This filter triggers a scan for hot deployable components and descriptor files on each request. The URL pattern should be set to the same pattern as used by the Faces Servlet. Note that this filter is automatically disabled when Seam debug mode is disabled. This filter provides integration between Servlet Security and the identity component. Detects multipart form requests and processes them according to the multipart/form-data specification (RFC-2388). This filter allows Seam to propagate the conversation context across browser redirects. It intercepts any browser redirects and adds a request parameter that specifies the Seam conversation identifier. This filter provides the exception mapping functionality in pages.xml. This filter allows custom servlets to interact with the Seam contexts. It sets up the Seam contexts at the begin- ning of each request, and tears them down at the end of the request. Sets the character encoding of submitted form data. Although not recommended for use unless absolutely necessary, Seam provides means for authenticating using either HTTP Basic or HTTP Digest (RFC 2617) methods. This filter adds the authenticated user name to the log4j mapped diagnostic context so that it can be included in formatted log output if desired, by adding %X{username} to the pattern. The ajax4jsf filter for RichFaces This filter performs URL rewriting. This is the servlet mapping. It should be set to the same pattern as used by the Faces Servlet. If no value is specified, a pattern of *.seam will be assumed.