Hi All!
I have been running Hadoop jobs through my user account on a cluster, for a
while now. But now I am getting this strange exception when I try to execute
a job. If anyone knows, please let me know why this is happening.
[akhil1...@altocumulus WordCount]$ hadoop jar wordcount_classes_dir.jar
org.uiuc.upcrc.extClasses.WordCount /home/akhil1988/input
/home/akhil1988/output
JO
09/06/22 19:19:01 WARN mapred.JobClient: Use GenericOptionsParser for
parsing the arguments. Applications should implement Tool for the same.
org.apache.hadoop.ipc.RemoteException: java.io.FileNotFoundException:
/hadoop/tmp/hadoop/mapred/local/jobTracker/job_200906111015_0167.xml
(Read-only file system)
at java.io.FileOutputStream.open(Native Method)
at java.io.FileOutputStream.<init>(FileOutputStream.java:179)
at
org.apache.hadoop.fs.RawLocalFileSystem$LocalFSFileOutputStream.<init>(RawLocalFileSystem.java:187)
at
org.apache.hadoop.fs.RawLocalFileSystem$LocalFSFileOutputStream.<init>(RawLocalFileSystem.java:183)
at
org.apache.hadoop.fs.RawLocalFileSystem.create(RawLocalFileSystem.java:241)
at
org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSOutputSummer.<init>(ChecksumFileSystem.java:327)
at
org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:360)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:487)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:468)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:375)
at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:208)
at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:142)
at org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:1214)
at org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:1195)
at org.apache.hadoop.mapred.JobInProgress.<init>(JobInProgress.java:212)
at org.apache.hadoop.mapred.JobTracker.submitJob(JobTracker.java:2230)
at sun.reflect.GeneratedMethodAccessor22.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:452)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:892)
at org.apache.hadoop.ipc.Client.call(Client.java:696)
at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:216)
at org.apache.hadoop.mapred.$Proxy1.submitJob(Unknown Source)
at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:828)
at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1127)
at org.uiuc.upcrc.extClasses.WordCount.main(WordCount.java:70)
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.util.RunJar.main(RunJar.java:165)
at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68)
Thanks,
Akhil
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