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From "Avery Ching (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (GIRAPH-152) NPE at PageRankBenchmark
Date Mon, 20 Feb 2012 17:15:34 GMT

     [ https://issues.apache.org/jira/browse/GIRAPH-152?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Avery Ching resolved GIRAPH-152.
--------------------------------

    Resolution: Duplicate

This is a duplicate of GIRAPH-150.  Please see the fix there.
                
> NPE at PageRankBenchmark
> ------------------------
>
>                 Key: GIRAPH-152
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-152
>             Project: Giraph
>          Issue Type: Bug
>          Components: examples
>    Affects Versions: 0.2.0
>         Environment: Hadoop-0.20.205.0
> Linux: Amazon EC2, standard one "Amazon Linux 32 bit"
> Giraph: compiled from CL 1245205
>            Reporter: Yury Litvinov
>
> 1. I've copied hadoop-0.20.205.0 into Amazon EC2 linux
> 2. Compiled latest Giraph (giraph-0.2-SNAPSHOT-jar-with-dependencies.jar) from sources
(CL 1245205) and copied it to Linux as well: 
> 3. Run this command as suggested in docs (https://cwiki.apache.org/confluence/display/GIRAPH/Quick+Start+Guide)
> > hadoop-0.20.205.0/bin/hadoop jar giraph-0.2-SNAPSHOT-jar-with-dependencies.jar org.apache.giraph.benchmark.PageRankBenchmark
-e 1 -s 3 -v -V 50000 -w 1
> OBSERVED:
> {code} 
> Exception in thread "main" java.lang.NullPointerException
>         at org.apache.giraph.benchmark.PageRankBenchmark.run(PageRankBenchmark.java:127)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
>         at org.apache.giraph.benchmark.PageRankBenchmark.main(PageRankBenchmark.java:162)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
> {code} 

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