Have you read the email thread entitled 'file is already being created by NN_Recovery' on user mailing list ?
On Sat, Apr 9, 2011 at 7:06 AM, Ramkrishna S Vasudevan < [email protected]> wrote: > If we kill the HMaster and try restarting it.. the following exceptions are > logged > > > > plitting hlog 2 of 2: > hdfs:// > 10.18.52.108:9000/hbase/.logs/linux108,60020,1302346754067/linux108%3 > A60020.1302350355407, length=1459 > > 2011-04-09 18:02:56,017 INFO org.apache.hadoop.hbase.util.FSUtils: > Recovering file > hdfs:// > 10.18.52.108:9000/hbase/.logs/linux108,60020,1302346754067/linux108%3 > A60020.1302350355407 > > 2011-04-09 18:02:56,037 ERROR > com.huawei.isap.ump.ha.client.RPCRetryAndSwitchInvoker: Exception occured > while connecting to server : /10.18.52.108:9000 > > org.apache.hadoop.ipc.RemoteException: > org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException: failed to > create file > /hbase/.logs/linux108,60020,1302346754067/linux108%3A60020.1302350355407 > for > DFSClient_hb_m_linux108:60000_1302352358592 on client 10.18.52.108, because > this file is already being created by NN_Recovery on 10.18.52.108 > > at > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.recoverLeaseInternal(FSN > amesystem.java:1453) > > at > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileInternal(FSName > system.java:1291) > > at > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem. > java:1473) > > at > org.apache.hadoop.hdfs.server.namenode.NameNode.append(NameNode.java:628) > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > at > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39 > ) > > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl > .java:25) > > at java.lang.reflect.Method.invoke(Method.java:597) > > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:541) > > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1105) > > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1101) > > at java.security.AccessController.doPrivileged(Native Method) > > at javax.security.auth.Subject.doAs(Subject.java:396) > > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1099) > > > > at org.apache.hadoop.ipc.Client.call(Client.java:942) > > at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:239) > > at $Proxy5.append(Unknown Source) > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > at > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39 > ) > > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl > .java:25) > > at java.lang.reflect.Method.invoke(Method.java:597) > > at > > com.huawei.isap.ump.ha.client.RPCRetryAndSwitchInvoker.invokeMethod(RPCRetry > AndSwitchInvoker.java:157) > > at > > com.huawei.isap.ump.ha.client.RPCRetryAndSwitchInvoker.invokeMethod(RPCRetry > AndSwitchInvoker.java:145) > > at > > com.huawei.isap.ump.ha.client.RPCRetryAndSwitchInvoker.invoke(RPCRetryAndSwi > tchInvoker.java:54) > > at $Proxy5.append(Unknown Source) > > at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:741) > > at > > org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.ja > va:366) > > at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:665) > > at > org.apache.hadoop.hbase.util.FSUtils.recoverFileLease(FSUtils.java:634) > > at > > org.apache.hadoop.hbase.regionserver.wal.HLogSplitter.splitLog(HLogSplitter. > java:261) > > at > > org.apache.hadoop.hbase.regionserver.wal.HLogSplitter.splitLog(HLogSplitter. > java:188) > > at > > org.apache.hadoop.hbase.master.MasterFileSystem.splitLog(MasterFileSystem.ja > va:196) > > at > > org.apache.hadoop.hbase.master.MasterFileSystem.splitLogAfterStartup(MasterF > ileSystem.java:180) > > at > > org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:379 > ) > > at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:278) > > > > But the HMaster is starting correctly. Here only I have only 2 datanodes > and the replication factor is 2. > > > > Regards > > Ram > > > > > **************************************************************************** > *********** > This e-mail and attachments contain confidential information from HUAWEI, > which is intended only for the person or entity whose address is listed > above. Any use of the information contained herein in any way (including, > but not limited to, total or partial disclosure, reproduction, or > dissemination) by persons other than the intended recipient's) is > prohibited. If you receive this e-mail in error, please notify the sender > by > phone or email immediately and delete it! > > > >
