creation when reproting a not found resource.
[4.1.13] ProxyDirContext:
Peformance fix: allow directory caching.
[4.1.14] Catalina:
Fix security manager package protection configuration.
[4.1.14] ContextConfig:
Fix TLD processing.
[4.1.15] #13583
ApplicationContext:
Add path normalization.
[4.1.15] FileDirContext:
allowLinking will also disable case sensitivity checks (which are
relatively similar).
[4.1.15] #13364
StandardDefaultContext:
Properly refresh naming entries defined in the DefaultContext after a
reload.
[4.1.16] server.xml
Disable timeout for JK2 connector.
[4.1.16] MBeanUtils:
Relax restrictions on valve MBeans creation.
[4.1.16] #14781
CGIServlet:
Remove dependency on JDK 1.4.
[4.1.16] FileStore:
Check for the existence of the session store file.
[4.1.16] SSI:
Conditional SSI enhancement, better emulation of Apache SSI,
fix expression parser's handling of literals.
[4.1.17] #15086
StandardWrapper:
Use the swallowOutput flag when unloading.
[4.1.17] #15077
StandardWrapper:
Mark servlets as unavailable when the wrapper is stopped.
[4.1.17] CGIServlet, SSIServlet:
Fix for SSI "normal" configuration which invokes a CGI script.
[4.1.17] #15239
NamingResourcesMBean:
Fix resource link creation.
[4.1.18] CoyoteWriter, CoyoteResponse:
SECURITY: Fix writer reuse after an IOException occurred.
[4.1.19] #15544
DataSourceRealm:
Fixed the Realm-HOWTO docs for the DataSourceRealm.
[4.1.19] #10383
Ajp13:
Fix hanging Ajp13Processor and web server request when invalid
Cookie sent. An HTTP status code 400 - Bad Request is now returned.
[4.1.19] ApplicationFilterConfig:
Wrap filter initialization with swallow output.
[4.1.19] #15819
StandardServer:
Don't write out listeners for StandardDefaultContext.
[4.1.19] #15762
StandardServer:
Filter special characters in DataSource URL.
[4.1.19] #15890
DefaultServlet:
Invalid date headers should be ignored.
[4.1.19] ManagerBase:
Add code to guarantee uniqueness of a session ID (even though the
probability that this event occurs is negligible, some people feel
more comfortable with that code enabled).
[4.1.19] RequestFilterValve:
Catch null pointer property to match on, deny by default if found.
[4.1.19] #15378
ProxyDirContext:
Fix cache invalidation problem when creating subcontexts or modifying
attributes.
[4.1.20] #16316
DataSourceRealm:
Removed code which validates the realm can connect to the db from
the realm start in case the JNDI named DataSource has not been
initialized yet.
[4.1.20] #16106
StandardServer:
Fix a problem where some valves would be incorrectly written
to server.xml.
[4.1.20] StandardSession:
Don't recycle sessions, as the performance gain is minimal.
[4.1.20] CookieTools:
Add spaces after ; in cookies. This avoids problems with IE on Mac.
[4.1.20] Manager:
Add missing security mapping for deploy (this bug was introduced
in 4.1.19).
[4.1.20] ManagerBase, StandardSession:
Correct problems related to the persistence of sessions.
[4.1.20] ApplicationContext:
Add a workaround to allow retrieving contexts from the root context.
[4.1.21] ErrorDispatcherValve
Aborted requests by remote clients are now detected so that a one
line entry is logged instead of a complete stack trace and the
request is terminated instead of trying to invoke an error page.
[4.1.21] MbeanUtils:
Add JSR 77 servlet registration.
[4.1.22] JDBCStore:
Optimize keys() method SQL WHERE clause.
Implement a new db field so that the session can be localized to
the Engine, Host, and Context (Web Application).
[4.1.22] #17591
JDBCStore
Synchronize methods which use db so that use of db connection is
thread safe.
[4.1.22] #17587
Session Manager StoreBase
Fix a NPE bug when the background thread expires sessions.
