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https://issues.apache.org/jira/browse/LUCENE-4510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13485496#comment-13485496
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Dawid Weiss commented on LUCENE-4510:
-------------------------------------
Funnily -- that's the hardest part about it... there's just no API to get a PID
of the forked process -- I think I've seen a patch to JDK 1.8 somewhere that
adds it but for now there's just none. It'd have to be platform-specific
trickery to get it.
> when a test's heart beats it should also throw up (dump stack of all threads)
> -----------------------------------------------------------------------------
>
> Key: LUCENE-4510
> URL: https://issues.apache.org/jira/browse/LUCENE-4510
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Michael McCandless
> Assignee: Dawid Weiss
>
> We've had numerous cases where tests were hung but the "operator" of that
> particular Jenkins instance struggles to properly get a stack dump for all
> threads and eg accidentally kills the process instead (rather awful that the
> same powerful tool "kill" can be used to get stack traces and to destroy the
> process...).
> Is there some way the test infra could do this for us, eg when it prints the
> HEARTBEAT message?
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