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From "Daniel Lundin (JIRA)" <j...@apache.org>
Subject [jira] Created: (CASSANDRA-2104) IndexOutOfBoundsException during lazy row compaction (using TimeUUID comparator)
Date Thu, 03 Feb 2011 10:09:29 GMT
IndexOutOfBoundsException during lazy row compaction (using TimeUUID comparator)
--------------------------------------------------------------------------------

                 Key: CASSANDRA-2104
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2104
             Project: Cassandra
          Issue Type: Bug
          Components: Core
    Affects Versions: 0.7.0, 0.7.1
            Reporter: Daniel Lundin


I ran into an exception when lazily compacting wide rows of TimeUUID columns.
It seems to trigger when a row is larger than {{in_memory_compaction_limit_in_mb}}.

Traceback:
{noformat}
 INFO [CompactionExecutor:1] 2011-02-03 10:59:59,262 CompactionIterator.java (line 135) Compacting
large row XXXXXXXXXXXXX (76999384 bytes) incrementally
 ERROR [CompactionExecutor:1] 2011-02-03 10:59:59,266 AbstractCassandraDaemon.java (line 114)
Fatal exception in thread T
 hread[CompactionExecutor:1,1,main]
 java.lang.IndexOutOfBoundsException
         at java.nio.Buffer.checkIndex(Buffer.java:514)
         at java.nio.HeapByteBuffer.get(HeapByteBuffer.java:121)
         at org.apache.cassandra.db.marshal.TimeUUIDType.compareTimestampBytes(TimeUUIDType.java:56)
         at org.apache.cassandra.db.marshal.TimeUUIDType.compare(TimeUUIDType.java:45)
         at org.apache.cassandra.db.marshal.TimeUUIDType.compare(TimeUUIDType.java:29)
         at java.util.concurrent.ConcurrentSkipListMap$ComparableUsingComparator.compareTo(ConcurrentSkipListMap.java:606
 )
         at java.util.concurrent.ConcurrentSkipListMap.findPredecessor(ConcurrentSkipListMap.java:685)
         at java.util.concurrent.ConcurrentSkipListMap.doPut(ConcurrentSkipListMap.java:864)
         at java.util.concurrent.ConcurrentSkipListMap.putIfAbsent(ConcurrentSkipListMap.java:1893)
         at org.apache.cassandra.db.SuperColumn.addColumn(SuperColumn.java:170)
         at org.apache.cassandra.db.SuperColumn.putColumn(SuperColumn.java:195)
         at org.apache.cassandra.db.ColumnFamily.addColumn(ColumnFamily.java:221)
         at org.apache.cassandra.io.LazilyCompactedRow$LazyColumnIterator.reduce(LazilyCompactedRow.java:204)
         at org.apache.cassandra.io.LazilyCompactedRow$LazyColumnIterator.reduce(LazilyCompactedRow.java:185)
         at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:62)
         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:136)
         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:131)
         at com.google.common.collect.Iterators$7.computeNext(Iterators.java:604)
         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:136)
         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:131)
         at org.apache.cassandra.db.ColumnIndexer.serializeInternal(ColumnIndexer.java:76)
         at org.apache.cassandra.db.ColumnIndexer.serialize(ColumnIndexer.java:50)
         at org.apache.cassandra.io.LazilyCompactedRow.<init>(LazilyCompactedRow.java:88)
         at org.apache.cassandra.io.CompactionIterator.getCompactedRow(CompactionIterator.java:137)
         at org.apache.cassandra.io.CompactionIterator.getReduced(CompactionIterator.java:108)
         at org.apache.cassandra.io.CompactionIterator.getReduced(CompactionIterator.java:43)
         at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:73)
         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:136)
         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:131)
         at org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)
         at org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)
         at org.apache.cassandra.db.CompactionManager.doCompaction(CompactionManager.java:426)
         at org.apache.cassandra.db.CompactionManager$1.call(CompactionManager.java:122)
         at org.apache.cassandra.db.CompactionManager$1.call(CompactionManager.java:92)
         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
         at java.util.concurrent.FutureTask.run(FutureTask.java:138)
         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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