Hi there, We're upgrading mesos from 0.28.2 to 1.0.2 and we found an interesting problem.
We followed the official upgrade guide so first upgrade 2 following mesos-master, and then the leading master. Once the leading master upgraded, the leader switched to another 1.0.2 mesos-master. Now, stop here. we found that the leading master does below from its log. ``` ... Adding task ... Adding task ... ... SUBSRIBE framework SUBSRIBE framework ... ``` So the problem is when it adding existed tasks, it can not found corresponding framework, so the task becomes **Orphan**. Is this a known preempt issue or am I missing anything? -- Thanks, Chengwei
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