[jira] [Created] (FLINK-5437) Make CheckpointedRestoring error message more detailed

[Shang Yuanchun (Jira)]

Ufuk Celebi created FLINK-5437:
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             Summary: Make CheckpointedRestoring error message more detailed
                 Key: FLINK-5437
                 URL: https://issues.apache.org/jira/browse/FLINK-5437
             Project: Flink
          Issue Type: Improvement
          Components: State Backends, Checkpointing
            Reporter: Ufuk Celebi
            Priority: Minor


When restoring Checkpointed state without implementing CheckpointedRestoring, the job fails with the following Exception:
{code}
java.lang.Exception: Found UDF state but operator is not instance of CheckpointedRestoring
{code}

I think we should make this error message more detailed.



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