1node:events:*
2      throw er; * Unhandled 'error' event
3      ^
4
5Error
6    at Object.<anonymous> (*events_unhandled_error_subclass.js:*:*)
7Emitted 'error' event on Foo instance at:
8    at Object.<anonymous> (*events_unhandled_error_subclass.js:*:*)
9
10Node.js *
11