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https://issues.apache.org/jira/browse/HBASE-22370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16953806#comment-16953806
]
Hudson commented on HBASE-22370:
--------------------------------
Results for branch master
[build #1508 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/master/1508/]: (x)
*{color:red}-1 overall{color}*
----
details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/master/1508//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/master/1508//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/master/1508//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> ByteBuf LEAK ERROR
> ------------------
>
> Key: HBASE-22370
> URL: https://issues.apache.org/jira/browse/HBASE-22370
> Project: HBase
> Issue Type: Bug
> Components: rpc, wal
> Affects Versions: 2.2.1
> Reporter: Lijin Bin
> Assignee: Lijin Bin
> Priority: Major
> Fix For: 3.0.0, 2.3.0, 2.2.2, 2.1.8
>
> Attachments: HBASE-22370-master-v1.patch
>
>
> We do failover test and throw a leak error, this is hard to reproduce.
> {code}
> 2019-05-06 02:30:27,781 ERROR [AsyncFSWAL-0] util.ResourceLeakDetector: 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.PooledByteBufAllocator.newDirectBuffer(PooledByteBufAllocator.java:334)
>
> 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.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutput.flush0(FanOutOneBlockAsyncDFSOutput.java:494)
>
> org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutput.flush(FanOutOneBlockAsyncDFSOutput.java:513)
>
> org.apache.hadoop.hbase.regionserver.wal.AsyncProtobufLogWriter.sync(AsyncProtobufLogWriter.java:144)
> org.apache.hadoop.hbase.regionserver.wal.AsyncFSWAL.sync(AsyncFSWAL.java:353)
>
> org.apache.hadoop.hbase.regionserver.wal.AsyncFSWAL.consume(AsyncFSWAL.java:536)
>
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> java.lang.Thread.run(Thread.java:748)
> {code}
> If FanOutOneBlockAsyncDFSOutput#endBlock throw Exception before call
> "buf.release();", this buf has not chance to release.
> In CallRunner if the call skipped or Dropping timed out call, the call do not
> call cleanup.
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