dawidwys commented on a change in pull request #13249:
URL: https://github.com/apache/flink/pull/13249#discussion_r481031562
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
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@@ -1180,6 +1181,14 @@ public final CloseableRegistry getCancelables() {
}
}
+ // Clones the partition to avoid multiple stream edges sharing
the same stream partitioner,
+ // like the case of
https://issues.apache.org/jira/browse/FLINK-14087.
+ try {
+ outputPartitioner =
InstantiationUtil.clone(outputPartitioner,
Thread.currentThread().getContextClassLoader());
Review comment:
In my opinion we should clone the partitioner before configuring it. I
think the `configure` can theoretically initialize some state that is not
serializable.
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