WebLogic Pro - Investigate JVM Crashes: "A JVM is an ordinary process like any other, and it can sometimes terminate unexpectedly. Java has built-in support for handling exceptions, and JVMs can tolerate run-of-the-mill problems better than most. The very exceptional nature of a JVM crash makes it both interesting and important to determine its root cause, since it can be indicative of a serious problem.
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A core dump is created usually when a process crashes. A core dump file is a memory map of the running process, and it saves the state of the application at the time of its termination. Therefore, it is important probably the most important evidence in determining why the JVM crashed.
Sometimes, however, a core dump is not created, which is like a missing body in a murder mystery, and we are forced to fall back on circumstantial evidence (and sometimes reenact the murder) to determine just what killed the JVM. This scenario is what we'll address here."
Thursday, March 31, 2005
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