= Request Handling Overview On each user request, Trac invokes multiple extension point interface implementations registered with the system. How Trac services a given request is shown in the diagrams below. Please note that the diagram is simplified in that has no error responses and therefore no rendering of error pages. Also see the attachments for more request handling. == Project Index Request Handling [[Image(wiki:TracDev/RequestHandling:ProjectIndexRequestHandling.2.png,100%)]] == Generic Request Handling [[Image(wiki:TracDev/RequestHandling:GenericRequestHandling.png,100%)]]