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Steve Pozarycki

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This article will provide some useful tips for debugging your BEA WebLogic Server applications when a system core file occurs. It describes debugging tips, problem troubleshooting, and tools available to assist you in this process. A system core file is usually indicative of an error in some native code. This could be from the application code of a user (if you are using native code [JNI] in your application), an error in the Java Virtual Machine version you are using, or in BEA WebLogic Server itself. There are a couple of places where native code could have caused the system core file to happen on your operating system. The following ideas and suggestions will help narrow the problem and stabilize the application until the exact cause of the system core can be determined. The Java Virtual Machine The first place to look is at the JVM itself. The JVM is a native pr... (more)

'StackOverFlow' Issues in BEA WebLogic Server

A "StackOverFlow" message is usually indicative of an error in the application code of the user, an error in the Java Virtual Machine, or in BEA WebLogic Server itself. This message is usually seen right before a Java Virtual Machine core dump or the WebLogic Server process just "goes away." It is because of either an unintentional recursive call in user/application code or a scenario where arrays of arrays of Objects can cause the stack to overflow (there are bug reports on http://java.sun.com about these types of issues). This is unfortunate, as it may require programmers to t... (more)