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From "Edward J. Yoon" <edwardy...@apache.org>
Subject java.lang.ArrayIndexOutOfBoundsException
Date Sun, 30 Nov 2008 03:02:01 GMT
In large scale, Hama may able to beat the scalapack or other math
libraries :) BTW, current block multiplication seems have a lot of
bug.

----
08/11/30 11:52:15 INFO mapred.JobClient:  map 95% reduce 0%
08/11/30 11:52:17 INFO mapred.JobClient:  map 96% reduce 0%
08/11/30 11:52:19 INFO mapred.JobClient:  map 98% reduce 0%
08/11/30 11:52:20 INFO mapred.JobClient:  map 100% reduce 0%
08/11/30 11:52:39 INFO mapred.JobClient:  map 100% reduce 1%
08/11/30 11:52:46 INFO mapred.JobClient:  map 100% reduce 0%
08/11/30 11:52:46 INFO mapred.JobClient: Task Id : attempt_200811271544_0006_r_0
00000_0, Status : FAILED
java.lang.ArrayIndexOutOfBoundsException: 10
        at org.apache.hama.SubMatrix.set(SubMatrix.java:61)
        at org.apache.hama.mapred.BlockingMapRed$BlockingReducer.reduce(Blocking
MapRed.java:146)
        at org.apache.hama.mapred.BlockingMapRed$BlockingReducer.reduce(Blocking
MapRed.java:127)
        at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:318)
        at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2207
)

08/11/30 11:52:48 INFO mapred.JobClient: Task Id : attempt_200811271544_0006_r_0
00002_0, Status : FAILED
java.lang.ArrayIndexOutOfBoundsException: 10
        at org.apache.hama.SubMatrix.set(SubMatrix.java:61)
        at org.apache.hama.mapred.BlockingMapRed$BlockingReducer.reduce(Blocking
MapRed.java:146)
        at org.apache.hama.mapred.BlockingMapRed$BlockingReducer.reduce(Blocking
MapRed.java:127)
        at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:318)
        at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2207
)

08/11/30 11:52:50 INFO mapred.JobClient: Task Id : attempt_200811271544_0006_r_0
00001_0, Status : FAILED
java.lang.ArrayIndexOutOfBoundsException: 10
        at org.apache.hama.SubMatrix.set(SubMatrix.java:61)
        at org.apache.hama.mapred.BlockingMapRed$BlockingReducer.reduce(Blocking
MapRed.java:146)
        at org.apache.hama.mapred.BlockingMapRed$BlockingReducer.reduce(Blocking
MapRed.java:127)
        at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:318)
        at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2207
)

08/11/30 11:54:02 INFO mapred.JobClient:  map 100% reduce 1%
08/11/30 11:54:22 INFO mapred.JobClient:  map 100% reduce 0%
08/11/30 11:54:22 INFO mapred.JobClient: Task Id : attempt_200811271544_0006_r_0
00003_0, Status : FAILED
java.lang.ArrayIndexOutOfBoundsException: 10
        at org.apache.hama.SubMatrix.set(SubMatrix.java:61)
        at org.apache.hama.mapred.BlockingMapRed$BlockingReducer.reduce(Blocking
MapRed.java:146)
        at org.apache.hama.mapred.BlockingMapRed$BlockingReducer.reduce(Blocking
MapRed.java:127)
        at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:318)
        at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2207
)

08/11/30 11:54:42 INFO mapred.JobClient:  map 100% reduce 1%
08/11/30 11:54:51 INFO mapred.JobClient:  map 100% reduce 0%
08/11/30 11:54:51 INFO mapred.JobClient: Task Id : attempt_200811271544_0006_r_0
00000_1, Status : FAILED
java.lang.ArrayIndexOutOfBoundsException: 10
        at org.apache.hama.SubMatrix.set(SubMatrix.java:61)
        at org.apache.hama.mapred.BlockingMapRed$BlockingReducer.reduce(Blocking
MapRed.java:146)
        at org.apache.hama.mapred.BlockingMapRed$BlockingReducer.reduce(Blocking
MapRed.java:127)
        at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:318)
        at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2207
)

-- 
Best Regards, Edward J. Yoon @ NHN, corp.
edwardyoon@apache.org
http://blog.udanax.org

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