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https://issues.apache.org/jira/browse/CASSANDRA-4711?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13497335#comment-13497335
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Shane commented on CASSANDRA-4711:
----------------------------------
As and FYI, after patching 1.1.6 in my environment I've found that some of my
unit tests failed (I'm assuming the same would be true for 1.1.7). Going
through the failing tests I found that the logic for my slice ranges had to be
modified. It may be good to put a warning along those lines in the change log.
> Duplicate column names with DynamicCompositeType
> ------------------------------------------------
>
> Key: CASSANDRA-4711
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4711
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 1.1.5
> Environment: CentOS 5.8 x86_64
> Cassandra 1.1.5
> Hector 1.1-2
> Reporter: Shane
> Assignee: Sylvain Lebresne
> Fix For: 1.1.7
>
> Attachments: 4711.txt, DuplicateColumnName.java
>
>
> I have a column family whose comparator is DynamicCompositeType and
> validation is CounterColumnType. During automated testing, there have been
> occasions where a counter column is created twice, throwing off the query
> results for the column.
> Doing a 'get' via the cli, I see the following output for the row:
> => (counter=s@language:b@00000001:s@pt_BR, value=198)
> => (counter=s@language:s@possible, value=200)
> => (counter=s@language:b@00000001:s@pt_BR, value=0)
> If I print out the byte value of the column names along with their MD5 sum I
> see:
> Name: [language, java.nio.HeapByteBuffer[pos=0 lim=4 cap=4], pt_BR]
> Byte array:
> ffffff8073086c616e67756167650ffffff80620400010ffffff80730570745f42520
> MD5: 2db353a9a72a0d7cb6cb277ac5125653
> Name: [language, possible]
> Byte array: ffffff8073086c616e67756167650ffffff807308706f737369626c650
> MD5: 82cad9b6a65c794e97cf1d4613e2e367
> Name: [language, java.nio.HeapByteBuffer[pos=0 lim=4 cap=4], pt_BR]
> Byte array:
> ffffff8073086c616e67756167650ffffff80620400010ffffff80730570745f42520
> MD5: 2db353a9a72a0d7cb6cb277ac5125653
> Unfortunately, I have been unable to duplicate this manually or via a generic
> test script and our QA department can only duplicate ~25% of the time.
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