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https://issues.apache.org/jira/browse/HDDS-1616?focusedWorklogId=269938&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-269938
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ASF GitHub Bot logged work on HDDS-1616:
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Author: ASF GitHub Bot
Created on: 01/Jul/19 02:22
Start Date: 01/Jul/19 02:22
Worklog Time Spent: 10m
Work Description: mukul1987 commented on pull request #1039: HDDS-1616.
ManagedChannel references are being leaked in while removing RaftGroup.
Contributed by Mukul Kumar Singh.
URL: https://github.com/apache/hadoop/pull/1039
RaftClient references are being leaked while removing pipeline.
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Issue Time Tracking
-------------------
Worklog Id: (was: 269938)
Time Spent: 10m
Remaining Estimate: 0h
> ManagedChannel references are being leaked in while removing RaftGroup
> ----------------------------------------------------------------------
>
> Key: HDDS-1616
> URL: https://issues.apache.org/jira/browse/HDDS-1616
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: SCM
> Affects Versions: 0.4.0
> Reporter: Mukul Kumar Singh
> Assignee: Mukul Kumar Singh
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> ManagedChannel references are being leaked in while removing RaftGroup
> {code}
> May 30, 2019 8:12:20 AM
> org.apache.ratis.thirdparty.io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference
> cleanQueue
> SEVERE: *~*~*~ Channel ManagedChannelImpl{logId=1805,
> target=192.168.0.3:49867} was not shutdown properly!!! ~*~*~*
> Make sure to call shutdown()/shutdownNow() and wait until
> awaitTermination() returns true.
> java.lang.RuntimeException: ManagedChannel allocation site
> at
> org.apache.ratis.thirdparty.io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference.<init>(ManagedChannelOrphanWrapper.java:103)
> 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.AbstractManagedChannelImplBuilder.build(AbstractManagedChannelImplBuilder.java:411)
> at
> org.apache.ratis.grpc.client.GrpcClientProtocolClient.<init>(GrpcClientProtocolClient.java:118)
> at
> org.apache.ratis.grpc.client.GrpcClientRpc.lambda$new$0(GrpcClientRpc.java:55)
> at
> org.apache.ratis.util.PeerProxyMap$PeerAndProxy.lambda$getProxy$0(PeerProxyMap.java:61)
> at
> org.apache.ratis.util.LifeCycle.startAndTransition(LifeCycle.java:202)
> at
> org.apache.ratis.util.PeerProxyMap$PeerAndProxy.getProxy(PeerProxyMap.java:60)
> at org.apache.ratis.util.PeerProxyMap.getProxy(PeerProxyMap.java:107)
> at
> org.apache.ratis.grpc.client.GrpcClientRpc.sendRequest(GrpcClientRpc.java:91)
> at
> org.apache.ratis.client.impl.RaftClientImpl.sendRequest(RaftClientImpl.java:409)
> at
> org.apache.ratis.client.impl.RaftClientImpl.groupRemove(RaftClientImpl.java:281)
> at
> org.apache.hadoop.hdds.scm.pipeline.RatisPipelineUtils.destroyPipeline(RatisPipelineUtils.java:97)
> at
> org.apache.hadoop.hdds.scm.pipeline.PipelineReportHandler.processPipelineReport(PipelineReportHandler.java:100)
> at
> org.apache.hadoop.hdds.scm.pipeline.PipelineReportHandler.onMessage(PipelineReportHandler.java:80)
> at
> org.apache.hadoop.hdds.scm.pipeline.PipelineReportHandler.onMessage(PipelineReportHandler.java:44)
> at
> org.apache.hadoop.hdds.server.events.SingleThreadExecutor.lambda$onMessage$1(SingleThreadExecutor.java:85)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> {code}
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