Alexander Rukletsov updated MESOS-7872:
          Sprint: Mesosphere Sprint 61
    Story Points: 3

> Scheduler hang when registration fails (due to bad role)
> --------------------------------------------------------
>                 Key: MESOS-7872
>                 URL: https://issues.apache.org/jira/browse/MESOS-7872
>             Project: Mesos
>          Issue Type: Bug
>          Components: scheduler driver
>    Affects Versions: 1.4.0
>            Reporter: Till Toenshoff
>            Assignee: Alexander Rukletsov
>              Labels: framework, reliability, scheduler
> I'm finding that if framework registration fails, the mesos driver client 
> will hang indefinitely with the following output:
> {noformat}
> I0809 20:04:22.479391    73 sched.cpp:1187] Got error ''FrameworkInfo.role' 
> is not a valid role: Role '/test/role/slashes' cannot start with a slash'
> I0809 20:04:22.479658    73 sched.cpp:2055] Asked to abort the driver
> I0809 20:04:22.479843    73 sched.cpp:1233] Aborting framework 
> {noformat}
> I'd have expected one or both of the following:
> - SchedulerDriver.run() should have exited with a failed Proto.Status of some 
> form
> - Scheduler.error() should have been invoked when the "Got error" occurred
> Steps to reproduce:
> - Launch a scheduler instance, have it register with a known-bad framework 
> info. In this case a role containing slashes was used
> - Observe that the scheduler continues in a TASK_RUNNING state despite the 
> failed registration. From all appearances it looks like the Scheduler 
> implementation isn't invoked at all
> I'd guess that because this failure happens before framework registration, 
> there's some error handling that isn't fully initialized at this point.

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