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Posted to dev@giraph.apache.org by "Eli Reisman (JIRA)" <ji...@apache.org> on 2012/09/07 01:09:07 UTC
[jira] [Commented] (GIRAPH-321) Divide by 0 exception
[ https://issues.apache.org/jira/browse/GIRAPH-321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13450130#comment-13450130 ]
Eli Reisman commented on GIRAPH-321:
------------------------------------
Ouch. Will check it out now.
> Divide by 0 exception
> ---------------------
>
> Key: GIRAPH-321
> URL: https://issues.apache.org/jira/browse/GIRAPH-321
> Project: Giraph
> Issue Type: Bug
> Reporter: Avery Ching
>
> hadoop jar giraph-0.2-SNAPSHOT-for-hadoop-0.20.203.0-jar-with-dependencies.jar
> org.apache.giraph.GiraphRunner \
> org.apache.giraph.examples.SimplePageRankVertex -w 1 \
> -if org.apache.giraph.examples.LongDoubleFloatDoubleTextInputFormat
> -ip graph.txt
> -of org.apache.giraph.examples.VertexWithDoubleValueFloatEdgeTextOutputFormat
> -op output
> where graph.txt has the following content:
> 1 2:1.0 3:1.0 4:1.0
> 2 1:1.0 3:1.0
> 3 1:1.0
> 4 1:1.0 3:1.0
> One of the mappers gives throws a divbyzero exception.
> java.lang.ArithmeticException: / by zero
> at org.apache.giraph.graph.LocalityInfoSorter.prioritizeLocalInputSplits(LocalityInfoSorter.java:107)
> at org.apache.giraph.graph.LocalityInfoSorter.<init>(LocalityInfoSorter.java:71)
> at org.apache.giraph.graph.BspServiceWorker.reserveInputSplit(BspServiceWorker.java:228)
> at org.apache.giraph.graph.BspServiceWorker.loadVertices(BspServiceWorker.java:317)
> at org.apache.giraph.graph.BspServiceWorker.setup(BspServiceWorker.java:604)
> at org.apache.giraph.graph.GraphMapper.setup(GraphMapper.java:368)
> at org.apache.giraph.graph.GraphMapper.run(GraphMapper.java:569)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:764)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:370)
> at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:396)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
> at org.apache.hadoop.mapred.Child.main(Child.java:249)
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