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Posted to dev@giraph.apache.org by "Avery Ching (JIRA)" <ji...@apache.org> on 2013/04/08 19:05:16 UTC
[jira] [Created] (GIRAPH-609) More information on runtime
exceptions for Callables
Avery Ching created GIRAPH-609:
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Summary: 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
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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