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https://issues.apache.org/jira/browse/CASSANDRA-2949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13071681#comment-13071681
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Sam Overton commented on CASSANDRA-2949:
----------------------------------------
Confirmed v2 patch fixes the issue and test passes.
If it's likely that supercolumns may get indexes (CASSANDRA-598) or the
serialization format changes to make direct sub-column access possible
(CASSANDRA-674) then this should probably be revisited to limit the scope of
the read.
> Batch mutation of counters in multiple supercolumns throws an exception
> during replication.
> -------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-2949
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2949
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.8.2
> Reporter: Sam Overton
> Assignee: Sylvain Lebresne
> Priority: Critical
> Labels: batch_mutate, counters, supercolumns
> Fix For: 0.8.3
>
> Attachments: 2949.patch, 2949_v2.patch
>
>
> Steps to reproduce:
> * Perform a batch mutation of more than one counter in more than one
> super-column in the same column-family.
> * The following exception is thrown during replication:
> DEBUG [MutationStage:63] 2011-07-26 17:05:12,653
> CounterMutationVerbHandler.java (line 52) Applying forwarded
> CounterMutation(RowMutation(keyspace='ks1', key='4ae71336e44bf9bf',
> modifications=[ColumnFamily(cf1 [SuperColumn(302c7375706572636f6c30
> [302c636f6c30:false:8@1311696312648,]),SuperColumn(302c7375706572636f6c31
> [302c636f6c30:false:8@1311696312648,]),])]), QUORUM)
> DEBUG [MutationStage:63] 2011-07-26 17:05:12,653 StorageProxy.java (line 432)
> insert writing local & replicate CounterMutation(RowMutation(keyspace='ks1',
> key='4ae71336e44bf9bf', modifications=[cf1]), QUORUM)
> DEBUG [MutationStage:63] 2011-07-26 17:05:12,654 Table.java (line 398)
> applying mutation of row 4ae71336e44bf9bf
> ERROR [ReplicateOnWriteStage:125] 2011-07-26 17:05:12,655
> AbstractCassandraDaemon.java (line 139) Fatal exception in thread
> Thread[ReplicateOnWriteStage:125,5,main]
> java.lang.RuntimeException: java.lang.IllegalArgumentException: ColumnFamily
> ColumnFamily(cf1 [SuperColumn(302c7375706572636f6c31
> [302c636f6c30:false:[{cad93dc0-b7a0-11e0-0000-123f813dd5df, 3,
> 3}*]@1311696312648!-9223372036854775808,]),]) already has modifications in
> this mutation: ColumnFamily(cf1 [SuperColumn(302c7375706572636f6c30
> [302c636f6c30:false:[{cad93dc0-b7a0-11e0-0000-123f813dd5df, 3,
> 3}*]@1311696312648!-9223372036854775808,]),])
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34)
> 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)
> Caused by: java.lang.IllegalArgumentException: ColumnFamily ColumnFamily(cf1
> [SuperColumn(302c7375706572636f6c31
> [302c636f6c30:false:[{cad93dc0-b7a0-11e0-0000-123f813dd5df, 3,
> 3}*]@1311696312648!-9223372036854775808,]),]) already has modifications in
> this mutation: ColumnFamily(cf1 [SuperColumn(302c7375706572636f6c30
> [302c636f6c30:false:[{cad93dc0-b7a0-11e0-0000-123f813dd5df, 3,
> 3}*]@1311696312648!-9223372036854775808,]),])
> at org.apache.cassandra.db.RowMutation.add(RowMutation.java:123)
> at
> org.apache.cassandra.db.CounterMutation.makeReplicationMutation(CounterMutation.java:120)
> at
> org.apache.cassandra.service.StorageProxy$5$1.runMayThrow(StorageProxy.java:455)
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
> ... 3 more
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