Oracle WebLogic Server 11g Administration Handbook

JVM Crashes

A JVM crash can occur for any number of reasons, including an inefficient garbage collection policy (more on this in Chapter 10), low memory, extensive code optimization, and so on. When the JVM crashes, the operating system usually (but not always) generates a core dump, usually a large file that may reach several gigabytes in size and that is, of course, in a binary format, just as any operating system core dump. Core dumps contain the errors and exceptions that crashed the JVM, along with the threads associated with the crash. In a UNIX server, you often will find the core dump in the /tmp directory or in the directory from where you started the server. Core dumps usually are specific to an operating system, so you must send those ...