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https://issues.apache.org/jira/browse/GIRAPH-601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13617626#comment-13617626
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Maja Kabiljo commented on GIRAPH-601:
-------------------------------------
[~ekoontz] Is your giraph.SplitMasterWorker true or false?
> Exception when running pagerank benchmark: SendVertexRequest cannot be cast
> to MasterRequest
> --------------------------------------------------------------------------------------------
>
> Key: GIRAPH-601
> URL: https://issues.apache.org/jira/browse/GIRAPH-601
> Project: Giraph
> Issue Type: Bug
> Reporter: Eugene Koontz
>
> Building Giraph with:
> {code}
> mvn -DskipTests -Phadoop_2.0.3 clean compile
> {code}
> Running pagerank like this:
> {code}
> $HADOOP_RUNTIME/bin/hadoop jar $JAR \
> org.apache.giraph.benchmark.PageRankBenchmark \
> -e 10 -s 10 -v -V 10 -w 6
> {code}
> I see this in
> /tmp/userlogs/application_1364578380737_0003/container_1364578380737_0003_01_000002/
> :
> {code}
> 2013-03-29 10:58:06,371 DEBUG [org.apache.giraph.master.MasterThread]
> org.apache.giraph.master.BspServiceMaster: barrierOnWorkerList: Got finished
> worker list = [Eugenes-MacBook-Pro.local_1, Eugenes-MacBook-Pro.local_3],
> size = 2, worker list = [Worker(hostname=Eugenes-MacBook-Pro.local,
> MRtaskID=2, port=30002), Worker(hostname=Eugenes-MacBook-Pro.local,
> MRtaskID=1, port=30001), Worker(hostname=Eugenes-MacBook-Pro.local,
> MRtaskID=4, port=30004), Worker(hostname=Eugenes-MacBook-Pro.local,
> MRtaskID=3, port=30003), Worker(hostname=Eugenes-MacBook-Pro.local,
> MRtaskID=5, port=30005), Worker(hostname=Eugenes-MacBook-Pro.local,
> MRtaskID=0, port=30010)], size = 6 from
> /_hadoopBsp/job_1364578380737_0003/_vertexInputSplitDoneDir
> 2013-03-29 10:58:06,373 WARN [netty-server-exec-3]
> org.apache.giraph.comm.netty.handler.RequestServerHandler: exceptionCaught:
> Channel failed with remote address /172.16.175.1:56236
> java.lang.ClassCastException:
> org.apache.giraph.comm.requests.SendVertexRequest cannot be cast to
> org.apache.giraph.comm.requests.MasterRequest
> at
> org.apache.giraph.comm.netty.handler.MasterRequestServerHandler.processRequest(MasterRequestServerHandler.java:27)
> at
> org.apache.giraph.comm.netty.handler.RequestServerHandler.messageReceived(RequestServerHandler.java:106)
> at
> org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296)
> at
> org.jboss.netty.handler.codec.oneone.OneToOneDecoder.handleUpstream(OneToOneDecoder.java:71)
> at
> org.jboss.netty.handler.execution.ChannelUpstreamEventRunnable.doRun(ChannelUpstreamEventRunnable.java:45)
> at
> org.jboss.netty.handler.execution.ChannelEventRunnable.run(ChannelEventRunnable.java:69)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> at java.lang.Thread.run(Thread.java:680)
> {code}
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