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

["Tzu-Li (Gordon) Tai (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-7041?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tzu-Li (Gordon) Tai resolved FLINK-7041.
----------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.4.0

Fixed for master via 64c6fa70f53425d09717e1560db88d5733601c24.
Fixed for 1.3 via 78bbb844a0b33d4297e9fa1044401a51e219fcfa.

> 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: 1.3.0, 1.3.1
>            Reporter: Aljoscha Krettek
>            Assignee: Aljoscha Krettek
>            Priority: Blocker
>             Fix For: 1.4.0, 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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