[4.1.22] #17775
WebappClassLoader
Grant web applications a FilePermission to read the web application
context directory in addition to its contents.
[4.1.23] #17900
JDBCStore
Fix bug where first session in result set was skipped.
[4.1.25] #9851
Improve Digest Authentication compatibility
[4.1.25] #20380
AccessLogValve incorrectly calculates timezone.
[4.1.25] #16374
AccessLogValve Date in file name configurable.
[4.1.25] #16400
AccessLogValve Allow logging to be conditional.
[4.1.25] AccessLogValve Add %D, %T for time to serve request.
[4.1.25] StandardContext:
Fix listener shutdown order for JNDI access.
[4.1.25] StandardContext:
Return facaded context.
[4.1.25] StandardWrapper:
Fix SingleThreadModel NPE after a reload.
[4.1.25] WebappClassLoader:
Display more debugging when a CL stopped error occurs.
[4.1.25] StandardSession:
Clone enumerated list to allow mutating.
[4.1.27] AuthenticatorBase:
Don't set the no-caching headers on protected POSTed pages, so that
the browser's "back" button works as expected.
[4.1.27] AccessLogValve:
Add leading + to timezone offset.
[4.1.27] ExtendedAccessLogValve:
If bytes are requested, then print bytes not the date.
[4.1.28] StandardContext:
Fix reloading regression.
[4.1.28] StandardHostValve:
Reset context classloader after invoking the servlet.
[4.1.28] StandardWrapperValve:
Fix infinite recursion when logging in certain cases.
[4.1.28] JNDIRealm:
Many bugfixes (18698, 11678, 19864, 20518, 14817, 22236), and allow
multiple user patterns.
[4.1.28] CGI Servlet:
Bugfixes (22857, 22858).
[4.1.28] WebDAV Servlet:
Fix bad handling of the destinationPath URL.
[4.1.28] SecurityClassLoad:
Preload a few additional classes from Coyote.
[4.1.28] MemoryUser:
XML-escape the values when writing out the tomcat-users.xml file.
[4.1.29] StandardDefaultContext:
Fix support for defining ResourceLink.
----------------
Coyote Bug Fixes:
----------------
[4.1.13] #12998
CoyoteAdapter:
Fix compatibility problem with AJP.
[4.1.13] #13162
CoyoteAdapter:
Decode the URI as a URI, not as a query-string.
[4.1.13] #13658
CoyoteAdapter:
Arrange to have the SSL attributes in the CoyoteRequest so that they
show up for getAttributeNames.
[4.1.13] CoyoteConnector:
Allow disabling proxyName with an empty string.
[4.1.13] CoyoteInputStream:
Implement available().
[4.1.13] CoyoteResponse:
Fix sendRedirect URL generation.
[4.1.13] HTTP/1.1 Constants:
Increase max HTTP header buffer size to 48K.
[4.1.13] HTTP/1.1 Http11Processor:
Performance: Save on B2C for host name handling.
[4.1.13] HTTP/1.1 Http11Processor:
Performance: Use bytes comparisons to check the "connection" header
values.
[4.1.13] HTTP/1.1 InternalOutputBuffer:
Performance: improve header generation.
[4.1.13] #13270
JK2 ChannelSocket:
TCP no delay was not implemented.
[4.1.13] JK2 HandlerRequest:
Fix tomcatAuthentication support.
[4.1.13] #11657
JK2 JkMain:
Initialize https URLs if only JK connector is used.
[4.1.13] Fix broken JSSE/SSL-support and include support for Cert-Auth with
JSSE 1.1.x.
[4.1.15] JK2 JkCoyoteHander:
Fix problem where the same buffer was used for output and input.
[4.1.15] Tomcat 4 Adapter:
Closing the output stream or writer in the Tomcat 4 adapter will now
finish the response.
[4.1.15] HTTP/1.1 InternalOutputBuffer:
Fix possible loop scenarios which could happen if an invalid 0 length
read was made.
[4.1.15] Coyote Response:
Improve special header handling to allow protocol handler to enforce
the protocol.
