Why do I need to flush the connection pool each time I redeploy?

Question

I have successfully made a connection to a remote MySQL server through Glassfish, however each time I make a change to the code or XHTML files, I need to open the administrator

Answer 1

Should you be using this driver?

com.mysql.jdbc.jdbc2.optional.MysqlXADataSource 

I see that you are using a different driver from the attached image ...