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https://issues.apache.org/jira/browse/CASSANDRA-1922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12976093#action_12976093
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Hudson commented on CASSANDRA-1922:
-----------------------------------

Integrated in Cassandra-0.7 #137 (See 
[https://hudson.apache.org/hudson/job/Cassandra-0.7/137/])
    Fix CompactionManager regression from CASSANDRA-1916 and add a better
test and more docs to prevent in the future.
Patch by jbellis, reviewed by brandonwilliams for CASSANDRA-1922


> exceptions after cleanup
> ------------------------
>
>                 Key: CASSANDRA-1922
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1922
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.7.0
>            Reporter: Brandon Williams
>             Fix For: 0.7.0
>
>         Attachments: 1922.txt
>
>
> It looks like CASSANDRA-1916 may have introduced a regression.  After running 
> a cleanup, I get the following exception when trying to read:
> {noformat}
> ERROR 17:25:23,574 Fatal exception in thread Thread[ReadStage:99,5,main]
> java.lang.AssertionError: skipping negative bytes is illegal: -1393754107
>         at 
> org.apache.cassandra.io.util.MappedFileDataInput.skipBytes(MappedFileDataInput.java:96)
>         at 
> org.apache.cassandra.io.sstable.IndexHelper.skipBloomFilter(IndexHelper.java:50)
>         at 
> org.apache.cassandra.db.columniterator.SimpleSliceReader.<init>(SimpleSliceReader.java:56)
>         at 
> org.apache.cassandra.db.columniterator.SSTableSliceIterator.createReader(SSTableSliceIterator.java:91)
>         at 
> org.apache.cassandra.db.columniterator.SSTableSliceIterator.<init>(SSTableSliceIterator.java:67)
>         at 
> org.apache.cassandra.db.filter.SliceQueryFilter.getSSTableColumnIterator(SliceQueryFilter.java:68)
>         at 
> org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:80)
>         at 
> org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1215)
>         at 
> org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1107)
>         at 
> org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1077)
>         at org.apache.cassandra.db.Table.getRow(Table.java:384)
>         at 
> org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:63)
>         at 
> org.apache.cassandra.db.ReadVerbHandler.doVerb(ReadVerbHandler.java:68)
>         at 
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:63)
>         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:662)
> {noformat}

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