how much memory is your process using when it crashes ? -r
Michael Cornell wrote:
Hi,
Hi,
I am experiencing a problem many others seem to have had before, but have found no answers. I am running Tomcat 5.0.25 using jdk 1.4.2_06 hotspot vm on RedHat Linux ES with 4G Ram and twin Intel procs.
When load-testing, under high stress I receive the error below and the thread dies.
04-Feb-2005 13:39:24 org.apache.coyote.tomcat5.CoyoteAdapter service SEVERE: An exception or error occurred in the container during the request processing java.lang.OutOfMemoryError at java.util.zip.ZipFile.open(Native Method) at java.util.zip.ZipFile.<init>(ZipFile.java:112) at java.util.jar.JarFile.<init>(JarFile.java:127) ..
I have adjusted the vm parameters to the below ( the perm space does not get full and the Xint to not use the optimised settings.. -server -Xms1G -Xmx1G -Xmn384m -XX:SurvivorRatio=7 -XX:PermSize=64m -XX:MaxPermSize=128m -Xint
In addition I have added the" reloading=false and development=false in conf/web.xml. " as per instruction from this thread: http://www.junlu.com/msg/78566.html
My connector is configured thus: <Connector port="80" maxThreads="1000" minSpareThreads="1000" maxSpareThreads="1000" enableLookups="false" redirectPort="8443" acceptCount="3000" debug="0" connectionTimeout="20000" disableUploadTimeout="true" />
However all of this is to no avail, and under high stress (80+ concurrent requests, tomcat dies and terminates the thread dumping a hs_pid12345.log with the above message
Is this a known hotspot 1.4.x problem (some threads have hinted at this), or does someone have a solution for this??
Thanks,
M
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