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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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