How to Analyze verbosegc of IBM JDK

  We can use IBM Pattern Modeling and Analysis Tool for this purpose. Its a very simple and effective tool to analyze gc activity. It provides many views like graph view, chart view and analysis view. Details and download link can be found here Download the software from the link

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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     [/apps/bea/weblogic92/jdk1.5.0.18/opt/java1.5/jre/lib/PA_RISC2.0/server/libjvm.sl] ( 4)  0xc8368d08     [/apps/bea/weblogic92/jdk1.5.0.18/opt/java1.5/jre/lib/PA_RISC2.0/server/libjvm.sl] ( 5)  0xc005b2e4   __pthread_body +

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