is there any application that help monitor an application server when it is working ? for example , total active sessions , Connections , ... i need this application to monitor my tomcat and sun application server , but if there is no application that help monitor both of them , then i will be happy to minitor at least one of them (TOMCAT)
Tomcat has the Manager web app built in, which you'll find at http://localhost:8080/manager/ or whatever address your server runs at. It gives you some basic stats about the server, and each web app that runs on it. The companion Admin web app at http://localhost:8080/admin/ lets you configure just about everything about Tomcat and the web apps it runs. I'm sure Suns server has something similar, or rather, much more sophisticated. [ January 30, 2006: Message edited by: Ulf Dittmer ]
To add to Ulf's excellent answer, http://localhost:8080/manager/html is a gui version of the manager app. I think everything you've mentioned is featured in it.
I haven't looked at Tomcat Probe yet but it's on my list.
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