help you fix your problem Are you quite sure that <%=invite_path(@invite.alias)%> does, in fact, output a relative path? That nothing has resolved it (incorrectly) along the way? What does the actual output to the src attribute end up looking like?
With these it helps I am trying to allow all users in the admin group to run a jar file as SUDO without a password, I have edited the sudoers file (using visudo) and tried a number of commands but it still prompts me for a password every time , Try:
it should still fix some issue Ports under 1024 are on most modern OS's (Ubuntu included) privileged, and require you to run the program as administrator/root or with elevated privileges. Try a higher port for testing at home and you should be ok.
Permission denied: Attempt to bind port without permission. FTP
will be helpful for those in need I'm not a Java guy, but I suspect you're trying to use "active" FTP, which is likely the default. Active FTP works by binding to a port on the receiving computer (the client in this case) to which the sending server can connect to send the file; the port number is sent over in the get request. This doesn't work in many environments, e.g. NAT.