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I have database handle in channelMap (for 1 connection for all messages) and I reuse the connection for all messages. Now, before performing inserts (to a MySQL database), I want to test if the connection still exists. How do I perform this test?
A crude way is to grab the connection and run a simple query (a simple SELECT or SHOW query would do) and catch the exception.
I think this is all based on JTDS, so you should be able to use Connection.closed which will return true if the connection is closed and false if it is open.