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From Avery Ching <ach...@apache.org>
Subject Re: Problem with zookeeper setup
Date Wed, 20 Jun 2012 02:04:48 GMT
If you're running without a real Hadoop instance, you'll need to blow 
away the zk directories after running the first time.  Hope that helps,

Avery

On 6/19/12 5:39 PM, Jonathan Bishop wrote:
> Hi,
>
> I am exploring Giraph 0.1 and was able to download, build, and run all 
> the tests - all 58 passed.
>
> I can also run the SimpleShortestPathsVertex test using the supplied 
> giraph jar. However, when I copy the java src file into eclipse and 
> build my own jar I get the following error which leads me to believe 
> that something is going wrong with the ZK setup.
>
>
>     12/06/19 17:31:31 INFO mapred.JobClient: Running job:
>     job_201206191708_0003
>     12/06/19 17:31:32 INFO mapred.JobClient:  map 0% reduce 0%
>     12/06/19 17:32:14 INFO mapred.JobClient: Task Id :
>     attempt_201206191708_0003_m_000000_0, Status : FAILED
>     java.lang.IllegalStateException: run: Caught an unrecoverable
>     exception onlineZooKeeperServers: Failed to connect in 10 tries!
>     at org.apache.giraph.graph.GraphMapper.run(GraphMapper.java:641)
>     at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:764)
>     at org.apache.hadoop.mapred.MapTask.run(MapTask.java:370)
>     at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
>     at java.security.AccessController.doPrivileged(Native Method)
>     at javax.security.auth.Subject.doAs(Subject.java:416)
>     at
>     org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059)
>     at org.apache.hadoop.mapred.Child.main(Child.java:249)
>     Caused by: java.lang.IllegalStateException:
>     onlineZooKeeperServers: Failed to connect in 10 tries!
>     at
>     org.apache.giraph.zk.ZooKeeperManager.onlineZooKeeperServers(ZooKeeperManager.java:658)
>     at org.apache.giraph.graph.GraphMapper.setup(GraphMapper.java:409)
>     at org.apache.giraph.graph.GraphMapper.run(GraphMapper.java:630)
>     ... 7 more
>
>     attempt_201206191708_0003_m_000000_0: log4j:WARN No appenders
>     could be found for logger (org.apache.giraph.zk.ZooKeeperManager).
>     attempt_201206191708_0003_m_000000_0: log4j:WARN Please initialize
>     the log4j system properly.
>
> BTW, I needed to add the following line to get this to run from my own 
> jar file...
>
>     job.setJarByClass(SimpleShortestPathsVertex.class)
>
>
> Not sure if that is related but it seems that it will not run without 
> this (it can not find SimpleShortestPathsVertex.
>
> Thanks,
>
> Jon Bishop
>
>


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