Important Tools to Troubleshoot Java related issues in WebSphere Application Server
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A wealth of valuable JVM diagnostic data can be gathered by doing the following tasks:
In the overall process of problem determination, diagnostic data must be collected or generated, and the data must be analyzed. Various tools are available to help you analyze diagnostic data for solving problems. Below are the links for the analysis of javacore, verbosegc, heapdump, system dump and snap trc files.
The trace formatter is a Java program that runs on any platform and can format a trace file from any platform. The formatter, which is shipped with the SDK in core.jar, also requires a file called TraceFormat.dat, that contains the formatting templates. This file is shipped in JAVA_HOME/jre/lib.