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https://issues.apache.org/jira/browse/HAMA-359?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13032960#comment-13032960
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Thomas Jungblut commented on HAMA-359:
--------------------------------------
{noformat}
2011-05-13 12:55:14,227 INFO org.apache.hadoop.ipc.Server: IPC Server handler 7
on 56482, call sync() from 127.0.0.
1:58149: error: java.io.IOException:
org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode
for /bsp/horner:61000
java.io.IOException: org.apache.zookeeper.KeeperException$NoNodeException:
KeeperErrorCode = NoNode for /bsp/horner
:61000
at org.apache.zookeeper.KeeperException.create(KeeperException.java:102)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
at org.apache.zookeeper.ZooKeeper.delete(ZooKeeper.java:728)
at org.apache.hama.bsp.BSPPeer.leaveBarrier(BSPPeer.java:262)
at org.apache.hama.bsp.BSPPeer.sync(BSPPeer.java:203)
at org.apache.hama.bsp.GroomServer.sync(GroomServer.java:924)
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$1.run(Server.java:961)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:957)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:955)
{noformat}
You're right with the barrier.
> Development of Shortest Path Finding Algorithm
> ----------------------------------------------
>
> Key: HAMA-359
> URL: https://issues.apache.org/jira/browse/HAMA-359
> Project: Hama
> Issue Type: New Feature
> Components: examples
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Thomas Jungblut
> Labels: gsoc, gsoc2011, mentor
> Fix For: 0.3.0
>
> Attachments: HAMA-359-v2.patch, HAMA-359-v3.patch, HAMA-359-v4.patch,
> HAMA-359.patch, eddie.patch
>
> Original Estimate: 2016h
> Remaining Estimate: 2016h
>
> The goal of this project is development of parallel algorithm for finding a
> Shortest Path using Hama BSP.
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