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Posted to issues@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2017/06/29 16:40:00 UTC

[jira] [Created] (FLINK-7041) Deserialize StateBackend from JobCheckpointingSettings with user classloader

Aljoscha Krettek created FLINK-7041:
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             Summary: Deserialize StateBackend from JobCheckpointingSettings with user classloader
                 Key: FLINK-7041
                 URL: https://issues.apache.org/jira/browse/FLINK-7041
             Project: Flink
          Issue Type: Bug
          Components: DataStream API, Distributed Coordination, State Backends, Checkpointing
    Affects Versions: 1.3.1, 1.3.0
            Reporter: Aljoscha Krettek
            Priority: Blocker
             Fix For: 1.3.2


A user ran into the problem that the {{SubmitJob}} message is not (de)serialisable if it contains custom RocksDB options (or a custom state backend): [1]

The problem is that {{SubmitJob}} contains a {{JobGraph}} which contains {{JobCheckpointingSettings}} which contains a {{StateBackend}}. This {{StateBackend}} potentially has user code and therefore can only be deserialised with the user classloader.

This issue is mostly identical to FLINK-6531.

[1] https://lists.apache.org/thread.html/69bb573787258ab34c3dc56ac155052f099d75e62d805f463bde5621@%3Cuser.flink.apache.org%3E



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