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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2015/01/29 13:46:35 UTC
[jira] [Commented] (SPARK-5481) JdbcRDD requires JDBC 4 APIs,
limiting compatible JDBC Drivers
[ https://issues.apache.org/jira/browse/SPARK-5481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14296784#comment-14296784 ]
Sean Owen commented on SPARK-5481:
----------------------------------
Spark requires Java 6, and Java 6 includes JDBC 4. Does this accomplish much then?
> 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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