java.io.IOException

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  • I get the following strange error on the jobtracker when attempting to submit a job: 10/09/09 20:31:35 INFO ipc.Server: IPC Server handler 7 on 31000, call submitJob(job_201009092028_0001, hdfs://hns4.sea1.qc:21000/tmp/hadoop-mr20/mapred/staging/dadkins/.staging/job_201009092028_0001, org.apache.hadoop.security.Credentials@20c87621) from 10.128.130.145:49253: error: java.io.IOException: Filesystem closed java.io.IOException: Filesystem closed at org.apache.hadoop.hdfs.DFSClient.checkOpen(DFSClient.java:307) at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:1212) at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:494) at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:1491) at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:395) at org.apache.hadoop.mapred.JobTracker.submitJob(JobTracker.java:3078) at org.apache.hadoop.mapred.JobTracker.submitJob(JobTracker.java:3014) at org.apache.hadoop.mapred.JobTracker.submitJob(JobTracker.java:2996) 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.WritableRpcEngine$Server.call(WritableRpcEngine.java:349) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1380) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1376) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:396) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1105) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1374)
    via by Dan Adkins,
  • regexp_replace exception
    via Stack Overflow by user2441441
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  • Spark HistoryServer not coming up
    via by Unknown author,
    • java.io.IOException: Filesystem closed at org.apache.hadoop.hdfs.DFSClient.checkOpen(DFSClient.java:307) at org.apache.hadoop.hdfs.DFSClient.listPaths(DFSClient.java:860) at org.apache.hadoop.hdfs.DFSClient.listPaths(DFSClient.java:845) at org.apache.hadoop.hdfs.DistributedFileSystem.listStatus(DistributedFileSystem.java:373) at org.apache.hadoop.mapred.CompletedJobStatusStore.deleteJobStatusDirs(CompletedJobStatusStore.java:143) at org.apache.hadoop.mapred.CompletedJobStatusStore.run(CompletedJobStatusStore.java:128) at java.lang.Thread.run(Thread.java:619)

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