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https://issues.apache.org/jira/browse/HAMA-495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13217836#comment-13217836
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Edward J. Yoon commented on HAMA-495:
-------------------------------------
{code}
slave.udanax.org: starting groom, logging to
/home/edward/workspace/hama-trunk/bin/../logs/hama-edward-groom-slave.out
tweetple.com: Exception in thread "Thread-25" java.lang.NullPointerException
tweetple.com: at
org.apache.hama.monitor.Configurator.configure(Configurator.java:62)
tweetple.com: at
org.apache.hama.monitor.Monitor$Initializer.run(Monitor.java:350)
slave.udanax.org: Exception in thread "Thread-25" java.lang.NullPointerException
slave.udanax.org: at
org.apache.hama.monitor.Configurator.configure(Configurator.java:62)
slave.udanax.org: at
org.apache.hama.monitor.Monitor$Initializer.run(Monitor.java:350)
edward@slave:~/workspace/hama-trunk$ bin/stop-bspd.sh
stopping bspmaster
tweetple.com: stopping groom
slave.udanax.org: stopping groom
slave.udanax.org: stopping zookeeper
edward@slave:~/workspace/hama-trunk$ bin/start-bspd.sh
slave.udanax.org: starting zookeeper, logging to
/home/edward/workspace/hama-trunk/bin/../logs/hama-edward-zookeeper-slave.out
starting bspmaster, logging to
/home/edward/workspace/hama-trunk/bin/../logs/hama-edward-bspmaster-slave.out
tweetple.com: starting groom, logging to
/home/edward/workspace/hama-trunk/bin/../logs/hama-edward-groom-tweetple.com.out
slave.udanax.org: starting groom, logging to
/home/edward/workspace/hama-trunk/bin/../logs/hama-edward-groom-slave.out
edward@slave:~/workspace/hama-trunk$
{code}
Sometimes, it throws NullPointerExceptions.
> Resource management
> --------------------
>
> Key: HAMA-495
> URL: https://issues.apache.org/jira/browse/HAMA-495
> Project: Hama
> Issue Type: Improvement
> Components: bsp
> Reporter: ChiaHung Lin
> Assignee: ChiaHung Lin
> Fix For: 0.5.0
>
> Attachments: HAMA-495.patch
>
>
> HAMA-363 provides a way to access to cluster status. Some additional
> features, such as federation, are required so the system can have better
> coordination, and the master would have ideas about the whole system.
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