I have installed:
When I try to add
I have solution it, just correct the user rights, as in Ubuntu command: sudo chown -R yourname:yourgroup /opt/apache-tomcat-7.0.55, then restart eclipse, will be ok.
i had the same issue in debian. the link bellow helped me http://crunchify.com/eclipse-how-to-fix-installing-apache-tomcat-server-issue-blank-server-name-field/
Note: the default workspace-directory of eclipse on debian is /home/userNameFolder/workspace