Java Virtual Machine (JVM) Crash on Mac OS X
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Problem

Oxygen XML Editor crashed the Apple Java virtual machine or it could not start up on my OS X computer due to a JVM crash.

Cause

Usually it is an incompatibility between the Apple JVM and a native library of the host system. More details are available in the crash log file generated by OS X and reported in the crash error message.

Solution

If this happens, it is best to send a copy of the logs via email to support@oxygenxml.com. Usually, the operating system will offer a prompt that allows you to see the logs. If not, you should be able to find the logs in the Console app (Applications > Utilities, under ~/Library/Logs/DiagnosticReports. They are usually named JavaApplicationStub*.crash/.hang.