[4.1.15] #14281
Tomcat 4 Adapter OutputBuffer:
Properly compute the total size of the content written.
[4.1.16] Tomcat 4 Adapter:
Performance: Delayed evaluation of the remote host address.
[4.1.16] HTTP/1.1 Http11Processor:
Performance: Allow disabling upload timeout.
[4.1.16] #14658
Tomcat 4 Adapter CoyoteWriter:
Performance: Full reimplementation of PrintWriter, fixing syncing as
well as performance problems which occurred when a client abruplty
disconnected.
[4.1.16] HTTP/1.1 Http11Processor:
Performance: Save on GC for commonly used Strings for protocol and
method name.
[4.1.16] HTTP/1.1 InternalOutputBuffer:
Fix for an ArrayOutOfBound exception which could occur when
IOException (usually caused by a client disconnect) was raised
during a commit.
[4.1.16] JK2 ChannelSocket:
Handle timeout exceptions.
[4.1.16] JK2 ChannelSocket:
Allow disabling channel socket for JNI, as well as binding a specific
adress.
[4.1.16] JK2 HandlerRequest:
Fix null getRemoteHost.
[4.1.16] JK2 HandlerRequest, JKCoyoteHandler:
Lazy extraction of ssl certs to speed up jk/ajp13 when under SSL.
[4.1.17] ActionCode:
Allow ActionCode to be used in a switch.
[4.1.17] Response:
Fix Locale initilization to the default locale (en-us).
[4.1.17] #15201
Tomcat 4 Adapter:
Fix SSL attributes retrival with JK 2.
[4.1.17] Tomcat 4 Adapter CoyoteResponse:
encodeURL does not encode session with empty URL (rfc2396).
[4.1.17] HTTP/1.1 Http11Processor:
Fix incorrect setting of the socket timeout when the connection is
first established.
[4.1.17] HTTP/1.1 Http11Processor:
Performance: Optimize soTimeout management when the upload timeout is
disabled.
[4.1.17] PoolTcpEndpoint:
Reduce synchornization by not using connection object pooling. Also
minimize the amount of time during which no thread is listening on
the server socket.
[4.1.17] ThreadPool:
Reduce synchronization by using an array of threads instead of
a Vector.
[4.1.17] #15258
JK 2 ChannelSocket:
Bind all addresses by default.
[4.1.18] #15456
JK 2 CoyoteHandler:
Fix NPE occurring in SSL mode.
[4.1.19] ActionCode:
Fix incorrect number which could cause bad matching.
[4.1.19] HTTP/1.1 Http11Processor:
Fix case sensitivity matching of some special header values, which
could prevent HTTP/1.0 keep alive with some clients.
[4.1.19] PoolTcpEndpoint:
Fix incorrect handling when an exception occurs during a SSL
handshake.
[4.1.19] PoolTcpEndpoint:
More robust socket restart code for the case where an exception occurs
during an accept.
[4.1.19] ThreadPool:
Remove thread from active thread list when it ends.
[4.1.20] CoyoteConnector:
Allow setting socket linger.
[4.1.21] Cookies:
Fix to return values instead of the names.
[4.1.23] CoyoteAdapter:
Reject decoded URIs which don't start with '/'.
[4.1.24] Cookies:
Add handling for bad cookies.
[4.1.24] #16508
CoyoteResponse:
Fix value of the committed flag after the response is finished.
[4.1.25] Shell scripts:
Add support for OS/400.
[4.1.25] JkHandler:
Fix decoding of SSL CLIENT-CERTs passed from Apache/IIS/iPlanet.
[4.1.25] mod_jk:
Fix potential path-traversal problem in mappings.
[4.1.25] JSSE SSL:
Re-factor to remove dependencies on Sun classes when using a 1.4.x
JVM. It should now be possible to set up a SSL Connector
with any vendors 1.4.x JVM, without having to install
Sun's JSSE 1.0.x.
[4.1.25] PureTLS SSL:
Fix problems with getting the CLIENT-CERT.
