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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (CASSANDRA-2282) ReadCallback AssertionError: resolver.getMessageCount() <= endpoints.size()
Date Wed, 09 Mar 2011 14:58:59 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-2282?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis resolved CASSANDRA-2282.
---------------------------------------

    Resolution: Fixed
      Reviewer: thobbs
      Assignee: Jonathan Ellis

committed

> ReadCallback AssertionError: resolver.getMessageCount() <= endpoints.size()
> ---------------------------------------------------------------------------
>
>                 Key: CASSANDRA-2282
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2282
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.7.3
>            Reporter: Tyler Hobbs
>            Assignee: Jonathan Ellis
>         Attachments: 2282-v2.txt, 2282.txt
>
>
> In a three node cluster with RF=2, when trying to page through all rows with get_range_slices()
at CL.ONE, I get timeouts on the client side.  Looking at the Cassandra logs, all of the nodes
show the following AssertionError repeatedly:
> {noformat}
> ERROR [RequestResponseStage:2] 2011-03-07 19:10:27,527 DebuggableThreadPoolExecutor.java
(line 103) Error in ThreadPoolExecutor
> java.lang.AssertionError
>         at org.apache.cassandra.service.ReadCallback.response(ReadCallback.java:127)
>         at org.apache.cassandra.net.ResponseVerbHandler.doVerb(ResponseVerbHandler.java:49)
>         at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>         at java.lang.Thread.run(Thread.java:636)
> ERROR [RequestResponseStage:2] 2011-03-07 19:10:27,529 AbstractCassandraDaemon.java (line
114) Fatal exception in thread Thread[RequestResponseStage:2,5,main]
> java.lang.AssertionError
>         at org.apache.cassandra.service.ReadCallback.response(ReadCallback.java:127)
>         at org.apache.cassandra.net.ResponseVerbHandler.doVerb(ResponseVerbHandler.java:49)
>         at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>         at java.lang.Thread.run(Thread.java:636)
> {noformat}
> The nodes are all running 0.7.3.  The cluster was at size 3 before any data was inserted,
and everything else appears perfectly healthy.

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