403 Access Denied on Tomcat 8 Manager App without prompting for user/password

Question

I have set up tomcat 8 according to this, and I have the following tomcat-users.xml file:

Answer 1

I had to add both manager-gui and manager-script roles for it to work, in version 9.

After getting the access to MangerApp, while trying to upload .war file, I got the exception

org.apache.tomcat.util.http.fileupload.FileUploadBase$IOFileUploadException

which I was able to solve using the answer of this post

To get access for Host Manager, check this post