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From "Prakash Panjwani (JIRA)" <>
Subject [jira] Created: (NUTCH-778) Running Nutch On linux having whoami exception?
Date Sat, 09 Jan 2010 11:17:54 GMT
Running Nutch On linux having whoami exception?

                 Key: NUTCH-778
             Project: Nutch
          Issue Type: Bug
    Affects Versions: 1.0.0
         Environment: Linux (RedHat)
            Reporter: Prakash Panjwani
             Fix For: 1.0.0

I want to run nutch on the linux kernel,I have loged in as a root user, I have setted all
the environment variable and nutch file setting. I have created a url.txt file which content
the url to crawl, When i am trying to run nutch using following command

bin/nutch crawl urls -dir pra

it generates following exception.

crawl started in: pra
rootUrlDir = urls
threads = 10
depth = 5
Injector: starting
Injector: crawlDb: pra/crawldb
Injector: urlDir: urls
Injector: Converting injected urls to crawl db entries.
Exception in thread "main" Failed to get the current user's information.
        at org.apache.hadoop.mapred.JobClient.getUGI(
        at org.apache.hadoop.mapred.JobClient.configureCommandLineOptions(
        at org.apache.hadoop.mapred.JobClient.submitJob(
        at org.apache.hadoop.mapred.JobClient.runJob(
        at org.apache.nutch.crawl.Injector.inject(
        at org.apache.nutch.crawl.Crawl.main(
Caused by: Login failed: Cannot run program "whoami": error=12, Cannot allocate memory
        at org.apache.hadoop.mapred.JobClient.getUGI(
        ... 5 more

Server has enough space to run any java application.I have attached the statics..

 total       used       free  
Mem:        524320     194632     329688 
-/+ buffers/cache:     194632     329688
Swap:      2475680          0    2475680
Total:     3000000     194632    2805368

Is it sufficient memory space for nutch? Please some one help me ,I am new with linux kernel
and nutch. 
Thanks in Advance.

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