| Dev Test for : https://glassfish.dev.java.net/issues/show_bug.cgi?id=667 |
| [doesn't uphold the close() contract of java.sql.Connection] |
| Closing a connection multiple times should not throw any exception. |
| Further, duplicate close requests on a connection must be no-op. |
| [refer JDBC specification, java.sql.Connection javadoc] |
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| public void close() throws SQLException |
| Calling the method close on a Connection object that is already closed is a no-op. |
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| This dev tests tests whether multiple close on same connection work fine. |