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From "B. Todd Burruss (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-866) AssertionError SSTableSliceIterator.java:126
Date Tue, 06 Apr 2010 16:51:34 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12854057#action_12854057
] 

B. Todd Burruss commented on CASSANDRA-866:
-------------------------------------------

64bit CentOS  2.6.18

single column family, only one column.  simple get, put, deletes.  would you like my storage-conf.xml?

i don't know what key, but it is reproducible.  i could make it happen simply by starting
the node.  during startup i will see the exception.  it doesn't happen until some amount of
data is in the database.  in other words, it runs fine until either the number of keys or
the amount of data crosses some threshold.

i can't repo it at the moment as the cluster is shared and i needed to erase data and work
on something else.  but i can try again probably later this week.

> AssertionError SSTableSliceIterator.java:126
> --------------------------------------------
>
>                 Key: CASSANDRA-866
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-866
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.6
>            Reporter: B. Todd Burruss
>             Fix For: 0.6.1
>
>
> also seeing these, using cassandra-0.6.0-beta2/
> 2010-03-09 07:37:57,683 ERROR [ROW-READ-STAGE:77] [CassandraDaemon.java:78] Fatal exception
in thread Thread[ROW-READ-STAGE:77,5,main]
> java.lang.AssertionError
>         at org.apache.cassandra.db.filter.SSTableSliceIterator$ColumnGroupReader.<init>(SSTableSliceIterator.java:126)
>         at org.apache.cassandra.db.filter.SSTableSliceIterator.<init>(SSTableSliceIterator.java:59)
>         at org.apache.cassandra.db.filter.SliceQueryFilter.getSSTableColumnIterator(SliceQueryFilter.java:63)
>         at org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:851)
>         at org.apache.cassandra.db.ColumnFamilyStore.cacheRow(ColumnFamilyStore.java:748)
>         at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:773)
>         at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:740)
>         at org.apache.cassandra.db.Table.getRow(Table.java:381)
>         at org.apache.cassandra.db.SliceByNamesReadCommand.getRow(SliceByNamesReadCommand.java:56)
>         at org.apache.cassandra.db.ReadVerbHandler.doVerb(ReadVerbHandler.java:80)
>         at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:40)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:619)

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