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From "Sami Siren (JIRA)" <j...@apache.org>
Subject [jira] Commented: (NUTCH-361) generator create fetchlist randomly
Date Wed, 06 Sep 2006 14:35:23 GMT
    [ http://issues.apache.org/jira/browse/NUTCH-361?page=comments#action_12432861 ] 
            
Sami Siren commented on NUTCH-361:
----------------------------------

nightly buils are broken because of this problem, I scratched my head for a long time because
my local shource was working perfectly - then i noticed that I had set following prop in my
hadoop-site.xml:


<property>
  <name>mapred.map.tasks</name>
  <value>1</value>
  <description>
    define mapred.map tasks to be number of slave hosts
  </description>
</property>

I need to dig further, possibly the testcase is broken.

> generator create fetchlist randomly
> -----------------------------------
>
>                 Key: NUTCH-361
>                 URL: http://issues.apache.org/jira/browse/NUTCH-361
>             Project: Nutch
>          Issue Type: Bug
>          Components: fetcher
>    Affects Versions: 0.9.0
>         Environment: Java 1.5, FreeBSD 6.1
>            Reporter: Uros Gruber
>            Priority: Critical
>         Attachments: partition.diff
>
>
> I noticed problems during generating fetchlist. I already post some info at the users
list. Today I check release 0.8 and I'm certain that problem is only in version later than
this. I've do testnig only on 0.8 and svn from today.
> The problem is that generator generate fetchlist from crawldb but everytime i run there
is different number of urls in fetchlist.
> For example I put 6 test urls we have for testing and only 5 of 20 test there were all
urls listed in fetchlist, sometimes onyl one. Config was always the same also when testing
at version 0.8.
> I try to debug what might go wrong but I only end up that in /tmp there were all urls
but somehow missed in crawl_generate
> I also se some of 
> 2006-09-02 20:14:20,147 DEBUG conf.Configuration - java.io.IOException: config(config)
>         at org.apache.hadoop.conf.Configuration.<init>(Configuration.java:76)
>         at org.apache.hadoop.mapred.JobConf.<init>(JobConf.java:87)
>         at org.apache.hadoop.mapred.JobConf.<init>(JobConf.java:98)
>         at org.apache.nutch.util.NutchJob.<init>(NutchJob.java:26)
>         at org.apache.nutch.crawl.Generator.generate(Generator.java:330)
>         at org.apache.nutch.crawl.Generator.run(Generator.java:405)
>         at org.apache.nutch.util.ToolBase.doMain(ToolBase.java:145)
>         at org.apache.nutch.crawl.Generator.main(Generator.java:372)
> if I enable DEBUG loging but I doubt that this has anything to do with this.

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