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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-5856) AE in ArrayBackedSortedColumns
Date Mon, 12 Aug 2013 04:46:49 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13736577#comment-13736577
] 

Jonathan Ellis commented on CASSANDRA-5856:
-------------------------------------------

First guess: something's getting confused about reversed-ness.  Is that part of the test in
question?
                
> AE in ArrayBackedSortedColumns
> ------------------------------
>
>                 Key: CASSANDRA-5856
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5856
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Brandon Williams
>            Assignee: Aleksey Yeschenko
>            Priority: Critical
>             Fix For: 1.2.9
>
>
> {noformat}
> ERROR [ReadStage:3] 2013-08-07 06:58:21,485 CassandraDaemon.java (line 192) Exception
in thread Thread[ReadStage:3,5,main]
> java.lang.AssertionError: Added column does not sort as the last column
>     at org.apache.cassandra.db.ArrayBackedSortedColumns.addColumn(ArrayBackedSortedColumns.java:131)
>     at org.apache.cassandra.db.AbstractColumnContainer.addColumn(AbstractColumnContainer.java:119)
>     at org.apache.cassandra.db.AbstractColumnContainer.addColumn(AbstractColumnContainer.java:114)
>     at org.apache.cassandra.db.filter.SliceQueryFilter.collectReducedColumns(SliceQueryFilter.java:171)
>     at org.apache.cassandra.db.filter.QueryFilter.collateColumns(QueryFilter.java:136)
>     at org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:84)
>     at org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:291)
>     at org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:65)
>     at org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1390)
>     at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1213)
>     at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1125)
>     at org.apache.cassandra.db.Table.getRow(Table.java:347)
>     at org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:70)
>     at org.apache.cassandra.service.StorageProxy$LocalReadRunnable.runMayThrow(StorageProxy.java:1047)
>     at org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1593)
>     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:722)
> {noformat}
> test_column_index_stress in wide_rows_test will reproduce this within ~20 runs and bisect
strongly points to a regression in CASSANDRA-5762

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