go to $CATALINE_HOME/conf.tomcat-users.xml file where CATALINA_HOME is the directory where you have installed Tomcat.
Add one line <user name="Me myself" password="and Tomcat" roles="manager" /> or you can insert the role manager in one of the existing role. shutdown and start Tomcat and then http://localhost:8100/manager/list I see you are using port 8100. Default is 8080 unless you have changed it. Good luck Aman -- This e-mail may contain confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorized copying, disclosure or distribution of the material in this e-mail is strictly forbidden. -- To unsubscribe: <mailto:[EMAIL PROTECTED]> For additional commands: <mailto:[EMAIL PROTECTED]> Troubles with the list: <mailto:[EMAIL PROTECTED]>