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Shashikant Banerjee commented on RATIS-318: ------------------------------------------- [~szetszwo], I think the issue is with closing of the xceiverClients in Ozone. Same issue exist with XceiverClientGrpc as well . Resolving it here. {code:java} Sep 26, 2018 8:11:01 PM org.apache.ratis.shaded.io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference cleanQueue SEVERE: *~*~*~ Channel ManagedChannelImpl{logId=136, target=192.168.1.2:50712} was not shutdown properly!!! ~*~*~* Make sure to call shutdown()/shutdownNow() and wait until awaitTermination() returns true. java.lang.RuntimeException: ManagedChannel allocation site at org.apache.ratis.shaded.io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference.<init>(ManagedChannelOrphanWrapper.java:103) at org.apache.ratis.shaded.io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:53) at org.apache.ratis.shaded.io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:44) at org.apache.ratis.shaded.io.grpc.internal.AbstractManagedChannelImplBuilder.build(AbstractManagedChannelImplBuilder.java:410) at org.apache.hadoop.hdds.scm.XceiverClientGrpc.connect(XceiverClientGrpc.java:92) at org.apache.hadoop.hdds.scm.XceiverClientManager$2.call(XceiverClientManager.java:159) at org.apache.hadoop.hdds.scm.XceiverClientManager$2.call(XceiverClientManager.java:144) at com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4767) at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3568) at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2350) at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2313) at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2228) at com.google.common.cache.LocalCache.get(LocalCache.java:3965) at com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4764) at org.apache.hadoop.hdds.scm.XceiverClientManager.getClient(XceiverClientManager.java:143) at org.apache.hadoop.hdds.scm.XceiverClientManager.acquireClient(XceiverClientManager.java:122) at org.apache.hadoop.ozone.client.io.ChunkGroupOutputStream.checkKeyLocationInfo(ChunkGroupOutputStream.java:192) at org.apache.hadoop.ozone.client.io.ChunkGroupOutputStream.addPreallocateBlocks(ChunkGroupOutputStream.java:180) at org.apache.hadoop.ozone.client.rpc.RpcClient.createKey(RpcClient.java:472) at org.apache.hadoop.ozone.client.OzoneBucket.createKey(OzoneBucket.java:262) at org.apache.hadoop.ozone.freon.RandomKeyGenerator$OfflineProcessor.run(RandomKeyGenerator.java:601) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266) at java.util.concurrent.FutureTask.run(FutureTask.java) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748){code} > Ratis is leaking managed channel > -------------------------------- > > Key: RATIS-318 > URL: https://issues.apache.org/jira/browse/RATIS-318 > Project: Ratis > Issue Type: Bug > Components: client > Affects Versions: 0.3.0 > Reporter: Mukul Kumar Singh > Assignee: Shashikant Banerjee > Priority: Major > Fix For: 0.3.0 > > > TestDataValidate in Ozone throws the following exception. > {code} > java.lang.RuntimeException: ManagedChannel allocation site > at > org.apache.ratis.shaded.io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference.<init>(ManagedChannelOrphanWrapper.java:103) > at > org.apache.ratis.shaded.io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:53) > at > org.apache.ratis.shaded.io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:44) > at > org.apache.ratis.shaded.io.grpc.internal.AbstractManagedChannelImplBuilder.build(AbstractManagedChannelImplBuilder.java:410) > at > org.apache.ratis.grpc.client.RaftClientProtocolClient.<init>(RaftClientProtocolClient.java:80) > at > org.apache.ratis.grpc.client.GrpcClientRpc.lambda$new$0(GrpcClientRpc.java:56) > at > org.apache.ratis.util.PeerProxyMap$PeerAndProxy.lambda$getProxy$0(PeerProxyMap.java:55) > at > org.apache.ratis.util.LifeCycle.startAndTransition(LifeCycle.java:182) > at > org.apache.ratis.util.PeerProxyMap$PeerAndProxy.getProxy(PeerProxyMap.java:54) > at org.apache.ratis.util.PeerProxyMap.getProxy(PeerProxyMap.java:101) > at > org.apache.ratis.grpc.client.GrpcClientRpc.sendRequest(GrpcClientRpc.java:78) > at > org.apache.ratis.client.impl.RaftClientImpl.sendRequest(RaftClientImpl.java:313) > at > org.apache.ratis.client.impl.RaftClientImpl.sendRequestWithRetry(RaftClientImpl.java:268) > at > org.apache.ratis.client.impl.RaftClientImpl.send(RaftClientImpl.java:197) > at > org.apache.ratis.client.impl.RaftClientImpl.send(RaftClientImpl.java:178) > at org.apache.ratis.client.RaftClient.send(RaftClient.java:82) > at > org.apache.hadoop.hdds.scm.XceiverClientRatis.sendRequest(XceiverClientRatis.java:193) > at > org.apache.hadoop.hdds.scm.XceiverClientRatis.sendCommand(XceiverClientRatis.java:210) > at > org.apache.hadoop.hdds.scm.storage.ContainerProtocolCalls.createContainer(ContainerProtocolCalls.java:297) > at > org.apache.hadoop.ozone.client.io.ChunkGroupOutputStream.checkKeyLocationInfo(ChunkGroupOutputStream.java:197) > at > org.apache.hadoop.ozone.client.io.ChunkGroupOutputStream.addPreallocateBlocks(ChunkGroupOutputStream.java:180) > at > org.apache.hadoop.ozone.client.rpc.RpcClient.createKey(RpcClient.java:472) > at > org.apache.hadoop.ozone.client.OzoneBucket.createKey(OzoneBucket.java:245) > at > org.apache.hadoop.ozone.freon.RandomKeyGenerator$OfflineProcessor.run(RandomKeyGenerator.java:601) > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > 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) > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)