Internal servlets
WAS provides internal (built-in) servlets that you can add to your Web module to enable optional functions for that Web module.
Here are the available internal servlets:
com.ibm.ws.webcontainer.servlet.InvokerServlet
Invokes a servlet by class name. This servlet is added to a Web module by clicking on the module from the application assembly tool, selecting the IBM Extensions tab in the right pane, and selecting Serve servlets by classname.org.apache.jasper.runtime.JspServlet
Enables the JSP page compiler for processing a Web module's JPS files.com.ibm.ws.webcontainer.servlet.DefaultErrorReporter
Uses the extended error reporting function. See enhancing error reporting for more information.com.ibm.servlet.PageListServlet
This servlet allows you to call a JSP file by name from within your servlet code. See Page lists for more information.com.ibm.ws.webcontainer.servlet.SimpleFileServlet
Enables file serving for static files such as HTML and GIF files.