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From Bartłomiej Romański (JIRA) <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-6604) AssertionError: Verb COUNTER_MUTATION should not legally be dropped
Date Sun, 19 Jan 2014 10:47:19 GMT
Bartłomiej Romański created CASSANDRA-6604:
----------------------------------------------

             Summary: AssertionError: Verb COUNTER_MUTATION should not legally be dropped
                 Key: CASSANDRA-6604
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6604
             Project: Cassandra
          Issue Type: Bug
            Reporter: Bartłomiej Romański


We're seeing the following errors in our logs from time to time (about once an hour):

{code}
ERROR [MutationStage:10] 2014-01-19 10:36:26,659 CassandraDaemon.java (line 187) Exception
in thread Thread[MutationStage:10,5,main]
java.lang.AssertionError: Verb COUNTER_MUTATION should not legally be dropped
        at org.apache.cassandra.net.MessagingService.incrementDroppedMessages(MessagingService.java:779)
        at org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1925)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
{code}

They always appear in groups. About 50-100 errors in a row.

We've got a 12-nodes cluster recently upgraded from 1.2.10 to 2.0.4. It's under pretty heavy
load.




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