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https://issues.apache.org/jira/browse/YARN-3930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14631301#comment-14631301
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Hudson commented on YARN-3930:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #256 (See 
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/256/])
YARN-3930. FileSystemNodeLabelsStore should make sure edit log file closed when 
exception is thrown. (Dian Fu via wangda) (wangda: rev 
fa2b63ed162410ba05eadf211a1da068351b293a)
* hadoop-yarn-project/CHANGES.txt
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/FileSystemNodeLabelsStore.java


> FileSystemNodeLabelsStore should make sure edit log file closed when 
> exception is thrown 
> -----------------------------------------------------------------------------------------
>
>                 Key: YARN-3930
>                 URL: https://issues.apache.org/jira/browse/YARN-3930
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: api, client, resourcemanager
>            Reporter: Dian Fu
>            Assignee: Dian Fu
>             Fix For: 2.8.0
>
>         Attachments: YARN-3930.001.patch
>
>
> When I test the node label feature in my local environment, I encountered the 
> following exception:
> {code}
> at 
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.recoverLeaseInternal(FSNamesystem.java:2426)
>         at 
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2222)
>         at 
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2523)
>         at 
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2498)
>         at 
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:662)
>         at 
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
>         at 
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
>         at 
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
>         at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:976)
>         at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2174)
>         at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2170)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:415)
>         at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1666)
>         at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2168)
>         at 
> org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager.handleStoreEvent(CommonNodeLabelsManager.java:196)
>         at 
> org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager$ForwardingEventHandler.handle(CommonNodeLabelsManager.java:168)
>         at 
> org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager$ForwardingEventHandler.handle(CommonNodeLabelsManager.java:163)
>         at 
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:176)
>         at 
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:108)
>         at java.lang.Thread.run(Thread.java:745)
> {code}
> The reason is that HDFS throws an exception when calling 
> {{ensureAppendEditlogFile}} because of some reason which causes the edit log 
> output stream isn't closed. This caused that the next time we call 
> {{ensureAppendEditlogFile}}, lease recovery will failed because we are just 
> the lease holder.



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