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https://issues.apache.org/jira/browse/GIRAPH-212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13402509#comment-13402509
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Eugene Koontz commented on GIRAPH-212:
--------------------------------------
Jakob, interesting. I am getting a probably-related RPC error with w=2:
{code}
12/06/27 19:31:11 INFO mapred.TaskInProgress: Error from
attempt_201206271922_0003_m_000002_0: java.lang.NullPointerException
at
org.apache.giraph.comm.BasicRPCCommunications.sendPartitionReq(BasicRPCCommunications.java:911)
at
org.apache.giraph.graph.BspServiceWorker.loadVertices(BspServiceWorker.java:322)
at
org.apache.giraph.graph.BspServiceWorker.setup(BspServiceWorker.java:594)
at org.apache.giraph.graph.GraphMapper.setup(GraphMapper.java:473)
at org.apache.giraph.graph.GraphMapper.run(GraphMapper.java:645)
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:1093)
at org.apache.hadoop.mapred.Child.main(Child.java:249)
{code}
Continuing to look into this.
> Security is busted since GIRAPH-168
> -----------------------------------
>
> Key: GIRAPH-212
> URL: https://issues.apache.org/jira/browse/GIRAPH-212
> Project: Giraph
> Issue Type: Bug
> Components: build
> Affects Versions: 0.2.0
> Reporter: Jakob Homan
> Assignee: Jakob Homan
> Priority: Critical
> Fix For: 0.2.0
>
> Attachments: core-site.xml, hdfs-site.xml, mapred-site.xml
>
>
> As reported on the mailing list and verified here on our clusters,
> something's gone screwy with Giraph jobs on secure hadoop. I reverted back
> before GIRAPH-168 and this goes away, although I've not found out what it is
> yet (and may not be 168).
> RPC clients are trying to open connections with the wrong configuration
> relative to the servers.
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