[4.1.25] CoyoteConnector:
Disable server socket timeout by default, to minimize the amount of
generated garbage, especially in SSL mode.
[4.1.25] #21219
Http11Processor:
Drop the client connection (nicely, if possible, rudely if not) in the
event of a serious protocol error.
[4.1.25] CoyoteRequestFacade:
Fix double facading of the request object.
[4.1.25] HandlerRequest:
Fix incorrect recycling of SSL certificates in JK 2.
[4.1.25] Http11Processor:
Catch exceptions which could occur in prepareRequest.
[4.1.26] Http11Processor:
Fix regression where connection is always dropped at the end of
processing.
[4.1.27] CoyoteAdapter:
Fix "//" URL normalization code.
[4.1.27] JSSESocketFactory:
Fix dependency on Sun VMs, so that IBM VM users can use the integrated
JSSE.
[4.1.27] #21984
HandlerReqest:
Fix potential Dos condition when given a mal-formed URI.
----------------
Jasper Bug Fixes:
----------------
[4.1.1] #8290
Summary: Problem in the code generated by jasper 2
Generator:
This workaround for a JDK bug (BugParade Id: 4414162) introduces
a massive performance improvement when using pages containing
lots of tags.
[4.1.2] Generator:
Fixes various problems introduced by the patch which removes
the try/catch tag nesting.
[4.1.2] #8994
Summary: JSPs don't recompile
JspServletWrapper:
Fix JSP recompilation when the new "development" flag is set to "true".
[4.1.3] #5793
Summary: Variable element in tld with TagExtraInfo class
TagLibraryInfoImpl:
Fix spec compliance problem.
[4.1.3] PagaDataImpl:
Fix bug where only one validator could be used on a page.
[4.1.3] #8565
Summary: MyEntityResolver doesn't allow including user-defined entities
[4.1.3] Generator:
Use an array instead of a collection to simulate the try/catch nesting.
[4.1.3] Generator:
Fix spec compliance bug where a tag could define scripting variables in
both the TLD and the TagExtraInfo class.
[4.1.5] Generator, PageContextImpl:
Fix tag BodyContent reuse.
[4.1.5] Generator:
Code cleanup, removing the need for a state object.
[4.1.5] Generator:
Fix bug when specifying a redirect which already included part of a
quesry string.
[4.1.5] Compiler:
Clean up Ant error message generation.
[4.1.5] #8926
Summary: Duplicate variable definition in generated Java source,
related to custom tag scripting variable
Generator:
Fix variable declaration locations.
[4.1.6] Compiler:
Further refactoring of the compiler.
[4.1.6] #10048
Summary: JSP forward removes ALL response wrappers
PageContextImpl:
Only unwrap Jasper added response wrapper.
[4.1.6] #10035
Summary: <jsp:params> in <jsp:plugin> rejected
Parser:
<jsp:params> elements are now allowed.
[4.1.6] #9996
Summary: <@%include> breaks when the included page contains non-ascii
encoding
Validator:
Fix charset handling.
[4.1.6] Generator:
Many fixes to nested tags and scripting variables handling.
[4.1.6] Generator:
Add synchronization of the scripting variables.
[4.1.8] #10896
Summary: Parsing ContentType error
ParserController:
Fix parsing.
[4.1.8] #10713
Summary: Backslashes quoting quotes in attributes does not work
Parser:
Fix parsing.
[4.1.8] #10711
Summary: Relative filenames with ../ do not work for JSP-includes
JspCompilationContext:
Add back path normalization code.
[4.1.8] #10670
Summary: Problem in JSP compilation
Generator:
Fix compilation problem.
[4.1.8] #10766
Summary: <%@ page extends %> causes ClassCastException
JspServletWrapper:
Fix regression caused by the included JSP modification tracking.
[4.1.9] #11463
Summary: PageContextImpl.removeAttribute do not work correctly without
session object
PageContextImpl:
Add check for the existence of the session.
[4.1.9] Validator:
Fix bug in setting the default content-type.
[4.1.9] #10949
Summary: Jasper2 compile error with struts logic tag & jsp:include
Generator:
Fix generated response type to HttpServletResponse.
