Basically I can rely on seeing this error if I change buffers back and forth. It's very easy to replicate.
Using neovim v0.2.0 and the latest tern.
Failed to start server:
module.js:487
throw err;
^
Error: Cannot find module '/Users/jmiller/.nvim/bundles/repos/github.com/ternjs/tern_for_vim/node_modules/tern/bin/tern'
at Function.Module._resolveFilename (module.js:485:15)
at Function.Module._load (module.js:437:25)
at Function.Module.runMain (module.js:605:10)
at startup (bootstrap_node.js:158:16)
at bootstrap_node.js:575:3
Basically I can rely on seeing this error if I change buffers back and forth. It's very easy to replicate.
Using neovim v0.2.0 and the latest tern.