Till Rohrmann created FLINK-16408:
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Summary: Bind user code class loader to lifetime of a slot
Key: FLINK-16408
URL: https://issues.apache.org/jira/browse/FLINK-16408
Project: Flink
Issue Type: Improvement
Components: Runtime / Coordination
Affects Versions: 1.10.0, 1.9.2
Reporter: Till Rohrmann
Fix For: 1.10.1, 1.11.0
In order to avoid class leaks due to creating multiple user code class loaders
and loading class multiple times in a recovery case, I would suggest to bind
the lifetime of a user code class loader to the lifetime of a slot. More
precisely, the user code class loader should live at most as long as the slot
which is using it.
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