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From "Andrzej Bialecki (JIRA)" <>
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
             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:

2007-12-27 13:54:24,468 WARN  mapred.LocalJobRunner - job_local_1 Target file:/c:/tmp/hadoop-abial/mapred/temp/inject-temp-19350068/_reduce_kmsua5/part-00000
already exists
        at org.apache.hadoop.fs.FileUtil.checkDest(
        at org.apache.hadoop.fs.FileUtil.copy(
        at org.apache.hadoop.fs.FileUtil.copy(
        at org.apache.hadoop.fs.RawLocalFileSystem.rename(
        at org.apache.hadoop.fs.ChecksumFileSystem.rename(
        at org.apache.hadoop.mapred.Task.moveTaskOutputs(
        at org.apache.hadoop.mapred.Task.moveTaskOutputs(
        at org.apache.hadoop.mapred.Task.saveTaskOutput(
        at org.apache.hadoop.mapred.LocalJobRunner$
2007-12-27 13:54:24,843 FATAL crawl.Injector - Injector: Job failed!
        at org.apache.hadoop.mapred.JobClient.runJob(
        at org.apache.nutch.crawl.Injector.inject(
        at org.apache.hadoop.util.ToolBase.doMain(
        at org.apache.nutch.crawl.Injector.main(

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

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