JDBC Connection issues

[Pete Helgren <pete@xxxxxxxxxx>]

I am not sure what changed on my system recently but I have a few Tomcat 
instances in Windows that have JDBC connections to my i that are now 
failing to connect.  The weirdness is that one of the webapps connects 
to a MySQL instance on i the other webapp connects to DB2/i.  Two 
different DB's and ports and yet the same failure.

I suspect a "service" on the i has failed, isn't running properly or 
?    I ran STRHOSTSVR *ALL and it looks like everything was already 
running.  I don't have any exit point programs registered for the DB 
servers so I am stumped.  The connecting user profiles are active.  
Everything seems Copacetic.  But stack traces indicate that the apps a 
cannot connect to the  DB's on the i.  I get "Connection Refused" which 
would seem to indicate the i is rejecting the connection attempt. What 
port should be listening for the connection?

Suggestions?