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RootCause shows signal 11 during my Java application run, but there was no crash. Is this a valid signal 11?

April 26, 2017application crash Java rootcause run shows signal valid

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RootCause shows signal 11 during my Java application run, but there was no crash. Is this a valid signal 11?

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Yes. The JVM routinely uses signal 11 (perhaps for extending the stack) and signal 4 (illegal instruction — not sure what that’s for). These can show up in the trace and are fine. Later versions of the JVM provide options for reducing its use of signals; you can search java.sun.com for details.