Huibo Peng created HDFS-16969:
---------------------------------
Summary: Restart DataNode but keep showing ClosedChannelException
in DataNode
Key: HDFS-16969
URL: https://issues.apache.org/jira/browse/HDFS-16969
Project: Hadoop HDFS
Issue Type: Bug
Components: datanode
Affects Versions: 3.3.2
Reporter: Huibo Peng
We use Hadoop 3.3.2 + HBase 2.3.6 in production environment. When restarting
DataNode to enable some configs, the ClosedChannelException keep showing in
DataNode log.
{code:java}
2023-03-09 12:00:42,456 WARN [ShortCircuitCache_SlotReleaser]
shortcircuit.DfsClientShmManager:
EndpointShmManager(DatanodeInfoWithStorage[10.22.128.111:9866,DS-d0865093-7868-4d6b-8163-252f2dd4a40c,DISK],
parent=ShortCircuitShmManager(250ff108)): error shutting down shm: got
IOException calling shutdown(SHUT_RDWR)
java.nio.channels.ClosedChannelException at
org.apache.hadoop.util.CloseableReferenceCount.reference(CloseableReferenceCount.java:57)
at
org.apache.hadoop.net.unix.DomainSocket.shutdown(DomainSocket.java:393)
at
org.apache.hadoop.hdfs.shortcircuit.DfsClientShmManager$EndpointShmManager.shutdown(DfsClientShmManager.java:362)
at
org.apache.hadoop.hdfs.shortcircuit.ShortCircuitCache$SlotReleaser.run(ShortCircuitCache.java:241)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266) at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
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
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org
For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org
