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https://issues.apache.org/jira/browse/MESOS-7966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16493528#comment-16493528
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Matthew Mead-Briggs commented on MESOS-7966:
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Thanks for taking a look at this [~bennoe], I'll have a read of the code and
see if I can follow what you describe.
I think the logs I shared already contain those log lines unless I've missed
something? I've also dumped the unfiltered logs in a private Slack channel on
the mesosphere slack if you prefer to filter yourself.
Also, we are running 1.4.1 although I don't expect that makes a lot of
difference.
> check for maintenance on agent causes fatal error
> -------------------------------------------------
>
> Key: MESOS-7966
> URL: https://issues.apache.org/jira/browse/MESOS-7966
> Project: Mesos
> Issue Type: Bug
> Components: master
> Affects Versions: 1.1.0
> Reporter: Rob Johnson
> Assignee: Joseph Wu
> Priority: Critical
> Labels: mesosphere, reliability
>
> We interact with the maintenance API frequently to orchestrate gracefully
> draining agents of tasks without impacting service availability.
> Occasionally we seem to trigger a fatal error in Mesos when interacting with
> the api. This happens relatively frequently, and impacts us when downstream
> frameworks (marathon) react badly to leader elections.
> Here is the log line that we see when the master dies:
> {code}
> F0911 12:18:49.543401 123748 hierarchical.cpp:872] Check failed:
> slaves[slaveId].maintenance.isSome()
> {code}
> It's quite possibly we're using the maintenance API in the wrong way. We're
> happy to provide any other logs you need - please let me know what would be
> useful for debugging.
> Thanks.
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