7.4.4 Other analysis tools There are many other dump analysis tools, such as jextract, Dumpviewer, GlowCode, HAT, HeapWizard, JProbe, JSwat, Process Explorer, and so forth. More information about these tools is in IBM Developer Kit and Runtime Environment, Java 2 Technology Edition, Version 1.4.2 Diagnostic Guide, SC34-6358. 7.5 Problem determination scenarios This section gives an overview of problem determination scenarios. 7.5.1 Diagnose crashes A crash should occur only because of a fault in the JVM, or because of a fault in JNI code that is being run inside the Java process. SYSTDUMP and JAVADUMP are collected to determine the failing functions and find the root cause. The svcdump.jar is used for dump analysis. 7.5.2 Debugging hangs