How to run Tomcat manager web application

1. Add the security role manager to $CATALINA_HOME/conf/tomcat-users.xml, and assign this role to a username, say tomcat:

<role rolename="manager"/>
<user username="tomcat" password="tomcat" roles="tomcat,manager"/>
2. Start Tomcat:
(%CATALINA_HOME%\bin\startup.bat on windows)
3. Browser the URL http://localhost:8080, and click the Tomcat Manager link on the upper-left corner. In the basic login page, enter username tomcat and password tomcat, as specified in conf/tomcat-users.xml. Tomcat Manager web application allows you to view Tomcat server info, deploy and undeploy webapps, and other simple management tasks.