Dian Fu created YARN-3930:
-----------------------------
Summary: 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
Reporter: Dian Fu
Assignee: Dian Fu
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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