The IDE provides the HTTP Server-Side Monitor to help diagnose problems with data flow from JSP page and servlet execution on the web server. The HTTP Server-Side Monitor gathers data about HTTP requests that are processed by the servlet engine. For each HTTP request that is processed, the monitor records data about the incoming request and the data states maintained on the server.
You can analyze your HTTP requests, store request records for future sessions, and replay and edit previous HTTP requests. HTTP request records are stored until you exit the IDE, unless you explicitly save them.