[4.1.9] #10629
Summary: include directive fails when referencing Parent Path within
a WAR
JspCompilationContext:
Canonicalize URIs used for getResource and getResourceAsStream.
[4.1.10] #11891
Summary: JspC does not work for webapps
JspC:
Fix -webapp option.
[4.1.10] Compiler, Generator:
Added step to determine which scripting variables must be declared.
[4.1.10] #11942
Summary: reassignment of variables to pagecontext attributes in body
loop
[4.1.10] #11552
Summary: Iteration tags do not resynchronize scripting variables after
doAfterBody()
[4.1.10] #12128
Summary: JSP Comment end symbol not recognized in some cases
[4.1.11] Compiler:
Update to work with Jikes with all features.
[4.1.11] #12387
Compiler:
Work around limitations of the Ant path tokenization by using files.
[4.1.11] Generator:
For the conversion of the value used in includes and others
to a String, as was done in previous Tomcat releases.
[4.1.11] Generator:
Added synchronization of NESTED and AT_BEGIN variables after call to
doStartTag() of tag handlers implementing IterationTag, but not
BodyTag.
[4.1.11] #12432
Generator:
Can't compile JSP with nested custom tags that have VariableInfo.
[4.1.11] JspServletWrapper:
Fix Jasper when "development" option is set to "false".
[4.1.12] JspRuntimeContext:
Add permission to allow reading the work directory.
[4.1.13] #13144
Generator:
Ending comment eats up line following.
[4.1.13] #13536
Generator:
Bad <jsp:param> value in plugin if the value is an expression.
[4.1.13] JspRuntimeContext:
Make sure the CodeSource for JSP pages is created consistently
the same.
[4.1.13] #13206
JspRuntimeLibrary:
Invalid java bean property error message could be reported better.
[4.1.13] #13843
JspServlet:
Fix locking on Windows of big JSP files.
[4.1.14] Compiler:
Add global synchronization on the javac invocation.
[4.1.15] Jspc:
Rename "--compile" option to "-compile" (it was undocumented).
[4.1.15] #14195
ErrorDispatcher:
Fix NPE.
[4.1.15] #14197
Generator:
Allow jspDestroy to be overriden.
[4.1.15] PageContextImpl:
Avoid flushing after processing the page.
[4.1.16] #14577
Generator:
Declarations should geneate a '\n' at end.
[4.1.16] #14699
Generator:
Scripting variables declared AT_END do not work when tag
implements TryCatchFinally.
[4.1.17] Compiler:
Make exception reports more detailed.
[4.1.19] #15531
Background Thread Recompile:
Fixed a thread synchronization bug which could cause the thread which
does background JSP recompiles (development=false) to die.
[4.1.19] #14200
TldLocationCache:
TLDs under WEB-INF are not scanned for URI mappings.
[4.1.19] JspWriterImpl:
Remove custom flushing, which caused client disconnects to log
stack traces with Jasper.
[4.1.19] #15105
PageContextImpl:
pushBody()/popBody() error on tomcat 4.1.X.
[4.1.20] #15845
Fixed JSP page compiles so that objects created for performing
the JSP page compiles which are not reused are dereferenced so
they are eligible for GC. This should reduce the memory footprint
and improve GC performance.
[4.1.20] JspC:
Port fixes to JspC from HEAD, including support for packaged JSPs, and
fixes to webapp precompilation.
[4.1.20] Compiler:
Dereference objects used during compilation, in order to allow
garbage collection.
[4.1.20] Compiler:
Fixed a NPE caused by nulling errorDispatcher.
[4.1.20] #16181
Generator:
JspWriter not restored properly when exception thrown
in a tag's body content.
[4.1.20] #16200
Generator:
Fix isThreadSafe functionality.
[4.1.20] #16449
JspServletWrapper:
Fix race condition in the reloading check by using an object local
boolean.
[4.1.21] #16449
JspServletWrapper:
Fix recompilation logic.
