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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