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https://issues.apache.org/jira/browse/HDFS-13888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16827155#comment-16827155
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Íñigo Goiri commented on HDFS-13888:
------------------------------------
[~LiJinglun] do you mind taking care of the changes?
> RequestHedgingProxyProvider shows InterruptedException
> ------------------------------------------------------
>
> Key: HDFS-13888
> URL: https://issues.apache.org/jira/browse/HDFS-13888
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 3.1.1
> Reporter: Íñigo Goiri
> Assignee: Jinglun
> Priority: Minor
> Attachments: HDFS-13888.001.patch, HDFS-13888.002.patch,
> HDFS-13888.003.patch, HDFS-13888.004.patch
>
>
> RequestHedgingProxyProvider shows InterruptedException when running:
> {code}
> 2018-08-30 23:52:48,883 WARN ipc.Client: interrupted waiting to send rpc
> request to server
> java.lang.InterruptedException
> at java.util.concurrent.FutureTask.awaitDone(FutureTask.java:404)
> at java.util.concurrent.FutureTask.get(FutureTask.java:191)
> at
> org.apache.hadoop.ipc.Client$Connection.sendRpcRequest(Client.java:1142)
> at org.apache.hadoop.ipc.Client.call(Client.java:1395)
> at org.apache.hadoop.ipc.Client.call(Client.java:1353)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:228)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:116)
> at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:900)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.apache.hadoop.hdfs.server.namenode.ha.RequestHedgingProxyProvider$RequestHedgingInvocationHandler$1.call(RequestHedgingProxyProvider.java:135)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> 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}
> It looks like this is the case of the background request that is killed once
> the main one succeeds. We should not log the full stack trace for this and
> maybe just a debug log.
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