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https://issues.apache.org/jira/browse/HBASE-22963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16925253#comment-16925253
]
Hudson commented on HBASE-22963:
--------------------------------
Results for branch branch-2
[build #2238 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2238/]:
(x) *{color:red}-1 overall{color}*
----
details (if available):
(x) {color:red}-1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2238//General_Nightly_Build_Report/]
(x) {color:red}-1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2238//JDK8_Nightly_Build_Report_(Hadoop2)/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2238//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> 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/
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