IBM User Guide for Java V7 on Windows > Troubleshooting and support > Using diagnostic tools > Using Javadump

Environment variables and Javadump

Although the preferred mechanism of controlling the production of Javadumps is now by the use of dump agents using -Xdump:java, you can also use the previous mechanism, environment variables.

The following table details environment variables specifically concerned with Javadump production:

Environment Variable	Usage Information
DISABLE_JAVADUMP	Setting DISABLE_JAVADUMP to true is the equivalent of using –Xdump:java:none and stops the default production of javadumps.
IBM_JAVACOREDIR	The default location into which the Javacore will be written.
JAVA_DUMP_OPTS	Use this environment variable to control the conditions under which Javadumps (and other dumps) are produced. See Dump agent environment variables for more information.
IBM_JAVADUMP_OUTOFMEMORY	By setting this environment variable to false, you disable Javadumps for an out-of-memory exception.

Parent: Using Javadump

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