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https://issues.apache.org/jira/browse/GIRAPH-609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14558210#comment-14558210
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Laxmidhar Mishra commented on GIRAPH-609:
-----------------------------------------
How to resolve this...i am new to Giraph ..I am facing same problem..how to run
this Patch file..can anyone help me
?????
> More information on runtime exceptions for Callables
> ----------------------------------------------------
>
> Key: GIRAPH-609
> URL: https://issues.apache.org/jira/browse/GIRAPH-609
> Project: Giraph
> Issue Type: Bug
> Reporter: Avery Ching
> Assignee: Avery Ching
> Attachments: GIRAPH-609.patch
>
>
> We ocassionally see errors in user code such as
> java.lang.IllegalStateException: run: Caught an unrecoverable exception
> waitFor: ExecutionException occurred while waiting for
> org.apache.giraph.utils.ProgressableUtils$FutureWaitable@7215f9e4 at
> org.apache.giraph.graph.GraphMapper.run(GraphMapper.java:102) at
> org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:632) at
> org.apache.hadoop.mapred.MapTask.run(MapTask.java:307) at
> org.apache.hadoop.mapred.Child.main(Child.java:171) Caused by:
> java.lang.IllegalStateException: waitFor: ExecutionException occurred while
> waiting for org.apache.giraph.utils.ProgressableUtils$FutureWaitable@7215f9e4
> at
> org.apache.giraph.utils.ProgressableUtils.waitFor(ProgressableUtils.java:145)
> at
> org.apache.giraph.utils.ProgressableUtils.waitForever(ProgressableUtils.java:105)
> at
> org.apache.giraph.utils.ProgressableUtils.getFutureResult(ProgressableUtils.java:67)
> at
> org.apache.giraph.graph.GraphTaskManager.processGraphPartitions(GraphTaskManager.java:738)
> at
> org.apache.giraph.graph.GraphTaskManager.execute(GraphTaskManager.java:267)
> at org.apache.giraph.graph.GraphMapper.run(GraphMapper.java:92) ... 3 more
> Caused by: java.util.concurrent.ExecutionException:
> java.lang.ArrayIndexOutOfBoundsException at
> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:262) at
> java.util.concurrent.FutureTask.get(FutureTask.java:119) at
> org.apache.giraph.utils.ProgressableUtils$FutureWaitable.waitFor(ProgressableUtils.java:232)
> at
> org.apache.giraph.utils.ProgressableUtils.waitFor(ProgressableUtils.java:137)
> ... 8 more Caused by: java.lang.ArrayIndexOutOfBoundsException ,Job killed
> But it doesn't provide a lot of information about the actual stack trace in
> the user land code of the callable. We can wrap the invocation of the
> Callable#run() to get access to this stack, which can be very helpful for
> debugging user code.
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