[jira] [Created] (MESOS-365) Master check failure.

["Benjamin Mahler (JIRA)" <ji...@apache.org>]

Benjamin Mahler created MESOS-365:
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             Summary: Master check failure.
                 Key: MESOS-365
                 URL: https://issues.apache.org/jira/browse/MESOS-365
             Project: Mesos
          Issue Type: Bug
            Reporter: Benjamin Mahler
            Priority: Critical


In a test cluster under scale testing, during a roll of the masters, one of the newly elected masters failed with this:

I0227 23:50:48.406574  1584 master.cpp:822] Asked to kill task 1362008747374-wickman-seizure-4-933a8193-96b1-411f-9392-3e4bd2cda6f0 of framework 201103282247-0000000019-0000
F0227 23:50:48.406697  1584 master.cpp:830] Check failed: slave != NULL 
*** Check failure stack trace: ***
    @     0x7fb439418e6d  google::LogMessage::Fail()
    @     0x7fb43941ead7  google::LogMessage::SendToLog()
    @     0x7fb43941a71c  google::LogMessage::Flush()
    @     0x7fb43941a986  google::LogMessageFatal::~LogMessageFatal()
    @     0x7fb43908b176  mesos::internal::master::Master::killTask()
    @     0x7fb4390c4645  ProtobufProcess<>::handler2<>()
    @     0x7fb439090b27  std::tr1::_Function_handler<>::_M_invoke()
    @     0x7fb4390c5b6b  ProtobufProcess<>::visit()
    @     0x7fb4392e2624  process::MessageEvent::visit()
    @     0x7fb4392d68cd  process::ProcessManager::resume()
    @     0x7fb4392d7118  process::schedule()
    @     0x7fb4389f573d  start_thread
    @     0x7fb4373d9f6d  clone

Looks like this CHECK is too aggressive, as it's possible for a newly rolled master to not have all of the slave's registered yet?

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