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From "Andrzej Bialecki (JIRA)" <j...@apache.org>
Subject [jira] Created: (NUTCH-595) "Target file:/.... already exists"
Date Thu, 27 Dec 2007 13:08:44 GMT
"Target file:/.... already exists"
----------------------------------

                 Key: NUTCH-595
                 URL: https://issues.apache.org/jira/browse/NUTCH-595
             Project: Nutch
          Issue Type: Bug
    Affects Versions: 1.0.0
         Environment: Cygwin, Win XP, LocalJobTracker and LocalFileSystem.
            Reporter: Andrzej Bialecki 


This is related to the upgrade to Hadoop 0.15.0. I'm unable to run any Hadoop jobs in local
mode under Cygwin:

{noformat}
2007-12-27 13:54:24,468 WARN  mapred.LocalJobRunner - job_local_1
java.io.IOException: Target file:/c:/tmp/hadoop-abial/mapred/temp/inject-temp-19350068/_reduce_kmsua5/part-00000
already exists
        at org.apache.hadoop.fs.FileUtil.checkDest(FileUtil.java:246)
        at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:125)
        at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:116)
        at org.apache.hadoop.fs.RawLocalFileSystem.rename(RawLocalFileSystem.java:180)
        at org.apache.hadoop.fs.ChecksumFileSystem.rename(ChecksumFileSystem.java:394)
        at org.apache.hadoop.mapred.Task.moveTaskOutputs(Task.java:452)
        at org.apache.hadoop.mapred.Task.moveTaskOutputs(Task.java:469)
        at org.apache.hadoop.mapred.Task.saveTaskOutput(Task.java:426)
        at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:165)
2007-12-27 13:54:24,843 FATAL crawl.Injector - Injector: java.io.IOException: Job failed!
        at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:831)
        at org.apache.nutch.crawl.Injector.inject(Injector.java:162)
        at org.apache.nutch.crawl.Injector.run(Injector.java:192)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
        at org.apache.hadoop.util.ToolBase.doMain(ToolBase.java:54)
        at org.apache.nutch.crawl.Injector.main(Injector.java:182)
{noformat}

AFAIK this should be fixed in HADOOP-2228, which is a part of 0.15.2.

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