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https://issues.apache.org/jira/browse/LUCENE-4510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17204490#comment-17204490
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Dawid Weiss commented on LUCENE-4510:
-------------------------------------
Even a signal doesn't always work, sadly. I think we will need to roll out a
custom test runner (or modify the one in gradle) eventually because of the
inability to collect early internal JVM logs and security auditing. These are
fun things to work on. You need to invent a time-stretching appliance in that
basement of yours, Mike, then I'll be happy to do 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
> Priority: Major
>
> 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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