srinath wrote:
> Hi,
>     I have an issue while creating inverted links for fetched segments (i
> can able to parse them sucessfully but while i'm creatign inverted links
> it's failing...even it's becoming difficult to trace where it when wrong)
>
> I hae used the following commands for inverting links
>
> ./bin/nutch invertlinks linkdb -dir mysegments  
>                      .. before executing this command i have created linkdb
> directory in dfs 
> even i tired to invert only one segment inside mysegments folder
> ./bin/nutch invertlinks linkdb mysegments/2007120
>                               
>                              Im continuously getting same exception
> .......... as follows
>
> LinkDb: starting
> LinkDb: linkdb: linkdb
> LinkDb: URL normalize: true
> LinkDb: URL filter: true
> LinkDb: adding segment: /user/nutch/mysegments/20070109142516
> LinkDb: adding segment: /user/nutch/mysegments/20070109160103
> LinkDb: adding segment: /user/nutch/mysegments/20070110180547
> LinkDb: adding segment: /user/nutch/mysegments/20070112191924
> LinkDb: java.io.IOException: Job failed!
>         at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:399)
>         at org.apache.nutch.crawl.LinkDb.invert(LinkDb.java:232)
>         at org.apache.nutch.crawl.LinkDb.run(LinkDb.java:377)
>         at org.apache.hadoop.util.ToolBase.doMain(ToolBase.java:189)
>         at org.apache.nutch.crawl.LinkDb.main(LinkDb.java:333)
>
>
> can anyone have an idea about this? please kindly help me out!
>
>   

This exception doesn't tell anything except that the job failed... You 
need to increase the logging level to DEBUG - please check 
log4j.properties .

My guess is that most likely one of these segments is unfetched or 
corrupted.

-- 
Best regards,
Andrzej Bialecki     <><
 ___. ___ ___ ___ _ _   __________________________________
[__ || __|__/|__||\/|  Information Retrieval, Semantic Web
___|||__||  \|  ||  |  Embedded Unix, System Integration
http://www.sigram.com  Contact: info at sigram dot com



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