[4.1.21] Compiler:
An ant Project uses the current directory as its base directory
by default. The base directory doesn't matter but ant always checks
it. This can cause problems when using the SecurityManager
with a strict policy. The Compiler now explicitely sets the ant
Project base dir to catalina.home.
[4.1.21] Generator:
Added support for <jsp:fallback> to XML syntax.
[4.1.21] #17049
Generator:
Invalid code generated when nesting tags.
[4.1.22] TagLibraryInfoImpl:
Fix precompilation when JARs contain TLDs.
[4.1.22] JspC:
Add package name mangling for Java keywords.
[4.1.22] JspC:
Add documentation.
[4.1.22] #17775
JspRuntimeContext
Grant web applications JSP pages a FilePermission to read
the web application context directory in addition to its contents.
[4.1.23] Compiler:
Avoid NPE when using JSPC using the built-in compiler.
[4.1.24] JspC:
Set the thread context class loader to the specified classpath.
[4.1.25] #18314
PageDataImpl:
Multiple declarations of same taglib cause exception during
validation.
[4.1.25] #18496
Parser:
Special characters not escaped in "Unterminated ... tag"
error message.
============================
KNOWN ISSUES IN THIS RELEASE:
============================
* Tomcat 4.1 and JNI Based Applications
* Tomcat 4.1 Standard APIs Available
* Tomcat 4.1 and XML Parsers
* Web application reloading and static fields in shared libraries
* Tomcat on Linux
* Enabling SSI and CGI Support
* Security manager URLs
* Symlinking static resources
* Enabling invoker servlet
-------------------------------------
Tomcat 4.1 and JNI Based Applications:
-------------------------------------
Applications that require native libraries must ensure that the libraries have
been loaded prior to use. Typically, this is done with a call like:
static {
System.loadLibrary("path-to-library-file");
}
in some class. However, the application must also ensure that the library is
not loaded more than once. If the above code were placed in a class inside
the web application (i.e. under /WEB-INF/classes or /WEB-INF/lib), and the
application were reloaded, the loadLibrary() call would be attempted a second
time.
To avoid this problem, place classes that load native libraries outside of the
web application, and ensure that the loadLibrary() call is executed only once
during the lifetime of a particular JVM.
----------------------------------
Tomcat 4.1 Standard APIs Available:
----------------------------------
A standard installation of Tomcat 4 makes all of the following APIs available
for use by web applications (by placing them in "common/lib" or "shared/lib"):
* activation.jar (Java Activation Framework)
* ant.jar (Apache Ant 1.5.1)
* commons-collections.jar (Commons Collections 2.1)
* commons-dbcp.jar (Commons DBCP 1.0)
* commons-logging-api.jar (Commons Logging 1.0.2)
* commons-pool.jar (Commons Pool 1.0)
* jasper-compiler.jar (Jasper 2 Compiler)
* jasper-runtime.jar (Jasper 2 Runtime)
* jdbc2_0-stdext.jar (JDBC 2.0 Optional Package, javax.sql.*)
* jndi.jar (JNDI 1.2 base API classes)
* jta.jar (Java Transacation API 1.0.1a)
* mail.jar (JavaMail 1.2)
* naming-common.jar (JNDI Context implementation)
* naming-factory.jar (JNDI object factories)
* naming-resources.jar (JNDI DirContext implementations)
* servlet.jar (Servlet 2.3 and JSP 1.2 APIs)
You can make additional APIs available to all of your web applications by
putting unpacked classes into a "classes" directory (not created by default),
or by placing them in JAR files in the "lib" directory.
Tomcat 4.1 also makes available Xerces 2.3.0 to web applications.
--------------------------
Tomcat 4.1 and XML Parsers:
--------------------------
As described above, Tomcat 4.1 makes an XML parser (and many other standard
APIs) available to web applications. This parser is also used internally
to parse web.xml files and the server.xml configuration file. If you wish,
you may replace the "xercesImpl.jar" file in "common/endorsed" with another
XML parser, as long as it is compatible with the JAXP 1.1 APIs.
