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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (CASSANDRA-5856) AE in ArrayBackedSortedColumns
Date Mon, 12 Aug 2013 06:04:48 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13736613#comment-13736613
] 

Jonathan Ellis edited comment on CASSANDRA-5856 at 8/12/13 6:03 AM:
--------------------------------------------------------------------

Patch to get more information from the assert.

(NB: the existing error message indicates that this is NOT a reversed slice.  So, beats the
hell out of me how this could be erroring out.  Hence, the need for more information.)
                
      was (Author: jbellis):
    Patch to get more information from the assert.
                  
> 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
>
>         Attachments: 5856-assert.txt
>
>
> {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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