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Terminate the JVM when resources are exhausted
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jvmkill is a simple JVMTI agent that forcibly terminates the JVM when it is unable to allocate memory or create a thread. This is important for reliability purposes: an OutOfMemoryError will often leave the JVM in an inconsistent state. Terminating the JVM will allow it to be restarted by an external process manager.

It is often useful to automatically dump the Java heap using the -XX:+HeapDumpOnOutOfMemoryError JVM argument. This agent will be notified and terminate the JVM after the heap dump completes.

A common alternative to this agent is to use the -XX:OnOutOfMemoryError JVM argument to execute a kill -9 command. Unfortunately, the JVM uses the fork() system call to execute the kill command and that system call can fail for large JVMs due to memory overcommit limits in the operating system. This is the problem that motivated the development of this agent.


make JAVA_HOME=/path/to/jdk


Run Java with the agent added as a JVM argument:


Alternatively, if modifying the Java command line is not possible, the above may be added to the JAVA_TOOL_OPTIONS environment variable.

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