Michael Shuler created CASSANDRA-6589:
-----------------------------------------

             Summary: 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


The super_counter_test.py 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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