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From "Kelvin Kakugawa (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-1903) NullPointerException from o.a.c.db.ReplicateOnWriteTask
Date Mon, 27 Dec 2010 23:12:46 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-1903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12975373#action_12975373
] 

Kelvin Kakugawa commented on CASSANDRA-1903:
--------------------------------------------

R-O-W is optional.

The goal is to provide faster convergence for CL.ONE writes.

> NullPointerException from o.a.c.db.ReplicateOnWriteTask
> -------------------------------------------------------
>
>                 Key: CASSANDRA-1903
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1903
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Eric Evans
>            Assignee: Kelvin Kakugawa
>         Attachments: thrift-test.py
>
>
> I'm seeing a whole lot of these when writing to a node.
>  
> {noformat}
> java.lang.NullPointerException
> 	at org.apache.cassandra.db.ReplicateOnWriteTask.run(ReplicateOnWriteTask.java:97)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> 	at java.lang.Thread.run(Thread.java:636)
> {noformat}
> I don't think it will be difficult to reproduce, but the script I'm using is attached.
> I bisected the source tree and and http://svn.apache.org/viewvc?view=rev&revision=1052356
seems to the culprit (a merge from 0.7).  Maybe CASSANDRA-1530?

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