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https://issues.apache.org/jira/browse/CASSANDRA-3745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brandon Williams resolved CASSANDRA-3745.
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Resolution: Duplicate
Ultimately the same issue as CASSANDRA-3371. Despite the unclear error
message, the problem is actually the validators -- duplicate names of "value"
> contrib/PIG example fails when column metadata exists for CF
> ------------------------------------------------------------
>
> Key: CASSANDRA-3745
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3745
> Project: Cassandra
> Issue Type: Bug
> Components: Contrib
> Affects Versions: 1.0.6
> Reporter: Sasha Dolgy
> Labels: cassandra, pig
>
> I have a sandbox CF for prototyping and it has 17 Secondary Indexes defined.
> When I would run the contrib/PIG example, using pig 0.8.1 and even the pig
> 0.8.3 jar, with Cassandra 1.0.6, I would receive the following error from the
> second line of the example script [ cols = FOREACH rows GENERATE
> flatten(columns); ]:
> 2012-01-14 06:54:27,551 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR
> 1007: Found duplicates in schema. : 18 columns. Please alias the columns with
> unique names.
> I proceeded to drop all of the indexes, and tried again. Same error. On
> further inspection, show schema showed that the metadata still existed on the
> CF from the indexes. I ran the following:
> update column family user with column_metadata = [];
> I can now run the full contrib/pig example against my CF.
> *If I select another CF with 2 secondary indexes, the same behaviour persists:
> 2012-01-14 08:34:31,413 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR
> 1007: Found duplicates in schema. : 3 columns. Please alias the columns with
> unique names.
> grunt> describe users;
> 2012-01-14 08:36:58,227 [main] INFO org.apache.hadoop.metrics.jvm.JvmMetrics
> - Cannot initialize JVM Metrics with processName=JobTracker, sessionId= -
> already initialized
> users: {key: bytearray,columns: {T: (name: chararray,value:
> bytearray,column_family: chararray,value: bytearray,owner_id:
> chararray,value: bytearray)}}
> grunt>
> grunt> dump users;
> <-- removed INFO/WARN output -->
> HadoopVersion PigVersion UserId StartedAt FinishedAt
> Features
> 0.20.2 0.8.1 sasha 2012-01-14 08:37:24 2012-01-14 08:37:43
> UNKNOWN
> Success!
> Job Stats (time in seconds):
> JobId Alias Feature Outputs
> job_local_0001 users MAP_ONLY
> file:/tmp/temp-1366421017/tmp-1001688304,
> Input(s):
> Successfully read records from: "cassandra://sdo/entity_relations"
> Output(s):
> Successfully stored records in: "file:/tmp/temp-1366421017/tmp-1001688304"
> Job DAG:
> job_local_0001
> (d1540edc-cb16-47dd-96e3-90e1657c2d77:a721966c6026ee85ef35f2108b75d3784b52bf1217f0b62564bdefe67b9504d9,{(content_id,d1540edc-cb16-47dd-96e3-90e1657c2d77:a721966c6026ee85ef35f2108b75d3784b52bf1217f0b62564bdefe67b9504d9),(owner_id,d1540edc-cb16-47dd-96e3-90e1657c2d77)})
> grunt>
> I have also tried this with PIG 0.9.1 but encounter
> https://issues.apache.org/jira/browse/CASSANDRA-3371
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