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From "Eugene Koontz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-212) Security is busted since GIRAPH-168
Date Wed, 27 Jun 2012 19:35:44 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13402509#comment-13402509
] 

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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