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https://issues.apache.org/jira/browse/CASSANDRA-6589?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13900890#comment-13900890
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Aleksey Yeschenko commented on CASSANDRA-6589:
----------------------------------------------
Yes, and also, no. The exception will no longer be there, but, still, in this
case it's a sign of something gone wrong.
> Gossip AssertionError: Added cell does not sort as the last cell
> ----------------------------------------------------------------
>
> Key: CASSANDRA-6589
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6589
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Environment: Debian Wheezy amd64
> Oracle JDK 1.7_45
> Branch: trunk
> Reporter: Michael Shuler
> Assignee: Yuki Morishita
>
> The super_counter_test.py dtest sometimes, but not always, hangs until killed
> (^C) when running with vnodes. Reproduction (again, sometimes this is
> successful - keep trying until it hangs for a few minutes, which is about
> 1/3-1/2 of the time for me):
> {noformat}
> $ ENABLE_VNODES=true nosetests -v super_counter_test.py
> {noformat}
> If it does hang up on you, in another shell:
> {noformat}
> $ tail -F /tmp/dtest-*/test/node*/logs/system.log
> {noformat}
> Scrolling errors similar to:
> {noformat}
> ERROR [GossipStage:54] 2014-01-15 10:39:30,229 CassandraDaemon.java:139 -
> Exception in thread Thread[GossipStage:54,5,main]
> java.lang.AssertionError: Added cell does not sort as the last cell
> at
> org.apache.cassandra.db.ArrayBackedSortedColumns.addColumn(ArrayBackedSortedColumns.java:116)
> ~[main/:na]
> at
> org.apache.cassandra.db.ColumnFamily.addColumn(ColumnFamily.java:118)
> ~[main/:na]
> at
> org.apache.cassandra.db.ColumnFamily.addIfRelevant(ColumnFamily.java:112)
> ~[main/:na]
> at
> org.apache.cassandra.db.filter.SliceQueryFilter.collectReducedColumns(SliceQueryFilter.java:214)
> ~[main/:na]
> at
> org.apache.cassandra.db.filter.QueryFilter.collateColumns(QueryFilter.java:123)
> ~[main/:na]
> at
> org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:81)
> ~[main/:na]
> at
> org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:73)
> ~[main/:na]
> at
> org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:296)
> ~[main/:na]
> at
> org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:52)
> ~[main/:na]
> at
> org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1522)
> ~[main/:na]
> at
> org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1341)
> ~[main/:na]
> at org.apache.cassandra.db.Keyspace.getRow(Keyspace.java:327)
> ~[main/:na]
> at
> org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:59)
> ~[main/:na]
> at
> org.apache.cassandra.cql3.statements.SelectStatement.readLocally(SelectStatement.java:223)
> ~[main/:na]
> at
> org.apache.cassandra.cql3.statements.SelectStatement.executeInternal(SelectStatement.java:241)
> ~[main/:na]
> at
> org.apache.cassandra.cql3.statements.SelectStatement.executeInternal(SelectStatement.java:57)
> ~[main/:na]
> at
> org.apache.cassandra.cql3.QueryProcessor.processInternal(QueryProcessor.java:261)
> ~[main/:na]
> at
> org.apache.cassandra.db.SystemKeyspace.getPreferredIP(SystemKeyspace.java:457)
> ~[main/:na]
> at
> org.apache.cassandra.net.OutboundTcpConnectionPool.<init>(OutboundTcpConnectionPool.java:48)
> ~[main/:na]
> at
> org.apache.cassandra.net.MessagingService.getConnectionPool(MessagingService.java:491)
> ~[main/:na]
> at
> org.apache.cassandra.net.MessagingService.getConnection(MessagingService.java:505)
> ~[main/:na]
> at
> org.apache.cassandra.net.MessagingService.sendOneWay(MessagingService.java:637)
> ~[main/:na]
> at
> org.apache.cassandra.net.MessagingService.sendReply(MessagingService.java:611)
> ~[main/:na]
> at
> org.apache.cassandra.service.EchoVerbHandler.doVerb(EchoVerbHandler.java:40)
> ~[main/:na]
> at
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:60)
> ~[main/:na]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> ~[na:1.7.0_45]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> ~[na:1.7.0_45]
> at java.lang.Thread.run(Thread.java:744) ~[na:1.7.0_45]
> {noformat}
> along with node1 repeatedly marking node3 up and down.
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