https://issues.apache.org/bugzilla/show_bug.cgi?id=48358
--- Comment #15 from Christian Brandel <cbran...@gmx.de> 2010-12-02 10:00:12
EST ---
Tha patch applies cleanly to 6.0.29 from the src archive.
However it does not work for me the way I expected it and I am still facing
PermGen Out Of Memory errors.
- The counters in the JspMonitor MBean for jspCount, jspReloadCount,
jspUnloadCount, jspQueueLength were updated appropriately
- When running with -XX:+TraceClassUnloading I did not see any org.apache.jsp.*
classes being unloaded until I shut down the Tomcat process
- Looking at a Heap Dump written at the time of the crash, I saw 337 instances
of org.apache.jsp.xxx classes being held while I configured the maxLoadedJSPs
to be 200
Are there any additional settings that have to be adapted? My current settings
are:
Java 1.6 32bit on Windows 2003 Server with the following settings (memory
parameters are set to small values to shorten the time until tomcat crashes)
-Xms256m -Xmx256m
-XX:MaxPermSize=48M
-XX:+UseConcMarkSweepGC
-XX:+CMSIncrementalMode
-XX:+CMSClassUnloadingEnabled
-XX:+CMSPermGenSweepingEnabled
-XX:+PrintGCDetails
-XX:+PrintGCTimeStamps
-XX:+HeapDumpOnOutOfMemoryError
-XX:HeapDumpPath=E:\logs\wcmInternet\ContentProxy1\tomcat
-Dorg.apache.jasper.compiler.Parser.STRICT_QUOTE_ESCAPING=false
-Dorg.apache.jasper.runtime.BodyContentImpl.LIMIT_BUFFER=true
-Dorg.apache.jasper.runtime.BodyContentImpl.USE_POOL=false
-XX:+TraceClassUnloading
Global web.xml:
<servlet>
<servlet-name>jsp</servlet-name>
<servlet-class>org.apache.jasper.servlet.JspServlet</servlet-class>
<init-param>
<param-name>fork</param-name>
<param-value>false</param-value>
</init-param>
<init-param>
<param-name>development</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>enablePooling</param-name>
<param-value>false</param-value>
</init-param>
<init-param>
<param-name>modificationTestInterval</param-name>
<param-value>0</param-value>
</init-param>
<init-param>
<param-name>genStringAsCharArray</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>xpoweredBy</param-name>
<param-value>false</param-value>
</init-param>
<init-param>
<param-name>maxLoadedJsps</param-name>
<param-value>200</param-value>
</init-param>
<load-on-startup>3</load-on-startup>
</servlet>
Side note: If this is not the correct place to discuss this, I'm happy to
continue it elsewhere.
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