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https://issues.apache.org/jira/browse/GIRAPH-138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dionysios Logothetis resolved GIRAPH-138.
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Resolution: Abandoned
> Don't throw stack trace for classes that aren't vertices
> --------------------------------------------------------
>
> Key: GIRAPH-138
> URL: https://issues.apache.org/jira/browse/GIRAPH-138
> Project: Giraph
> Issue Type: Improvement
> Reporter: Jakob Homan
> Priority: Major
>
> Currently if one passes in a class that isn't a vertex, we throw up a
> complete stack trace:
> {noformat}[tardis giraph-0.1]$ bin/giraph lib/giraph-0.1.jar
> org.apache.giraph.benchmark.PageRankBenchmark -w 10 -if
> org.apache.giraph.benchmark.PseudoRandomVertexInputFormat
> Exception in thread "main" java.lang.RuntimeException: class
> org.apache.giraph.benchmark.PageRankBenchmark not
> org.apache.giraph.graph.BasicVertex
> at org.apache.hadoop.conf.Configuration.setClass(Configuration.java:858)
> at org.apache.giraph.graph.GiraphJob.setVertexClass(GiraphJob.java:395)
> at org.apache.giraph.GiraphRunner.run(GiraphRunner.java:94)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
> at org.apache.giraph.GiraphRunner.main(GiraphRunner.java:132)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:156){noformat}
> This type of user error is routine and should be caught and result in a more
> descriptive error message.
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