[ https://issues.apache.org/jira/browse/HBASE-22963?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Duo Zhang resolved HBASE-22963. ------------------------------- Hadoop Flags: Reviewed Resolution: Fixed Pushed to branch-2.1+. Thanks [~stack] for reviewing. > Netty ByteBuf leak in rpc client implementation > ----------------------------------------------- > > Key: HBASE-22963 > URL: https://issues.apache.org/jira/browse/HBASE-22963 > Project: HBase > Issue Type: Bug > Components: rpc > Reporter: Duo Zhang > Assignee: Duo Zhang > Priority: Major > Fix For: 3.0.0, 2.3.0, 2.1.7, 2.2.2 > > > {noformat} > 2019-08-31 21:48:27,067 ERROR [RS-EventLoopGroup-6-3] > util.ResourceLeakDetector(317): LEAK: ByteBuf.release() was not called before > it's garbage-collected. See > http://netty.io/wiki/reference-counted-objects.html for more information. > Recent access records: > Created at: > > org.apache.hbase.thirdparty.io.netty.buffer.UnpooledByteBufAllocator.newDirectBuffer(UnpooledByteBufAllocator.java:96) > > org.apache.hbase.thirdparty.io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:187) > > org.apache.hbase.thirdparty.io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:178) > > org.apache.hbase.thirdparty.io.netty.buffer.Unpooled.directBuffer(Unpooled.java:125) > > org.apache.hadoop.hbase.ipc.NettyRpcConnection.<init>(NettyRpcConnection.java:96) > > org.apache.hadoop.hbase.ipc.NettyRpcClient.createConnection(NettyRpcClient.java:74) > > org.apache.hadoop.hbase.ipc.NettyRpcClient.createConnection(NettyRpcClient.java:40) > > org.apache.hadoop.hbase.ipc.AbstractRpcClient.getConnection(AbstractRpcClient.java:364) > > org.apache.hadoop.hbase.ipc.AbstractRpcClient.callMethod(AbstractRpcClient.java:433) > > org.apache.hadoop.hbase.ipc.AbstractRpcClient.access$300(AbstractRpcClient.java:97) > > org.apache.hadoop.hbase.ipc.AbstractRpcClient$RpcChannelImplementation.callMethod(AbstractRpcClient.java:605) > > org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$Stub.scan(ClientProtos.java:42345) > > org.apache.hadoop.hbase.client.AsyncClientScanner.callOpenScanner(AsyncClientScanner.java:152) > > org.apache.hadoop.hbase.client.AsyncSingleRequestRpcRetryingCaller.call(AsyncSingleRequestRpcRetryingCaller.java:82) > > org.apache.hadoop.hbase.client.AsyncSingleRequestRpcRetryingCaller.lambda$doCall$7(AsyncSingleRequestRpcRetryingCaller.java:115) > > org.apache.hadoop.hbase.util.FutureUtils.lambda$addListener$0(FutureUtils.java:68) > > java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760) > > java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736) > > java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474) > > java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1962) > > org.apache.hadoop.hbase.client.AsyncRegionLocator.lambda$getRegionLocation$3(AsyncRegionLocator.java:124) > > org.apache.hadoop.hbase.util.FutureUtils.lambda$addListener$0(FutureUtils.java:68) > > java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760) > > java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736) > > java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474) > > java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1962) > > org.apache.hadoop.hbase.client.ConnectionUtils.lambda$getOrFetch$6(ConnectionUtils.java:573) > > org.apache.hadoop.hbase.util.FutureUtils.lambda$addListener$0(FutureUtils.java:68) > > java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760) > > java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736) > > java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474) > > java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1962) > > org.apache.hadoop.hbase.client.ZKAsyncRegistry.tryComplete(ZKAsyncRegistry.java:123) > > org.apache.hadoop.hbase.client.ZKAsyncRegistry.lambda$getMetaRegionLocation$1(ZKAsyncRegistry.java:165) > > org.apache.hadoop.hbase.util.FutureUtils.lambda$addListener$0(FutureUtils.java:68) > > java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760) > > java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736) > > java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474) > > java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1962) > > org.apache.hadoop.hbase.client.ZKAsyncRegistry.lambda$getAndConvert$0(ZKAsyncRegistry.java:81) > > org.apache.hadoop.hbase.util.FutureUtils.lambda$addListener$0(FutureUtils.java:68) > > java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760) > > java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736) > > java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474) > > java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1962) > > org.apache.hadoop.hbase.zookeeper.ReadOnlyZKClient$ZKTask$1.exec(ReadOnlyZKClient.java:174) > > org.apache.hadoop.hbase.zookeeper.ReadOnlyZKClient.run(ReadOnlyZKClient.java:342) > java.lang.Thread.run(Thread.java:748) > {noformat} > https://builds.apache.org/job/HBase-Flaky-Tests/job/master/4148/testReport/junit/org.apache.hadoop.hbase.client/TestConnection/testConnectionCloseAllowsInterrupt/ -- This message was sent by Atlassian Jira (v8.3.2#803003)