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https://issues.apache.org/jira/browse/FLINK-9263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16456537#comment-16456537
]
ASF GitHub Bot commented on FLINK-9263:
---------------------------------------
Github user StefanRRichter commented on a diff in the pull request:
https://github.com/apache/flink/pull/5930#discussion_r184708667
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/state/RegisteredBroadcastBackendStateMetaInfo.java
---
@@ -52,6 +52,23 @@ public RegisteredBroadcastBackendStateMetaInfo(
this.valueSerializer =
Preconditions.checkNotNull(valueSerializer);
}
+ public
RegisteredBroadcastBackendStateMetaInfo(RegisteredBroadcastBackendStateMetaInfo
copy) {
+
+ Preconditions.checkNotNull(copy);
+
+ this.name = copy.name;
+ this.assignmentMode = copy.assignmentMode;
+ this.keySerializer = copy.keySerializer.duplicate();
+ this.valueSerializer = copy.valueSerializer.duplicate();
+ }
+
+ /**
+ * Creates a deep copy of the itself.
+ */
+ public RegisteredBroadcastBackendStateMetaInfo deepCopy() {
--- End diff --
Should not return raw type as well, but
`RegisteredOperatorBackendStateMetaInfo<S>`.
> Kafka010ITCase failed on travis because of the concurrency problem in
> DefaultOperateStateBackend
> ------------------------------------------------------------------------------------------------
>
> Key: FLINK-9263
> URL: https://issues.apache.org/jira/browse/FLINK-9263
> Project: Flink
> Issue Type: Bug
> Components: Tests
> Affects Versions: 1.5.0
> Reporter: Sihua Zhou
> Assignee: Sihua Zhou
> Priority: Blocker
> Fix For: 1.5.0
>
>
> instance: https://travis-ci.org/apache/flink/jobs/371952726
> I found this
> {code}
> Caused by: java.util.concurrent.ExecutionException:
> java.lang.IllegalStateException: Concurrent access to KryoSerializer. Thread
> 1: pool-26-thread-2 , Thread 2: pool-26-thread-1
> at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> at java.util.concurrent.FutureTask.get(FutureTask.java:192)
> at
> org.apache.flink.util.FutureUtil.runIfNotDoneAndGet(FutureUtil.java:53)
> at
> org.apache.flink.streaming.api.operators.OperatorSnapshotFinalizer.<init>(OperatorSnapshotFinalizer.java:53)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask$AsyncCheckpointRunnable.run(StreamTask.java:858)
> ... 5 more
> Caused by: java.lang.IllegalStateException: Concurrent access to
> KryoSerializer. Thread 1: pool-26-thread-2 , Thread 2: pool-26-thread-1
> at
> org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.enterExclusiveThread(KryoSerializer.java:622)
> at
> org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.serialize(KryoSerializer.java:254)
> at
> org.apache.flink.api.java.typeutils.runtime.TupleSerializer.serialize(TupleSerializer.java:125)
> at
> org.apache.flink.api.java.typeutils.runtime.TupleSerializer.serialize(TupleSerializer.java:30)
> at
> org.apache.flink.runtime.state.DefaultOperatorStateBackend$PartitionableListState.write(DefaultOperatorStateBackend.java:687)
> at
> org.apache.flink.runtime.state.DefaultOperatorStateBackend$1.performOperation(DefaultOperatorStateBackend.java:423)
> at
> org.apache.flink.runtime.state.DefaultOperatorStateBackend$1.performOperation(DefaultOperatorStateBackend.java:352)
> at
> org.apache.flink.runtime.io.async.AbstractAsyncCallableWithResources.call(AbstractAsyncCallableWithResources.java:75)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> org.apache.flink.util.FutureUtil.runIfNotDoneAndGet(FutureUtil.java:50)
> {code}
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