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From "Rajit Saha (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-2457) har://hftp-<hostname>:<port>/ or har://hftp-<hostname>/ does not seems to work
Date Mon, 17 Oct 2011 19:43:11 GMT
har://hftp-<hostname>:<port>/ or har://hftp-<hostname>/ does not seems to
work
------------------------------------------------------------------------------

                 Key: HDFS-2457
                 URL: https://issues.apache.org/jira/browse/HDFS-2457
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node
    Affects Versions: 0.20.205.0
            Reporter: Rajit Saha


$ hadoop  jar $HADOOP_HOME/hadoop-examples.jar sort  har://hftp-<Namenode hostname>:50070/tmp/ARCHIVE.har/random/part-00000
/tmp/out

Running on 15 nodes to sort from
har://hftp-<Namenode hostname>:50070/tmp/ARCHIVE.har/random/part-00000 into
hdfs://<Namenode hostname>/tmp/out with 27 reduces.
Job started: Sat Oct 15 02:04:44 UTC 2011
11/10/15 02:04:44 INFO hdfs.DFSClient: Created HDFS_DELEGATION_TOKEN token 43 for hadoopqa
on
<Namenode hostname>:8020
11/10/15 02:04:44 INFO security.TokenCache: Got dt for
hdfs://<Namenode hostname>/user/hadoopqa/.staging/job_201110142346_0038;uri=<Namenode
hostname>:8020;t.service=<Namenode hostname>:8020
11/10/15 02:04:45 INFO mapred.JobClient: Cleaning up the staging area
hdfs://<Namenode hostname>/user/hadoopqa/.staging/job_201110142346_0038
java.io.IOException: Can't seek!
        at org.apache.hadoop.hdfs.HftpFileSystem$3.seek(HftpFileSystem.java:359)
        at org.apache.hadoop.fs.FSDataInputStream.seek(FSDataInputStream.java:37)
        at org.apache.hadoop.fs.HarFileSystem$HarMetaData.parseMetaData(HarFileSystem.java:1055)
        at org.apache.hadoop.fs.HarFileSystem$HarMetaData.access$000(HarFileSystem.java:966)
        at org.apache.hadoop.fs.HarFileSystem.initialize(HarFileSystem.java:137)
        at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1328)
        at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:241)
        at org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodesInternal(TokenCache.java:91)
        at org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodes(TokenCache.java:79)
        at org.apache.hadoop.mapred.FileInputFormat.listStatus(FileInputFormat.java:160)
        at org.apache.hadoop.mapred.SequenceFileInputFormat.listStatus(SequenceFileInputFormat.java:40)
        at org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:208)
        at org.apache.hadoop.mapred.JobClient.writeOldSplits(JobClient.java:981)
        at org.apache.hadoop.mapred.JobClient.writeSplits(JobClient.java:973)
        at org.apache.hadoop.mapred.JobClient.access$600(JobClient.java:172)
        at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:889)
        at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:842)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059)
        at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:842)
        at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:816)
        at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1253)
        at org.apache.hadoop.examples.Sort.run(Sort.java:176)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
        at org.apache.hadoop.examples.Sort.main(Sort.java:187)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
        at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
        at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:64)
        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:156)


$ hadoop  jar $HADOOP_HOME/hadoop-examples.jar sort  har://hftp-<Namenode hostname>/tmp/ARCHIVE.har/random/part-00000
/tmp/out

Also gives the same error .

Is it expected ? 

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