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I have written a Web Service in Java using axis2 and the POJO deployment (to a Tomcat server). My service opens a connection to a MySQL database. To do that, I need the connection string. Where do I put the connection string, so I don’t have to hard code it into the code? And how do I access it from code? I would like to set this parameter somewhere on the service level, not globally for the whole server. Is this possible?
You could use tomcat to configure the DB connectivity for you and then just look up the javax.sql.DataSource using JNDI.
Have look at these for tomcat:
JNDI resources
JNDI datasource example
Using JNDI would also mean that you automatically become a little more compatible in case you ever need to move to a different web container/app server.