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https://issues.apache.org/jira/browse/SQOOP-2945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Attila Szabo updated SQOOP-2945:
--------------------------------
    Fix Version/s:     (was: 1.4.7)
                   1.5.0

> Oracle CLOB mapped to String is unable to import the data (SQLException in 
> nextKeyValue)
> ----------------------------------------------------------------------------------------
>
>                 Key: SQOOP-2945
>                 URL: https://issues.apache.org/jira/browse/SQOOP-2945
>             Project: Sqoop
>          Issue Type: Bug
>          Components: connectors/oracle
>    Affects Versions: 1.4.6
>            Reporter: Senthil Ganesh
>             Fix For: 1.5.0
>
>
> If we map any CLOB column from Oracle to String with "--map-column-java 
> CLOB_COL=String" during Sqoop import, we are hitting below exception:
> ...
> map 0% reduce 0%
> map 50% reduce 0%
> Task Id : attempt_1462336475649_1097_m_000000_0, Status : FAILED
> Error: java.io.IOException: SQLException in nextKeyValue
>       at 
> org.apache.sqoop.mapreduce.db.DBRecordReader.nextKeyValue(DBRecordReader.java:277)
>       at 
> org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:556)
>       at 
> org.apache.hadoop.mapreduce.task.MapContextImpl.nextKeyValue(MapContextImpl.java:80)
>       at 
> org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.nextKeyValue(WrappedMapper.java:91)
>       at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
>       at 
> org.apache.sqoop.mapreduce.AutoProgressMapper.run(AutoProgressMapper.java:64)
>       at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:787)
>       at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
>       at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at javax.security.auth.Subject.doAs(Subject.java:422)
>       at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1671)
>       at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
> ...
> As we like to store the result in Hive (which do not support CLOB), we need 
> to map this column to String.



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