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https://issues.apache.org/jira/browse/CASSANDRA-1373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12899470#action_12899470
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Tyler L. Hobbs commented on CASSANDRA-1373:
-------------------------------------------
Patch was not exercised correctly last time. The patch does fix the issue, now.
> OrderPreservingPartitioner with type validated indexed columns causes
> ClassCastException
> ----------------------------------------------------------------------------------------
>
> Key: CASSANDRA-1373
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1373
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.7 beta 1
> Environment: Cassandra Trunk
> Reporter: Tyler L. Hobbs
> Assignee: Jonathan Ellis
> Fix For: 0.7 beta 2
>
> Attachments: 1373.txt
>
>
> If OrderPreservingPartitioner is used and you have an indexed column with a
> type validator, using batch_mutate to insert column values (like pycassa
> does) on the same key and indexed column causes a ClassCastException to be
> thrown the *second* time you execute it. That is, the first batch_mutate
> succeeds, but the following ones fail. CollatedOrderPreservingPartitioner
> seems to avoid this problem. Also, it appears that the row key is being
> compared to the column value at some point using the validator's Comparator
> class (such as LongType) which is where the actual exception is thrown.
> Stack trace below:
> {noformat}
> java.lang.RuntimeException: java.lang.ClassCastException: java.lang.String
> cannot be cast to [B
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34)
> 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:619)
> Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to [B
> at org.apache.cassandra.db.marshal.LongType.compare(LongType.java:27)
> at org.apache.cassandra.dht.LocalToken.compareTo(LocalToken.java:45)
> at org.apache.cassandra.db.DecoratedKey.compareTo(DecoratedKey.java:82)
> at org.apache.cassandra.db.DecoratedKey.compareTo(DecoratedKey.java:37)
> at
> java.util.concurrent.ConcurrentSkipListMap.doPut(ConcurrentSkipListMap.java:878)
> at
> java.util.concurrent.ConcurrentSkipListMap.putIfAbsent(ConcurrentSkipListMap.java:1893)
> at org.apache.cassandra.db.Memtable.resolve(Memtable.java:127)
> at org.apache.cassandra.db.Memtable.put(Memtable.java:119)
> at
> org.apache.cassandra.db.ColumnFamilyStore.apply(ColumnFamilyStore.java:508)
> at org.apache.cassandra.db.Table.applyCF(Table.java:452)
> at org.apache.cassandra.db.Table.apply(Table.java:409)
> at org.apache.cassandra.db.RowMutation.apply(RowMutation.java:196)
> at
> org.apache.cassandra.service.StorageProxy$2.runMayThrow(StorageProxy.java:276)
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
> ... 3 more
> {noformat}
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