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https://issues.apache.org/jira/browse/CASSANDRA-5030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13526160#comment-13526160
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Jonathan Ellis commented on CASSANDRA-5030:
-------------------------------------------
SSTableNamesIterator doesn't check for index < 0, which could be problematic.
Nit: prefer static import for assertEquals.
> IndexHelper.IndexFor call throws AOB exception when passing multiple slices
> ---------------------------------------------------------------------------
>
> Key: CASSANDRA-5030
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5030
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.2.0 beta 3
> Reporter: T Jake Luciani
> Assignee: T Jake Luciani
> Fix For: 1.2.0 rc1
>
> Attachments: 5030.txt
>
>
> While testing multiple slices I'm seeing some exceptions when a slice hits
> the end of an index.
> {code}
> ERROR [ReadStage:138179] 2012-12-04 18:04:28,796 CassandraDaemon.java (line
> 132) Exception in thread Thread[ReadStage:138179,5,main]
> java.lang.IndexOutOfBoundsException: toIndex = 6
> at java.util.SubList.<init>(AbstractList.java:602)
> at java.util.RandomAccessSubList.<init>(AbstractList.java:758)
> at java.util.AbstractList.subList(AbstractList.java:468)
> at
> org.apache.cassandra.io.sstable.IndexHelper.indexFor(IndexHelper.java:182)
> at
> org.apache.cassandra.db.columniterator.IndexedSliceReader$IndexedBlockFetcher.setNextSlice(IndexedSliceReader.java:253)
> at
> org.apache.cassandra.db.columniterator.IndexedSliceReader$IndexedBlockFetcher.<init>(IndexedSliceReader.java:246)
> at
> org.apache.cassandra.db.columniterator.IndexedSliceReader.<init>(IndexedSliceReader.java:91)
> at
> org.apache.cassandra.db.columniterator.SSTableSliceIterator.createReader(SSTableSliceIterator.java:68)
> at
> org.apache.cassandra.db.columniterator.SSTableSliceIterator.<init>(SSTableSliceIterator.java:44)
> at
> org.apache.cassandra.db.filter.SliceQueryFilter.getSSTableColumnIterator(SliceQueryFilter.java:101)
> at
> org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:68)
> at
> org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:267)
> at
> org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:61)
> at
> org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1387)
> at
> org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1247)
> at
> org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1159)
> at org.apache.cassandra.db.Table.getRow(Table.java:348)
> at
> org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:70)
> at
> org.apache.cassandra.db.ReadVerbHandler.doVerb(ReadVerbHandler.java:48)
> at
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:56)
> 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)
> {code}
> I can reproduce this in a test, attached
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