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https://issues.apache.org/jira/browse/CASSANDRA-3575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13222842#comment-13222842
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Dave Brosius commented on CASSANDRA-3575:
-----------------------------------------
It seems odd to me that the generations structure is a hardcoded array of lists
(size 8 --> Math.log10(1000 * 1000 * 1000 / maxSSTableSizeInMB)). Changing to
List<List<SSTableReader>> would fix the problem one would think.
> java.lang.ArrayIndexOutOfBoundsException during scrub
> -----------------------------------------------------
>
> Key: CASSANDRA-3575
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3575
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.0.3
> Environment: Centos 5.7
> 16GB Ram
> 4GB Java Heap
> Sun JVM
> Reporter: Tim McLennan
>
> INFO [CompactionExecutor:6] 2011-12-05 22:19:28,788 CompactionManager.java
> (line 477) Scrubbing
> SSTableReader(path='/var/lib/cassandra/data/cf/Data-hb-256385-Data.db')
> ERROR [CompactionExecutor:6] 2011-12-05 22:19:30,195
> AbstractCassandraDaemon.java (line 133) Fatal exception in thread
> Thread[CompactionExecutor:6,1,RMI Runtime]
> java.lang.ArrayIndexOutOfBoundsException: 8
> at
> org.apache.cassandra.db.compaction.LeveledManifest.add(LeveledManifest.java:293)
> at
> org.apache.cassandra.db.compaction.LeveledManifest.promote(LeveledManifest.java:184)
> at
> org.apache.cassandra.db.compaction.LeveledCompactionStrategy.handleNotification(LeveledCompactionStrategy.java:141)
> at
> org.apache.cassandra.db.DataTracker.notifySSTablesChanged(DataTracker.java:481)
> at org.apache.cassandra.db.DataTracker.replace(DataTracker.java:275)
> at
> org.apache.cassandra.db.DataTracker.replaceCompactedSSTables(DataTracker.java:232)
> at
> org.apache.cassandra.db.ColumnFamilyStore.replaceCompactedSSTables(ColumnFamilyStore.java:979)
> at
> org.apache.cassandra.db.compaction.CompactionManager.scrubOne(CompactionManager.java:654)
> at
> org.apache.cassandra.db.compaction.CompactionManager.doScrub(CompactionManager.java:472)
> at
> org.apache.cassandra.db.compaction.CompactionManager.access$300(CompactionManager.java:63)
> at
> org.apache.cassandra.db.compaction.CompactionManager$3.call(CompactionManager.java:224)
> at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
> at java.util.concurrent.FutureTask.run(Unknown Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown
> Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
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