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https://issues.apache.org/jira/browse/LUCENE-4510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13526355#comment-13526355
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Uwe Schindler commented on LUCENE-4510:
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bq. Actually getting to the step of printing the PID in the heartbeat message
would be really useful!
The PID is accessible! The parent process cannot get id (the PID of forked
process), but the child JVM can get its own PID using the javax.management API.
I have to lookup example code. So the child JVM could print it on starting up.
> 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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