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https://issues.apache.org/jira/browse/MESOS-3070?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Klaus Ma updated MESOS-3070:
----------------------------
Shepherd: Vinod Kone
> Master CHECK failure if a framework uses duplicated task id.
> ------------------------------------------------------------
>
> Key: MESOS-3070
> URL: https://issues.apache.org/jira/browse/MESOS-3070
> Project: Mesos
> Issue Type: Bug
> Components: master
> Affects Versions: 0.22.1
> Reporter: Jie Yu
> Assignee: Klaus Ma
>
> We observed this in one of our testing cluster.
> One framework (under development) keeps launching tasks using the same
> task_id. We don't expect the master to crash even if the framework is not
> doing what it's supposed to do. However, under a series of events, this could
> happen and keeps crashing the master.
> 1) frameworkA launches task 'task_id_1' on slaveA
> 2) master fails over
> 3) slaveA has not re-registered yet
> 4) frameworkA re-registered and launches task 'task_id_1' on slaveB
> 5) slaveA re-registering and add task "task_id_1' to frameworkA
> 6) CHECK failure in addTask
> {noformat}
> I0716 21:52:50.759305 28805 master.hpp:159] Adding task 'task_id_1' with
> resources cpus(*):4; mem(*):32768 on slave
> 20150417-232509-1735470090-5050-48870-S25 (hostname)
> ...
> ...
> F0716 21:52:50.760136 28805 master.hpp:362] Check failed:
> !tasks.contains(task->task_id()) Duplicate task 'task_id_1' of framework
> <framework_id>
> {noformat}
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