[jira] [Created] (FLINK-4413) Improve savepoint restore error messages

[Shang Yuanchun (Jira)]

Gyula Fora created FLINK-4413:
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             Summary: Improve savepoint restore error messages
                 Key: FLINK-4413
                 URL: https://issues.apache.org/jira/browse/FLINK-4413
             Project: Flink
          Issue Type: Improvement
          Components: State Backends, Checkpointing, Streaming
    Affects Versions: 1.1.0
            Reporter: Gyula Fora
            Priority: Minor


Currently when savepoint restore fails due to some problems with parallelism or the assigned uids the error messages contain all the job vertex id of the problematic task.

This makes these kind of problems very difficult to debug for more complex topologies.

I propose to add the user assigned task names to these error messages to make this much easier for users.



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