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https://issues.apache.org/jira/browse/HAMA-282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12929441#action_12929441
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Edward J. Yoon commented on HAMA-282:
-------------------------------------
not work on distibuted system with below message.
{code}
2010-11-08 11:49:40,599 INFO org.apache.hadoop.ipc.Server: IPC Server handler 0
on 40000, call heartbeat(org.apache.hama.bsp.groomserversta...@670fe2b9, false,
false, true, 2, 1) from 192.168.123.138:34583: error: java.io.IOException:
java.lang.NullPointerException
java.io.IOException: java.lang.NullPointerException
at
org.apache.hama.bsp.JobInProgress.updateTaskStatus(JobInProgress.java:191)
at
org.apache.hama.bsp.JobInProgress.completedTask(JobInProgress.java:162)
at org.apache.hama.bsp.BSPMaster.updateTaskStatuses(BSPMaster.java:418)
at org.apache.hama.bsp.BSPMaster.heartbeat(BSPMaster.java:372)
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.ipc.RPC$Server.call(RPC.java:508)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
{code}
> Add superstep counter
> ---------------------
>
> Key: HAMA-282
> URL: https://issues.apache.org/jira/browse/HAMA-282
> Project: Hama
> Issue Type: New Feature
> Components: bsp
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Filipe Manana
> Fix For: 0.2.0
>
> Attachments: hama-282.patch, HAMA-282_v02.patch, hama-282_v03.patch
>
>
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