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From "Yury Litvinov (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (GIRAPH-152) NPE at PageRankBenchmark
Date Mon, 20 Feb 2012 09:46:34 GMT
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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