How to resolve my 404 error when using hook menu?
I tested the code by adding that path and it works.

I suggest the following steps debug:


Make sure that Drupal is able to flush the cache without any problem by checking if there is any errors at admin/reports/dblog
If you didn't find any errors when you flushed the cache, try to add a die('checking hook_menu') on your hook_menu implementation to see if the hook is being executed.
If you are not going to pass any arguments to that callback I suggest you to remove the line 'page arguments' =&gt; array(),
Check your Apache/NGINX settings, it could contain something that is affecting that path.