There's currently little feedback when the server encounters an error, and is unable to return any data. This makes debugging issues only found when testing via real live code in the editor hard.
Try running the server (node_modules/tern/bin/tern) manually, from your project dir, with the --verbose command-line option. It'll spit out diagnostic information to stdout.
There's currently little feedback when the server encounters an error, and is unable to return any data. This makes debugging issues only found when testing via real live code in the editor hard.