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