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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