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https://issues.apache.org/jira/browse/HDDS-7929?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Attila Doroszlai resolved HDDS-7929.
------------------------------------
Resolution: Duplicate
> ECContainerOperationClient should release gRPC client properly
> --------------------------------------------------------------
>
> Key: HDDS-7929
> URL: https://issues.apache.org/jira/browse/HDDS-7929
> Project: Apache Ozone
> Issue Type: Bug
> Components: Ozone Datanode
> Reporter: Attila Doroszlai
> Assignee: Attila Doroszlai
> Priority: Major
>
> ECContainerOperationClient releases datanode client with
> {{invalidate=false}}. Upon reconnect this causes warning:
> {code}
>
> org.apache.ratis.thirdparty.io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference
> cleanQueue
> SEVERE: *~*~*~ Channel ManagedChannelImpl{...} was not shutdown properly!!!
> ~*~*~*
> Make sure to call shutdown()/shutdownNow() and wait until
> awaitTermination() returns true.
> java.lang.RuntimeException: ManagedChannel allocation site
> at
> org.apache.ratis.thirdparty.io.grpc.internal.ManagedChannelOrphanWrapper$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:188)
> 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)
> {code}
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