We'd like to help, but without a bit more information it's hard to tell what your problem is. Please let us know the following: 1. what servlet container you are using 2. the full test of the error message you get back 3. what you are trying to do with your servlet If it's small, you ould also include the code of your servlet. With this information, someone here should be able to help you. Thanks.
Servletrunner is a utility comes with JSDK2.0, javaservlet development kit which can be downloaded from www.java.sun.com It is a utility which can be utilised to execute any servlets from the address bar of the browser. It runs default at port no:8080. Its features are limited as compared to a web server, but however is usefull while learning java servlets. Only servlet in the local machine and within a lan can be executed using the following command in the address bar of the browser http://machinename:8080/servlet/SevletClassFileName