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https://issues.apache.org/jira/browse/CASSANDRA-6738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13915873#comment-13915873
 ] 

Mateusz Gajewski commented on CASSANDRA-6738:
---------------------------------------------

Problem still exists. I have fetched cassandra trunk, compiled it and run 
sstableupgrade and got same exception:

mateusz.gajewski@Serafin-2 ~/D/P/g/cassandra> sudo bin/nodetool upgradesstables
objc[13011]: Class JavaLaunchHelper is implemented in both 
/Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home/bin/java and 
/Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home/jre/lib/libinstrument.dylib.
 One of the two will be used. Which one is undefined.
error: org.apache.cassandra.db.composites.CompoundComposite cannot be cast to 
org.apache.cassandra.db.composites.CellName
-- StackTrace --
java.lang.ClassCastException: 
org.apache.cassandra.db.composites.CompoundComposite cannot be cast to 
org.apache.cassandra.db.composites.CellName
        at 
org.apache.cassandra.db.OnDiskAtom$Serializer.deserializeFromSSTable(OnDiskAtom.java:86)
        at org.apache.cassandra.db.Cell$1.computeNext(Cell.java:75)
        at org.apache.cassandra.db.Cell$1.computeNext(Cell.java:64)
        at 
com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
        at 
com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
        at 
org.apache.cassandra.io.sstable.SSTableIdentityIterator.hasNext(SSTableIdentityIterator.java:129)
        at 
org.apache.cassandra.utils.MergeIterator$OneToOne.computeNext(MergeIterator.java:200)
        at 
com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
        at 
com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
        at com.google.common.collect.Iterators$7.computeNext(Iterators.java:645)
        at 
com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
        at 
com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
        at 
org.apache.cassandra.db.ColumnIndex$Builder.buildForCompaction(ColumnIndex.java:165)
        at 
org.apache.cassandra.db.compaction.LazilyCompactedRow.write(LazilyCompactedRow.java:110)
        at 
org.apache.cassandra.io.sstable.SSTableWriter.append(SSTableWriter.java:178)
        at 
org.apache.cassandra.db.compaction.CompactionTask.runWith(CompactionTask.java:172)
        at 
org.apache.cassandra.io.util.DiskAwareRunnable.runMayThrow(DiskAwareRunnable.java:48)
        at 
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
        at 
org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:67)
        at 
org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:64)
        at 
org.apache.cassandra.db.compaction.CompactionManager$4.perform(CompactionManager.java:262)
        at 
org.apache.cassandra.db.compaction.CompactionManager$2.call(CompactionManager.java:227)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:744)

> java.lang.ClassCastException: 
> org.apache.cassandra.db.composites.CompoundComposite cannot be cast to 
> org.apache.cassandra.db.composites.CellName
> ------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-6738
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6738
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Mateusz Gajewski
>            Assignee: Sylvain Lebresne
>             Fix For: 2.1 beta2
>
>         Attachments: 6738.txt
>
>
> When using nodetool upgradesstables (2.0.4 -> 2.1-beta) class cast exception 
> occurs:
> ERROR [CompactionExecutor:7] 2014-02-19 21:34:16,839 CassandraDaemon.java:165 
> - Exception in thread Thread[CompactionExecutor:7,1,main]
> java.lang.ClassCastException: 
> org.apache.cassandra.db.composites.CompoundComposite cannot be cast to 
> org.apache.cassandra.db.composites.CellName
>       at 
> org.apache.cassandra.db.OnDiskAtom$Serializer.deserializeFromSSTable(OnDiskAtom.java:86)
>  ~[main/:na]
>       at org.apache.cassandra.db.Cell$1.computeNext(Cell.java:75) ~[main/:na]
>       at org.apache.cassandra.db.Cell$1.computeNext(Cell.java:64) ~[main/:na]
>       at 
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
>  ~[guava-16.0.jar:na]
>       at 
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) 
> ~[guava-16.0.jar:na]
>       at 
> org.apache.cassandra.io.sstable.SSTableIdentityIterator.hasNext(SSTableIdentityIterator.java:129)
>  ~[main/:na]
>       at 
> org.apache.cassandra.utils.MergeIterator$OneToOne.computeNext(MergeIterator.java:200)
>  ~[main/:na]
>       at 
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
>  ~[guava-16.0.jar:na]
>       at 
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) 
> ~[guava-16.0.jar:na]
>       at 
> com.google.common.collect.Iterators$7.computeNext(Iterators.java:645) 
> ~[guava-16.0.jar:na]
>       at 
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
>  ~[guava-16.0.jar:na]
>       at 
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) 
> ~[guava-16.0.jar:na]
>       at 
> org.apache.cassandra.db.ColumnIndex$Builder.buildForCompaction(ColumnIndex.java:165)
>  ~[main/:na]
>       at 
> org.apache.cassandra.db.compaction.LazilyCompactedRow.write(LazilyCompactedRow.java:110)
>  ~[main/:na]
>       at 
> org.apache.cassandra.io.sstable.SSTableWriter.append(SSTableWriter.java:178) 
> ~[main/:na]
>       at 
> org.apache.cassandra.db.compaction.CompactionTask.runWith(CompactionTask.java:172)
>  ~[main/:na]
>       at 
> org.apache.cassandra.io.util.DiskAwareRunnable.runMayThrow(DiskAwareRunnable.java:48)
>  ~[main/:na]
>       at 
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) 
> ~[main/:na]
>       at 
> org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:67)
>  ~[main/:na]
>       at 
> org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:64)
>  ~[main/:na]
>       at 
> org.apache.cassandra.db.compaction.CompactionManager$4.perform(CompactionManager.java:262)
>  ~[main/:na]
>       at 
> org.apache.cassandra.db.compaction.CompactionManager$2.call(CompactionManager.java:227)
>  ~[main/:na]
>       at java.util.concurrent.FutureTask.run(FutureTask.java:262) 
> ~[na:1.7.0_45]
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>  ~[na:1.7.0_45]
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>  [na:1.7.0_45]
>       at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]



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