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https://issues.apache.org/jira/browse/IMPALA-10003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17164013#comment-17164013
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Tim Armstrong commented on IMPALA-10003:
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This would happen if a query fragment is running past the end of a different
test. It's a little annoying to figure out what the root cause, since it could
have been any number of previous tests, but you can do it.
You can usually start to debug it by looking at the debug UI state that was
dumped out, identifying the running query ID, then searching the logs for that
query.
> TestValidateMetrics.test_metrics_are_zero fails with num-fragments-in-flight
> not reaching zero
> ----------------------------------------------------------------------------------------------
>
> Key: IMPALA-10003
> URL: https://issues.apache.org/jira/browse/IMPALA-10003
> Project: IMPALA
> Issue Type: Bug
> Reporter: Fang-Yu Rao
> Assignee: Joe McDonnell
> Priority: Critical
> Labels: broken-build, flaky
>
> We have seen the test of failed with the following error message.
> {code:java}
> AssertionError: Metric value impala-server.num-fragments-in-flight did not
> reach value 0 in 60s
> {code}
> The error message is the same as the one reported in IMPALA-9842, which has
> been resolved already. A follow-up JIRA is also created at IMPALA-9864 to
> produce minidump when this end-to-end test fails.
> In this regard, we create a new JIRA to keep track of the issue.
> [~joemcdonnell] and [~tarmstrong] helped with resolving the issue of
> IMPALA-9842. Maybe you could provide some insight into the problem. Assign
> the JIRA to [~joemcdonnell] for now, but please feel free to assign it to
> other as you see appropriate. Thanks!
>
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