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Sqoop >> mail # user >> MySQLIntegrityConstraintViolationException but not keys duplicated

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Re: MySQLIntegrityConstraintViolationException but not keys duplicated
Hi Zoraida,
I don't think that there is any limitation on how many keys can be part of primary key during export operation. Would you mind sharing with us entire Sqoop log generated with parameter --verbose?


On Wed, Jul 03, 2013 at 08:49:07PM +0000, ZORAIDA HIDALGO SANCHEZ wrote:
> Hi all,
> All our MySQL tables have  composite primary keys (8 fields) and when we use sqoop for insert into them(from hive), we are getting this exception:
> java.io.IOException: Can't export data, please check task tracker logs
>         at org.apache.sqoop.mapreduce.TextExportMapper.map(TextExportMapper.java:112)
>         at org.apache.sqoop.mapreduce.TextExportMapper.map(TextExportMapper.java:39)
>         at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:140)
>         at org.apache.sqoop.mapreduce.AutoProgressMapper.run(AutoProgressMapper.java:64)
>         at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:673)
>         at org.apache.hadoop.mapred.MapTask.run(MapTask.java:331)
>         at org.apache.hadoop.mapred.Child$4.run(Child.java:268)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:396)
>         at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1408)
>         at org.apache.hadoop.mapred.Child.main(Child.java:262)
> Caused by: java.io.IOException: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '33-2013-02-13 23:00:00-Brasil-Play-None-None-None-None-  Filmes  for key 'PRIMARY
> There are no duplicated keys in our Hive tables however. Is there any constraint related to the number of fields that can belong to a PK?
> Thanks,
> Zoraida.-
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Jarek Jarcec Cecho 2013-07-08, 14:44