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Re: [tycho-user] How to perform a heap dump before tests are killed after ${surefire.timeout}?
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JVM option
-XX:+HeapDumpOnOutOfMemoryError
should do it [1]
Jan
[1] http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html
-----Original Message-----
From: tycho-user-bounces@xxxxxxxxxxx [mailto:tycho-user-bounces@xxxxxxxxxxx] On Behalf Of Bernd.Vogt@xxxxxxxxxxxx
Sent: Dienstag, 19. Februar 2013 10:11
To: tycho-user@xxxxxxxxxxx
Subject: [tycho-user] How to perform a heap dump before tests are killed after ${surefire.timeout}?
Hello,
we have problems with several non-deterministic unit tests. From time to time some tests remain stuck and are killed after ${surefire.timeout}. We believe that the cause is a classical deadlock within our code. But to analyze the actual problem, we need a heap dump from the test jvm before it gets killed by Tycho.
To do this, it would be nice to be able to specified a command line which is executed before the test process is killed. So, we could use jmap to perform the heap dump :)
Is this an appropriate feature for Tycho? If yes I'll open a bugzilla for it.
Is there any other appropriate solution to perform a heap dump before the test jvm is killed from outside?
Best regards
Bernd Vogt
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