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https://issues.apache.org/jira/browse/HDDS-7838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17680604#comment-17680604
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Attila Doroszlai commented on HDDS-7838:
----------------------------------------
[~ghuangups] please enclose log excerpts and stack traces inside {{\{code\}}}
block for better formatting.
> gRPC channel created for EC reconstruction not shutdown properly
> ----------------------------------------------------------------
>
> Key: HDDS-7838
> URL: https://issues.apache.org/jira/browse/HDDS-7838
> Project: Apache Ozone
> Issue Type: Bug
> Components: EC
> Reporter: George Huang
> Priority: Major
>
> Jan 23, 2023 5:22:47 PM
> org.apache.ratis.thirdparty.io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference
> cleanQueue SEVERE: {*}{*}{*}~ Channel ManagedChannelImpl\{logId=77175,
> target=10.17.248.50:9859} was not shutdown properly!!!{*} *~* Make sure to
> call shutdown()/shutdownNow() and wait until awaitTermination() returns true.
> java.lang.RuntimeException: ManagedChannel allocation site at
> org.apache.ratis.thirdparty.io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference.<init>(ManagedChannelOrphanWrapper.java:93)
> at
> org.apache.ratis.thirdparty.io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:53)
> at
> org.apache.ratis.thirdparty.io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:44)
> at
> org.apache.ratis.thirdparty.io.grpc.internal.ManagedChannelImplBuilder.build(ManagedChannelImplBuilder.java:630)
> at
> org.apache.ratis.thirdparty.io.grpc.internal.AbstractManagedChannelImplBuilder.build(AbstractManagedChannelImplBuilder.java:297)
> at
> org.apache.hadoop.hdds.scm.XceiverClientGrpc.connectToDatanode(XceiverClientGrpc.java:205)
> at
> org.apache.hadoop.hdds.scm.XceiverClientGrpc.connect(XceiverClientGrpc.java:158)
> at
> org.apache.hadoop.hdds.scm.XceiverClientManager$2.call(XceiverClientManager.java:243)
> at
> org.apache.hadoop.hdds.scm.XceiverClientManager$2.call(XceiverClientManager.java:224)
> at
> com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4868)
> at
> com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3533)
> at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2282)
> at
> com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2159)
> at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2049) at
> com.google.common.cache.LocalCache.get(LocalCache.java:3966) at
> com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4863)
> at
> org.apache.hadoop.hdds.scm.XceiverClientManager.getClient(XceiverClientManager.java:224)
> at
> org.apache.hadoop.hdds.scm.XceiverClientManager.acquireClient(XceiverClientManager.java:168)
> at
> org.apache.hadoop.hdds.scm.XceiverClientManager.acquireClient(XceiverClientManager.java:141)
> at
> org.apache.hadoop.hdds.scm.storage.BlockOutputStream.<init>(BlockOutputStream.java:161)
> at
> org.apache.hadoop.hdds.scm.storage.ECBlockOutputStream.<init>(ECBlockOutputStream.java:78)
> at
> org.apache.hadoop.ozone.container.ec.reconstruction.ECReconstructionCoordinator.getECBlockOutputstream(ECReconstructionCoordinator.java:215)
> at
> org.apache.hadoop.ozone.container.ec.reconstruction.ECReconstructionCoordinator.reconstructECBlockGroup(ECReconstructionCoordinator.java:272)
> at
> org.apache.hadoop.ozone.container.ec.reconstruction.ECReconstructionCoordinator.reconstructECContainerGroup(ECReconstructionCoordinator.java:163)
> at
> org.apache.hadoop.ozone.container.ec.reconstruction.ECReconstructionCoordinatorTask.run(ECReconstructionCoordinatorTask.java:84)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
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