错误:
org.apache.hadoop.ipc.RemoteException: failed to create file /user/root/uair11/air_info_package_cache_/part-m-00000 for DFSClient_NONMAPREDUCE_1323857387_57 on client 192.168.22.129 because current leaseholder is trying to recreate file.
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.recoverLeaseInternal(FSNamesystem.java:2342)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2220)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2453)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2414)
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:508)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:320)
at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:48063)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:585)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2048)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2044)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1491)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2042)
at org.apache.hadoop.ipc.Client.call(Client.java:1347) ~[hadoop-common-2.2.0-transwarp.jar:na]
at org.apache.hadoop.ipc.Client.call(Client.java:1300) ~[hadoop-common-2.2.0-transwarp.jar:na]
at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206) ~[hadoop-common-2.2.0-transwarp.jar:na]
at com.sun.proxy.$Proxy65.append(Unknown Source) ~[na:na]
at sun.reflect.GeneratedMethodAccessor97.invoke(Unknown Source) ~[na:na]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) ~[na:1.6.0_41]
at java.lang.reflect.Method.invoke(Method.java:597) ~[na:1.6.0_41]
at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186) ~[hadoop-common-2.2.0-transwarp.jar:na]
at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102) ~[hadoop-common-2.2.0-transwarp.jar:na]
at com.sun.proxy.$Proxy65.append(Unknown Source) ~[na:na]
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:245) ~[hadoop-hdfs-2.2.0-transwarp.jar:na]
at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1480) ~[hadoop-hdfs-2.2.0-transwarp.jar:na]
at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1520) ~[hadoop-hdfs-2.2.0-transwarp.jar:na]
at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1508) ~[hadoop-hdfs-2.2.0-transwarp.jar:na]
at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:310) ~[hadoop-hdfs-2.2.0-transwarp.jar:na]
at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:306) ~[hadoop-hdfs-2.2.0-transwarp.jar:na]
at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) ~[hadoop-common-2.2.0-transwarp.jar:na]
at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:306) ~[hadoop-hdfs-2.2.0-transwarp.jar:na]
at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1160) ~[hadoop-common-2.2.0-transwarp.jar:na]
at cn.lds.uAir.transwarp.Impl.HDFSFileImpl.appendDataToFile(HDFSFileImpl.java:49) ~[bizfuse-uAir.jar:na]
at cn.lds.uAir.job.MSAQIJob$DataThread.run(MSAQIJob.java:99) [bizfuse-uAir.jar:na]