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https://issues.apache.org/jira/browse/SPARK-12088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15035278#comment-15035278
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Huaxin Gao commented on SPARK-12088:
------------------------------------

I am doing a PR now

> check connection.isClose before connection.getAutoCommit in JDBCRDD.close
> -------------------------------------------------------------------------
>
>                 Key: SPARK-12088
>                 URL: https://issues.apache.org/jira/browse/SPARK-12088
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.5.2, 1.6.0
>            Reporter: Huaxin Gao
>            Priority: Minor
>
> in JDBCRDD, it has
> if (!conn.getAutoCommit && !conn.isClosed) {
>             try {
>               conn.commit()
>             } 
> . . . . . .
> In my test, the connection is already closed so conn.getAutoCommit throw 
> Exception. We should check !conn.isClosed before checking !conn.getAutoCommit 
> to avoid the Exception. 



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