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https://issues.apache.org/jira/browse/FLINK-28789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17575360#comment-17575360
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Yingjie Cao commented on FLINK-28789:
-------------------------------------
Though still not know the root cause, by reverting FLINK-28373 and testing
multiple times on my own azure account, the issue seems resolved. For CI
stability, I am reverting FLINK-28373, let's see if that solves the problem.
> TPC-DS tests failed due to release input gate for task failure
> ----------------------------------------------------------------
>
> Key: FLINK-28789
> URL: https://issues.apache.org/jira/browse/FLINK-28789
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Network
> Affects Versions: 1.16.0
> Reporter: Leonard Xu
> Assignee: Yuxin Tan
> Priority: Blocker
> Labels: test-stability
> Fix For: 1.16.0
>
>
> {code:java}
> switched from CANCELING to CANCELED.
> 2022-08-03 08:03:02,776 INFO org.apache.flink.runtime.taskmanager.Task
> [] - Freeing task resources for MultipleInput[2212] ->
> Calc[2191] -> HashAggregate[2192] (8/8)#1
> (cf5f33b100f0efb21b9ff8d27a78cd8e_d806bb3f5ea308ac3f1df304a96163b4_7_1).
> 2022-08-03 08:03:02,776 ERROR org.apache.flink.runtime.taskmanager.Task
> [] - Failed to release input gate for task MultipleInput[2212]
> -> Calc[2191] -> HashAggregate[2192] (8/8)#1.
> org.apache.flink.shaded.netty4.io.netty.util.IllegalReferenceCountException:
> refCnt: 0, decrement: 1
> at
> org.apache.flink.shaded.netty4.io.netty.util.internal.ReferenceCountUpdater.toLiveRealRefCnt(ReferenceCountUpdater.java:74)
> ~[flink-dist-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> at
> org.apache.flink.shaded.netty4.io.netty.util.internal.ReferenceCountUpdater.release(ReferenceCountUpdater.java:138)
> ~[flink-dist-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> at
> org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:100)
> ~[flink-dist-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:156)
> ~[flink-dist-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.buffer.ReadOnlySlicedNetworkBuffer.recycleBuffer(ReadOnlySlicedNetworkBuffer.java:123)
> ~[flink-dist-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.buffer.CompositeBuffer.recycleBuffer(CompositeBuffer.java:70)
> ~[flink-dist-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> at java.util.ArrayList.forEach(ArrayList.java:1259) ~[?:1.8.0_332]
> at
> org.apache.flink.runtime.io.network.partition.SortMergeSubpartitionReader.releaseInternal(SortMergeSubpartitionReader.java:181)
> ~[flink-dist-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.SortMergeSubpartitionReader.releaseAllResources(SortMergeSubpartitionReader.java:163)
> ~[flink-dist-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.consumer.LocalInputChannel.releaseAllResources(LocalInputChannel.java:341)
> ~[flink-dist-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.close(SingleInputGate.java:667)
> ~[flink-dist-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> at
> org.apache.flink.runtime.taskmanager.InputGateWithMetrics.close(InputGateWithMetrics.java:140)
> ~[flink-dist-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> at
> org.apache.flink.runtime.taskmanager.Task.closeAllInputGates(Task.java:1010)
> [flink-dist-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> at
> org.apache.flink.runtime.taskmanager.Task.releaseResources(Task.java:975)
> [flink-dist-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:820)
> [flink-dist-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:550)
> [flink-dist-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> at java.lang.Thread.run(Thread.java:750) [?:1.8.0_332]
> 2022-08-03 08:03:02,778 WARN org.apache.flink.metrics.MetricGroup
> {code}
> The failed CI link:
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=39152&view=results
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