We have a Sun Webserver 7.0 front end connecting with multiple jBoss 4.4.2 servers using http connector. Throughout the day we receive multiple offline errors from the Sun Webserver stating that one of the servers in unresponsive. During these times the number of connections are under 30 and the jBoss servers are not overburdened.

From our Sun Webserver logs:
[24/Jul/2008:07:17:27] fine (17169): for host 67.99.63.186 trying to POST /matter/billing/LegalBillSubmit.serv, attempting to connect to 10.10.15.21:8080
[24/Jul/2008:07:21:11] fine (17169): for host 67.99.63.186 trying to POST /matter/billing/LegalBillSubmit.serv, error connecting to 10.10.15.21:8080 (IO time
out error)

We have increased the client connect-timeout in the Sun Webserver and it has not made any difference. We are wondering is there any way to diagnose http connector issues in jBoss? Is this a question for tomcat? Any way to debug log the connectors to see what is occurring? This is only happening in our production environment.

Any advise would be helpful.