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Hadoop QA commented on HBASE-8749: ---------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12588081/HBase-8749-0.94.txt against trunk revision . {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:red}-1 tests included{color}. The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. {color:red}-1 patch{color}. The patch command could not apply the patch. Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/6050//console This message is automatically generated. > Potential race condition between FSUtils.renameAndSetModifyTime() and > HFile/LogCleaner > -------------------------------------------------------------------------------------- > > Key: HBASE-8749 > URL: https://issues.apache.org/jira/browse/HBASE-8749 > Project: HBase > Issue Type: Bug > Affects Versions: 0.95.1 > Reporter: Ted Yu > Assignee: Matteo Bertozzi > Attachments: HBase-8749-0.94.txt, HBASE-8749-v0.patch > > > We recently saw the following running 0.95.1 on hadoop 2.0: > {code} > 2013-06-11 21:51:22,199 ERROR [IPC Server handler 18 on 60000] > master.HMaster: Region server ip-10-138-2-28.ec2.internal,60020,1370887927492 > reported a fatal error: > ABORTING region server ip-10-138-2-28.ec2.internal,60020,1370887927492: IOE > in log roller > Cause: > java.io.FileNotFoundException: File/Directory > /hbase/.oldlogs/ip-10-138-2-28.ec2.internal%2C60020%2C1370887927492.1370986265468 > does not exist. > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setTimesInt(FSNamesystem.java:1488) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setTimes(FSNamesystem.java:1453) > at > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.setTimes(NameNodeRpcServer.java:798) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.setTimes(ClientNamenodeProtocolServerSideTranslatorPB.java:704) > at > org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:43194) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:454) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:910) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1694) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1690) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:415) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1367) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1688) > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) > at > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) > at > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > at java.lang.reflect.Constructor.newInstance(Constructor.java:525) > at > org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:90) > at > org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:57) > at org.apache.hadoop.hdfs.DFSClient.setTimes(DFSClient.java:2097) > at > org.apache.hadoop.hdfs.DistributedFileSystem.setTimes(DistributedFileSystem.java:813) > at > org.apache.hadoop.hbase.util.FSUtils.renameAndSetModifyTime(FSUtils.java:1596) > at > org.apache.hadoop.hbase.regionserver.wal.FSHLog.archiveLogFile(FSHLog.java:705) > at > org.apache.hadoop.hbase.regionserver.wal.FSHLog.cleanOldLogs(FSHLog.java:595) > at > org.apache.hadoop.hbase.regionserver.wal.FSHLog.rollWriter(FSHLog.java:536) > at org.apache.hadoop.hbase.regionserver.LogRoller.run(LogRoller.java:96) > at java.lang.Thread.run(Thread.java:722) > Caused by: > org.apache.hadoop.ipc.RemoteException(java.io.FileNotFoundException): > File/Directory > /hbase/.oldlogs/ip-10-138-2-28.ec2.internal%2C60020%2C1370887927492.1370986265468 > does not exist. > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setTimesInt(FSNamesystem.java:1488) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setTimes(FSNamesystem.java:1453) > at > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.setTimes(NameNodeRpcServer.java:798) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.setTimes(ClientNamenodeProtocolServerSideTranslatorPB.java:704) > at > org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:43194) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:454) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:910) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1694) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1690) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:415) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1367) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1688) > at org.apache.hadoop.ipc.Client.call(Client.java:1164) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:202) > at com.sun.proxy.$Proxy11.setTimes(Unknown Source) > at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:601) > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:164) > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:83) > at com.sun.proxy.$Proxy11.setTimes(Unknown Source) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.setTimes(ClientNamenodeProtocolTranslatorPB.java:685) > at sun.reflect.GeneratedMethodAccessor26.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:601) > at org.apache.hadoop.hbase.fs.HFileSystem$1.invoke(HFileSystem.java:266) > at com.sun.proxy.$Proxy12.setTimes(Unknown Source) > at org.apache.hadoop.hdfs.DFSClient.setTimes(DFSClient.java:2095) > ... 7 more > 2013-06-11 21:51:32,976 INFO [main-EventThread] > zookeeper.RegionServerTracker: RegionServer ephemeral node deleted, > processing expiration [ip-10-138-2-28.ec2.internal,60020,1370887927492] > {code} > One scenario that could have led to the above exception was that the > LogCleaner thread deleted the log file which had just been moved to .oldlogs > dir before the call to fs.setTimes() executed. > When fs.setTimes() ran, the file was no longer there. -- This message is automatically generated by JIRA. 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