title: LeaseExpiredException: No lease error on HDFS
body: <p>I am trying to load large data to HDFS and I sometimes get the error below. any idea why?</p>
  
  <p>The error:</p>
  
  <pre><code>org.apache.hadoop.ipc.RemoteException: org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException: No lease on /data/work/20110926-134514/_temporary/_attempt_201109110407_0167_r_000026_0/hbase/site=3815120/day=20110925/107-107-3815120-20110926-134514-r-00026 File does not exist. Holder DFSClient_attempt_201109110407_0167_r_000026_0 does not have any open files.
  at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:1557)
  at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:1548)
  at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.completeFileInternal(FSNamesystem.java:1603)
  at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.completeFile(FSNamesystem.java:1591)
  at org.apache.hadoop.hdfs.server.namenode.NameNode.complete(NameNode.java:675)
  at sun.reflect.GeneratedMethodAccessor16.invoke(Unknown Source)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:597)
  at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:557)
  at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1434)
  at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1430)
  at java.security.AccessController.doPrivileged(Native Method)
  at javax.security.auth.Subject.doAs(Subject.java:396)
  at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1127)
  at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1428)
  
  at org.apache.hadoop.ipc.Client.call(Client.java:1107)
  at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:226)
  at $Proxy1.complete(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 org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)
  at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
  at $Proxy1.complete(Unknown Source)
  at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.closeInternal(DFSClient.java:3566)
  at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.close(DFSClient.java:3481)
  at org.apache.hadoop.fs.FSDataOutputStream$PositionCache.close(FSDataOutputStream.java:61)
  at org.apache.hadoop.fs.FSDataOutputStream.close(FSDataOutputStream.java:86)
  at org.apache.hadoop.io.SequenceFile$Writer.close(SequenceFile.java:966)
  at org.apache.hadoop.io.SequenceFile$BlockCompressWriter.close(SequenceFile.java:1297)
  at org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputFormat$1.close(SequenceFileOutputFormat.java:78)
  at org.apache.hadoop.mapreduce.lib.output.MultipleOutputs$RecordWriterWithCounter.close(MultipleOutputs.java:303)
  at org.apache.hadoop.mapreduce.lib.output.MultipleOutputs.close(MultipleOutputs.java:456)
  at com.my.hadoop.platform.sortmerger.MergeSortHBaseReducer.cleanup(MergeSortHBaseReducer.java:145)
  at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:178)
  at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:572)
  at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:414)
  at org.apache.hadoop.mapred.Child$4.run(Child.java:270)
  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:1127)
  at org.apache.hadoop.mapred.Child.main(Child.java:264)
  </code></pre>