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From Sowmya Ramesh <sram...@hortonworks.com>
Subject Re: Review Request 42918: MySql import and export fails with 5.1 server and 5.1.17+ drivers
Date Mon, 01 Feb 2016 20:07:25 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/42918/
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(Updated Feb. 1, 2016, 8:07 p.m.)


Review request for Sqoop.


Changes
-------

Applied feedback.


Bugs: SQOOP-2787
    https://issues.apache.org/jira/browse/SQOOP-2787


Repository: sqoop-trunk


Description
-------

As discussed in SQOOP-1400 and SQOOP-1617, there are combinations and versions of MySQL server
and driver that cause the import and export to fail when the metadata of the tables are being
fetched.

Trace: 
16/01/07 21:48:14 DEBUG manager.SqlManager: No connection paramenters specified. Using regular
API for making connection.
16/01/07 21:48:14 DEBUG manager.SqlManager: Using fetchSize for next query: -2147483648
16/01/07 21:48:14 INFO manager.SqlManager: Executing SQL statement: SELECT t.* FROM `t1` AS
t LIMIT 1
16/01/07 21:48:14 DEBUG manager.SqlManager: Found column col1 of type 4, 11, 0
16/01/07 21:48:14 ERROR manager.SqlManager: Error reading from database: java.sql.SQLException:
Streaming result set com.mysql.jdbc.RowDataDynamic@17980bdc is still active. No statements
may be issued when any streaming result sets are open and in use on a given connection. Ensure
that you have called .close() on any active streaming result sets before attempting more queries.
java.sql.SQLException: Streaming result set com.mysql.jdbc.RowDataDynamic@17980bdc is still
active. No statements may be issued when any streaming result sets are open and in use on
a given connection. Ensure that you have called .close() on any active streaming result sets
before attempting more queries.
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:934)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:931)
at com.mysql.jdbc.MysqlIO.checkForOutstandingStreamingData(MysqlIO.java:2735)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1899)


Diffs (updated)
-----

  src/java/org/apache/sqoop/SqoopOptions.java db92b30 
  src/java/org/apache/sqoop/manager/MySQLManager.java e1d5a36 
  src/java/org/apache/sqoop/tool/BaseSqoopTool.java a7f6aec 

Diff: https://reviews.apache.org/r/42918/diff/


Testing
-------

Manual testing


Thanks,

Sowmya Ramesh


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