Different Out Of Memory Issues

* Exception in thread “CompilerThread1” java.lang.OutOfMemoryError: requested 793020 bytes for Chunk::new. Out of swap space? Out of memory while reading in symbol table of /apps/bea/weblogic92/jdk1.5.0.18/opt/java1.5/jre/lib/PA_RISC2.0/server/libjvm.sl ( 0)  0xc8461230     [/apps/bea/weblogic92/jdk1.5.0.18/opt/java1.5/jre/lib/PA_RISC2.0/server/libjvm.sl] ( 1)  0xc80a5fec     [/apps/bea/weblogic92/jdk1.5.0.18/opt/java1.5/jre/lib/PA_RISC2.0/server/libjvm.sl] ( 2)  0xc7f00420     [/apps/bea/weblogic92/jdk1.5.0.18/opt/java1.5/jre/lib/PA_RISC2.0/server/libjvm.sl] ( 3)  0xc7f00ca0    

Continue reading

WebLogic Server Debug Flags

These debug flags are added in the JAVA_OPTIONS in the start script of the server as: -Dweblogic.debug.DebugJMSBackEnd=true for example. 1—Application related debugs: Application deployment: (Gives all the information about internal activities when the application is being deployed) MasterDeployer ApplicationContainer DebugAppContainer

Continue reading

Investigating High CPU Usage with Weblogic on Solaris

1 )First determine the Weblogic Server Process id /usr/ucb/ps -auxwww | grep java faiz 8448 1.2 24.025954081965448 ? R Sep 21 249:19 /bea10/jdk1.6.0_14/bin/sparcv9/java -server -Xms2048m -Xmx2048m -verbose:gc -XX:PermSize=256m -XX:MaxPermSize=256m -XX:+UseParallelGC -XX:NewRatio=3 -da -Dplatform.home=/web_apps/bea10/wlserver_10.3 -Dwls.home=/web_apps/bea10/wlserver_10.3/server -Dweblogic.home=/web_apps/bea10/wlserver_10.3/server -Dweblogic.management.discover=false -Dweblogic.management.server=http://xx.xx.xx.xx:10000 -Dwlw.iterativeDev=false -Dwlw.testConsole=false -Dwlw.logErrorsToConsole=

Continue reading

Troubleshooting too many open files issues

Servlet failed with IOExceptionjava.io.FileNotFoundException:(Too many open files)at java.io.FileInputStream.open(Native Method)at java.io.FileInputStream.(FileInputStream.java:106)at weblogic.utils.classloaders.FileSource.getInputStream(FileSource.java:31)at weblogic.servlet.internal.WarSource.getInputStream(WarSource.java:65)at weblogic.servlet.FileServlet.sendFile(FileServlet.java:400) In this post i’ll try to give some general guidelines on how to go about troubleshooting Too many open files exception File descriptors are handles used by

Continue reading