client_error_handling.coffee

page.model.socket?.onerror = (message, errCode) ->
  if message not in ['Unknown session ID', 'Request failed']
  app.postError new Error message, {source: 'model-socket-error'}

page.model.shareConnection?.on 'error', (e) ->
  app.postError e, {source: 'model-share-error'}

page.model.on 'error', (e) ->
  app.postError e, {source: 'model-error'}
  if e.message && e.message.indexOf('403') != -1
  page.model.disconnect()
  throw e