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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SQOOP-1130) Sqoop2: Sqoop MapReduce Job Failed when max and min boundary are both null
Date Thu, 11 Jul 2013 22:31:48 GMT

    [ https://issues.apache.org/jira/browse/SQOOP-1130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13706357#comment-13706357
] 

ASF subversion and git services commented on SQOOP-1130:
--------------------------------------------------------

Commit a3abffcd591f16a5f4f47fa43eeef7dcdec68cf7 in branch refs/heads/sqoop2 from [~jarcec]
[ https://git-wip-us.apache.org/repos/asf?p=sqoop.git;h=a3abffc ]

SQOOP-1130: Sqoop2: Sqoop MapReduce Job Failed when max and min boundary are both null

(Mengwei Ding via Jarek Jarcec Cecho)

                
> Sqoop2: Sqoop MapReduce Job Failed when max and min boundary are both null
> --------------------------------------------------------------------------
>
>                 Key: SQOOP-1130
>                 URL: https://issues.apache.org/jira/browse/SQOOP-1130
>             Project: Sqoop
>          Issue Type: Bug
>          Components: connectors/generic
>    Affects Versions: 1.99.2
>         Environment: Mysql import data to HDFS
>            Reporter: Mengwei Ding
>            Assignee: Mengwei Ding
>             Fix For: 1.99.3
>
>         Attachments: SQOOP-1130.1.patch
>
>
> It happens that all the values in the partition column are null. In this case, when Sqoop
is partitioning data, it will find the max and min boundary are both null. Sqoop handles this
case, but there is a bug.
> Currently, the Map task throw the following exception in this case:
> {code}
> org.apache.sqoop.common.SqoopException: MAPRED_EXEC_0017:Error occurs during extractor
run
> 	at org.apache.sqoop.job.mr.SqoopMapper.run(SqoopMapper.java:94)
> 	at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:672)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:330)
> 	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: org.apache.sqoop.common.SqoopException: GENERIC_JDBC_CONNECTOR_0002:Unable
to execute the SQL statement
> 	at org.apache.sqoop.connector.jdbc.GenericJdbcExecutor.executeQuery(GenericJdbcExecutor.java:59)
> 	at org.apache.sqoop.connector.jdbc.GenericJdbcImportExtractor.extract(GenericJdbcImportExtractor.java:51)
> 	at org.apache.sqoop.connector.jdbc.GenericJdbcImportExtractor.extract(GenericJdbcImportExtractor.java:31)
> 	at org.apache.sqoop.job.mr.SqoopMapper.run(SqoopMapper.java:89)
> 	... 7 more
> Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error
in your SQL syntax; check the manual that corresponds to your MySQL server version for the
right syntax to use near 'NULL' at line 1
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
> 	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
> 	at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
> 	at com.mysql.jdbc.Util.getInstance(Util.java:386)
> 	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1054)
> 	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4187)
> 	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4119)
> 	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2570)
> 	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2731)
> 	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2809)
> 	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2758)
> 	at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1612)
> 	at org.apache.sqoop.connector.jdbc.GenericJdbcExecutor.executeQuery(GenericJdbcExecutor.java:56)
> 	... 10 more
> {code}

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