vijay created SPARK-5481:
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Summary: JdbcRDD requires JDBC 4 APIs, limiting compatible JDBC
Drivers
Key: SPARK-5481
URL: https://issues.apache.org/jira/browse/SPARK-5481
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 1.2.0
Reporter: vijay
JdbcRDD makes unnecessary use of JDBC 4 APIs. To maintain broad jdbc driver
support, Spark should support JDBC 3.
The issue is calling isClosed() prior to closing JDBC object. isClosed() is
part of JDBC 4. It is perfectly safe to close something that is already closed
- this may throw an exception (which is caught) but has no negative side
affects.
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