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From "Otto, Frank" <o...@delta-barth.de>
Subject AW: permission problems in hadoop MapFile (0.12)
Date Fri, 24 Aug 2007 12:16:14 GMT
Can nobody help me?

Why does hadoop write in /root/? I do think with the folders in hadoop configuration files,
I can set all needed folders.


kind regards

Frank

> -----Urspr√ľngliche Nachricht-----
> Von: Otto, Frank [mailto:otto@delta-barth.de]
> Gesendet: Mittwoch, 22. August 2007 13:40
> An: 'hadoop-user@lucene.apache.org'
> Betreff: permission problems in hadoop MapFile (0.12)
> 
> 
> hi,
> 
> I'm running nutch at a webapp on a webserver, which is 
> hostetd by a provider. If I want to crawl, I will get 
> following exception:
> 
> java.io.IOException: Mkdirs failed to create directory 
> /root/linkdb-657635469/part-00000        
> at 
> org.apache.hadoop.io.MapFile$Writer.<init>(MapFile.java:121)        
> at org.apache.hadoop.io.MapFile$Writer.<init>(MapFile.java:84)        
> at 
> org.apache.hadoop.mapred.MapFileOutputFormat.getRecordWriter(M
> apFileOutputFormat.java:44)        
> at 
> org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:292)        
> at 
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner
> .java:155) 
> 
> 
> I have no write acces to /root/. How can I change this 
> folder?  I have set in hadoop-site.xml the hadoop.tmp.dir.
> 
> 
> kind regards
> 
> Frank
> 

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