I got a few error log messages that I'm trying to understand:

File does not exist: /var/apache/www/js/clientlusone.js
Is it a security risk if someone accesses the Google+ API using a script hosted on my domain?

File does not exist: /var/apache/www/js/library/,data:n}).done(function(e){o=arguments,s.html(i
File does not exist: /var/apache/www/js/library/],_default:x.support.htmlSerialize
File does not exist: /var/apache/www/js/library/===n
I checked my JS file and the syntax is perfect. What's causing it?