---------------------------------------------------------------
Web application reloading and static fields in shared libraries:
---------------------------------------------------------------
Some shared libraries (many are part of the JDK) keep references to objects
instantiated by the web application. To avoid class loading related problems
(ClassCastExceptions, messages indicating that the classloader
is stopped, ...), the shared libraries state should be reinitialized.
Something which could help is to avoid putting classes which would be
referenced by a shared static field in the web application classloader,
and put them in the shared classloader instead (the JARs should be put in the
"lib" folder, and classes should be put in the "classes" folder).
---------------
Tomcat on Linux:
---------------
Virtual machine crashes can be experienced when using certain combinations of
kernel / glibc under Linux with Sun Hotspot 1.2 to 1.3. The crashes were
reported to occur mostly on startup. Sun JDK 1.4 does not exhibit the problems,
and neither does IBM JDK for Linux.
The problems can be fixed by reducing the default stack size. At bash shell,
do "ulimit -s 2048"; use "limit stacksize 2048" for tcsh.
GLIBC 2.2 / Linux 2.4 users should also define an environment variable:
export LD_ASSUME_KERNEL=2.2.5
Additionally, Redhat 9.0 users should use the same setting, to avoid stability
problems.
----------------------------
Enabling SSI and CGI Support:
----------------------------
Having CGI and SSI available to web applications created security problems when
using a security manager (as a malicious web application could use them to
sidestep the security manager access control). In Tomcat 4.1, they have been
disabled by default, as our goal is to provide a fully secure default
configuration. However, CGI and SSI remain available.
On Windows:
* rename the file %CATALINA_HOME%\server\lib\servlets-cgi.renametojar to
%CATALINA_HOME%\server\lib\servlets-cgi.jar.
* rename the file %CATALINA_HOME%\server\lib\servlets-ssi.renametojar to
%CATALINA_HOME%\server\lib\servlets-ssi.jar.
* in %CATALINA_HOME%\conf\web.xml, uncomment the servlet declarations starting
line 165 and 213, as well as the associated servlet mappings
line 265 and 274. Alternately, these servlet declarations and mappings can
be added to your web application deployment descriptor.
On Unix:
* rename the file $CATALINA_HOME/server/lib/servlets-cgi.renametojar to
$CATALINA_HOME/server/lib/servlets-cgi.jar.
* rename the file $CATALINA_HOME/server/lib/servlets-ssi.renametojar to
$CATALINA_HOME/server/lib/servlets-ssi.jar.
* in $CATALINA_HOME/conf/web.xml, uncomment the servlet declarations starting
line 165 and 213, as well as the associated servlet mappings
line 265 and 274. Alternately, these servlet declarations and mappings can
be added to your web application deployment descriptor.
---------------------
Security manager URLs:
---------------------
The URLs to be used in the policy file to grant permissions to JARs located
inside the web application repositories have changed in Tomcat 4.1.
In Tomcat 4.0, codeBase URLs for JARs loaded from web application
repositories were:
jar:file:${catalina.home}/webapps/examples/WEB-INF/lib/driver.jar!/-
In Tomcat 4.1, they should be:
file:${catalina.home}/webapps/examples/WEB-INF/lib/driver.jar
---------------------------
Symlinking static resources:
---------------------------
Unix symlinks will not work when used in a web application to link resources
located outside the web application root directory.
This behavior is optional, and the "allowLinking" flag may be used to disable
the check.
------------------------
Enabling invoker servlet:
------------------------
Starting with Tomcat 4.1.12, the invoker servlet is no longer available by
default in all webapp. Enabling it for all webapps is possible by editing
$CATALINA_HOME/conf/web.xml to uncomment the "/servlet/*" servlet-mapping
definition.
Using the invoker servlet in a production environment is not recommended and
is unsupported.
-----------------------------
Using the JSP Compiler (JSPC):
-----------------------------
Using the command line script is not recommended when using JSPC. Instead,
using Ant is supported and encouraged. Please see the Jasper documentation
in the Tomcat documentation bundle for more instructions as well as
a build script.