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From r...@apache.org
Subject cvs commit: jakarta-tomcat-5 RELEASE-NOTES
Date Mon, 30 Aug 2004 21:32:04 GMT
remm        2004/08/30 14:32:04

  Modified:    .        RELEASE-NOTES
  Log:
  - A lot of information seemed stale, as we voted to use the API from J2SE 1.4.
  
  Revision  Changes    Path
  1.23      +17 -51    jakarta-tomcat-5/RELEASE-NOTES
  
  Index: RELEASE-NOTES
  ===================================================================
  RCS file: /home/cvs/jakarta-tomcat-5/RELEASE-NOTES,v
  retrieving revision 1.22
  retrieving revision 1.23
  diff -u -r1.22 -r1.23
  --- RELEASE-NOTES	30 Aug 2004 17:36:48 -0000	1.22
  +++ RELEASE-NOTES	30 Aug 2004 21:32:04 -0000	1.23
  @@ -14,7 +14,6 @@
   * Dependency Changes
   * JNI Based Applications
   * Bundled APIs
  -* XML Parsers
   * Web application reloading and static fields in shared libraries
   * JAVAC leaking memory
   * Tomcat on Linux
  @@ -30,21 +29,21 @@
   Dependency Changes:
   ===================
   Tomcat 5.5 is designed to run on J2SE 5.0 and later, and requires
  -configuration to run on J2SE versions 1.3 and 1.4.  Make sure to 
  -read the "RUNNING.txt" file in this directory if you are using
  -J2SE version 1.3 or 1.4.
  +configuration to run on J2SE 1.4.  Make sure to read the "RUNNING.txt" 
  +file in this directory if you are using J2SE 1.4.
   
  -In addition, Tomcat 5.5 depends on the Eclipse JDT for compiling
  +In addition, Tomcat 5.5 uses the Eclipse JDT Java compiler for compiling
   JSP pages.  This means you no longer need to have the complete
   Java Development Kit (JDK) to run Tomcat, but a Java Runtime Environment
  -(JRE) is sufficient.  The Eclipse JDT is bundled with the binary
  -Tomcat distributions.
  +(JRE) is sufficient.  The Eclipse JDT Java compiler is bundled with the 
  +binary Tomcat distributions.  Tomcat can also be configured to use the
  +compiler from the JDK to compile JSPs, or any other Java compiler supported 
  +by Apache Ant.
   
   
   =======================
   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:
   
  @@ -66,7 +65,6 @@
   =============
   Bundled APIs:
   =============
  -
   A standard installation of Tomcat 5.5 makes all of the following APIs available
   for use by web applications (by placing them in "common/lib" or "shared/lib"):
   * commons-el.jar (Commons Expression Language 1.0)
  @@ -82,7 +80,8 @@
   * naming-resources.jar (JNDI DirContext implementations)
   * servlet-api.jar (Servlet 2.4 API)
   
  -Installing the compatibility package will add the following to the list:
  +Installing the compatibility package will add the following to the list, which are
  +needed when running on J2SE 1.4:
   * jmx.jar (Java Management Extensions API 1.2 or later)
   * xercesImpl.jar (Xerces XML Parser, version 2.6.2 or later)
   
  @@ -90,32 +89,14 @@
   putting unpacked classes into a "classes" directory (not created by default),
   or by placing them in JAR files in the "lib" directory.
   
  -To override the XML parser implementation or interfaces, see the section below.
  -
  -Please note that the JMX API is required by Tomcat while starting up, and thus
  -is in Tomcat's bootstrap classpath and placed in the $CATALINA_HOME/bin directory.
  -
  -
  -============
  -XML Parsers:
  -============
  -
  -As described above, Tomcat 5.5 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 1.2 APIs.
  -
  -On a related note, JDK 1.4 includes Xalan.  If you run into Xalan-related
  -problems, try downloading the latest Xalan version (from 
  -http://xml.apache.org/xalan-j/index.html) and placing the Xalan jar file
  -in the common/endorsed directory.
  +To override the XML parser implementation or interfaces, use the endorsed
  +mechanism of the JVM. The default configuration defines JARs located in 
  +"common/endorsed" as endorsed.
   
   
   ================================================================
   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
  @@ -130,7 +111,6 @@
   =====================
   JAVAC leaking memory:
   =====================
  -
   The Java compiler leaks memory each time a class is compiled. Web applications
   containing hundreds of JSP files may as a result trigger out of memory errors
   once a significant number of pages have been accessed. The memory can only be
  @@ -144,26 +124,17 @@
   ================
   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 may also define an environment variable:
  +GLIBC 2.2 / Linux 2.4 users should define an environment variable:
   export LD_ASSUME_KERNEL=2.2.5
   
  -Additionally, Redhat Linux 9.0 users should use the same setting, to avoid
  -stability problems.
  +Redhat Linux 9.0 users should use the following setting to avoid
  +stability problems:
  +export LD_ASSUME_KERNEL=2.4.1
   
   
   =============================
   Enabling SSI and CGI Support:
   =============================
  -
   Because of the security risks associated with CGI and SSI available
   to web applications, these features are disabled by default.  
   
  @@ -175,7 +146,6 @@
   ======================
   Security manager URLs:
   ======================
  -
   In order to grant security permissions to JARs located inside the
   web application repository, use URLs of of the following format
   in your policy file:
  @@ -186,7 +156,6 @@
   ============================
   Symlinking static resources:
   ============================
  -
   By default, Unix symlinks will not work when used in a web application to link
   resources located outside the web application root directory.
   
  @@ -197,7 +166,6 @@
   =========================
   Enabling invoker servlet:
   =========================
  -
   Starting with Tomcat 4.1.12, the invoker servlet is no longer available by
   default in all webapps. Enabling it for all webapps is possible by editing
   $CATALINA_HOME/conf/web.xml to uncomment the "/servlet/*" servlet-mapping
  @@ -211,13 +179,11 @@
   ==============================
   Viewing the Tomcat Change Log:
   ==============================
  -
   See changelog.html in this directory.
   
   
   ====================
   When all else fails:
   ====================
  -
   See the FAQ
   http://jakarta.apache.org/tomcat/faq/
  
  
  

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