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When I first go to the manager app http://localhost:8080/manager/html, there was a browser prompt login window asking for username and password. By entering the wrong username and password, the page returned 403(access denied).

So I googled a bit and setup as follows:

<role rolename="manager-gui" />
<user username="admin" password="tomcat" roles="manager-gui"/>
<!-- these 2 lines was there before my editing -->
<user password="tom" roles="manager-script,admin" username="tom"/>
<user password="tomcat" roles="manager-script,admin" username="tomcat"/> 

After restarting tomcat, the manager app this time shows 403 page directly without asking for username and password. So I'm a bit confused. What kind of authentication is this manager app using? And how can I login to the manager app?

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This has to do with the browser and its policy to preserve active logins. For Firefox you can go to ''Tools'' -> ''Clear Recent History...'' and clear ''Active Logins''. Refreshing your manager app after that will pop up the prompt you were asking for.

Cheers, β

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