https://issues.jboss.org/browse/JBIDE-8443 Value of tag security-role/role-name in web.xml is validated incorrectly by JBoss Tools XML editor.
https://issues.jboss.org/browse/JBIDE-8444 Value of tag login-config/auth-method in web.xml is validated incorrectly by JBoss Tools XML editor.
https://issues.jboss.org/browse/JBIDE-8445 Add preference disabling attribute validation in JBoss Tools XML editor.