Injector: Converting injected urls to crawl db entries.

[admin Local Serveur]

hi !

I Have :

Injector: Converting injected urls to crawl db entries. 
Exception in thread "main" java.io.IOException: Job failed! 
        at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:604) 
        at org.apache.nutch.crawl.Injector.inject(Injector.java:162) 
        at org.apache.nutch.crawl.Crawl.main(Crawl.java:115) 

Why ???

Thanks !