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From "Avery Ching (JIRA)" <>
Subject [jira] [Updated] (GIRAPH-34) Failure of Vertex reflection for putVertexList from GIRAPH-27
Date Fri, 16 Sep 2011 05:54:08 GMT


Avery Ching updated GIRAPH-34:

    Attachment: GIRAPH-34.patch

Try running the unittests against an actual Hadoop instance (i.e. if you run 'mvn package
-Dprop.mapred.job.tracker=localhost:50300 -Dtest=TestVertexRangeBalancer').  I have a fix
for the first part (reflection), but it seems like there is another component to the bug where
messages are getting delivered early in some weird cases...

Unfortunately it's a little hard to rip the fix out of my checkout since I was working on
GIRAPH-17.  This is a part of it to make the Vertex configurable since in putVertexList will
reflect the Vertex and reflection fails because of trying to get the context from a null graph
state.  Sorry for the lack of detail but I have to wake up in less than 4 hours! =)

> Failure of Vertex reflection for putVertexList from GIRAPH-27 
> --------------------------------------------------------------
>                 Key: GIRAPH-34
>                 URL:
>             Project: Giraph
>          Issue Type: Bug
>            Reporter: Christian Kunz
>            Assignee: Avery Ching
>         Attachments: GIRAPH-34.patch
> Christian actually found this bug.  I am filing the JIRA on his behalf.  Here's my error
when running TestVertexRangeBalancer.  
> java.lang.RuntimeException: Call to returnwhose-lm/
failed on local exception:
> 	at org.apache.giraph.comm.BasicRPCCommunications.sendVertexListReq(
> 	at org.apache.giraph.graph.BspServiceWorker.exchangeVertexRanges(
> 	at
> 	at
> 	at org.apache.hadoop.mapred.MapTask.runNewMapper(
> 	at
> 	at org.apache.hadoop.mapred.Child$
> 	at Method)
> 	at
> 	at
> 	at org.apache.hadoop.mapred.Child.main(
> Caused by: Call to returnwhose-lm/ failed on
local exception:
> 	at org.apache.hadoop.ipc.Client.wrapException(
> 	at
> 	at org.apache.hadoop.ipc.RPC$Invoker.invoke(
> 	at $Proxy3.putVertexList(Unknown Source)
> 	at org.apache.giraph.comm.BasicRPCCommunications.sendVertexListReq(
> 	... 10 more
> Caused by:
> 	at
> 	at org.apache.hadoop.ipc.Client$Connection.receiveResponse(
> 	at org.apache.hadoop.ipc.Client$
> I identified and fixed the issue by making BasicVertex implement Configurable and making
the graph state set in BasicRPCCommunications.  There is one more error though that I'll try
and solve before putting up a reviewboard.

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