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https://issues.apache.org/jira/browse/FLINK-23649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yun Tang resolved FLINK-23649.
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Resolution: Fixed
Merged in master:
d57d9f84d84408547e00f3a715e8f05b4408af11
> Add RocksDB packages to parent-first classloading patterns.
> -----------------------------------------------------------
>
> Key: FLINK-23649
> URL: https://issues.apache.org/jira/browse/FLINK-23649
> Project: Flink
> Issue Type: Bug
> Components: API / Core
> Affects Versions: 1.13.2
> Reporter: Stephan Ewen
> Assignee: Yun Tang
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.14.0
>
>
> RocksDB classes are currently loaded child-first.
> Because of that, it can happen that the RocksDB library is attempted to be
> loaded multiple times (by different classloaders).
> That is prevented by JNI and results in an error as reported in this mail for
> example
> https://lists.apache.org/x/thread.html/rbc3ca24efe13b25e802af9739a6877276503363ffbdc5914ffdad7be@%3Cuser.flink.apache.org%3E
> We should prevent accidental repeated loading of RocksDB, because we rely on
> the fact that only one DB is created per task.
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