ValueError when missing hatchrate

[pawelmhm]

Not a big deal, but if you forget to specify hatch_rate in web interface you'll get ugly exception in logs, flask app could check for blank values in form and return some friendly error message to client

[2015-01-27 15:16:56,474] pawel-All-Series/ERROR/stderr: Traceback (most recent call last):
[2015-01-27 15:16:56,474] pawel-All-Series/ERROR/stderr: File "/usr/local/lib/python2.7/dist-packages/gevent/pywsgi.py", line 508, in handle_one_response
[2015-01-27 15:16:56,474] pawel-All-Series/ERROR/stderr: self.run_application()
[2015-01-27 15:16:56,474] pawel-All-Series/ERROR/stderr: File "/usr/local/lib/python2.7/dist-packages/gevent/pywsgi.py", line 494, in run_application
[2015-01-27 15:16:56,474] pawel-All-Series/ERROR/stderr: self.result = self.application(self.environ, self.start_response)
[2015-01-27 15:16:56,474] pawel-All-Series/ERROR/stderr: File "/home/pawel/py/flask/flask/app.py", line 1903, in __call__
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: return self.wsgi_app(environ, start_response)
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: File "/home/pawel/py/flask/flask/app.py", line 1887, in wsgi_app
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: response = self.make_response(self.handle_exception(e))
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: File "/home/pawel/py/flask/flask/app.py", line 1465, in handle_exception
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: reraise(exc_type, exc_value, tb)
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: File "/home/pawel/py/flask/flask/app.py", line 1884, in wsgi_app
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: response = self.full_dispatch_request()
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: File "/home/pawel/py/flask/flask/app.py", line 1539, in full_dispatch_request
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: rv = self.handle_user_exception(e)
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: File "/home/pawel/py/flask/flask/app.py", line 1443, in handle_user_exception
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: reraise(exc_type, exc_value, tb)
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: File "/home/pawel/py/flask/flask/app.py", line 1537, in full_dispatch_request
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: rv = self.dispatch_request()
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: File "/home/pawel/py/flask/flask/app.py", line 1523, in dispatch_request
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: return self.view_functions[rule.endpoint](**req.view_args)
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: File "/usr/local/lib/python2.7/dist-packages/locust/web.py", line 50, in swarm
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: hatch_rate = float(request.form["hatch_rate"])
[2015-01-27 15:16:56,555] pawel-All-Series/ERROR/stderr: ValueError: could not convert string to float:
[2015-01-27 15:16:56,559] pawel-All-Series/ERROR/stderr: {'CONTENT_LENGTH': '27',

Overall locust is great though.

[mejibyte]

I was just hit with this issue. Spent a long time debugging only to realize I had just left hatch rate blank in the form. Showing a friendlier error on the UI would be a great user experience improvement, especially for Locust newcomers.

[github-actions]

This issue is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 10 days.

[github-actions]

This issue is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 10 days.

[github-actions]

This issue was closed because it has been stalled for 10 days with no activity. This does not necessarily mean that the issue is bad, but it most likely means that nobody is willing to take the time to fix it. If you have found Locust useful, then consider contributing a fix yourself!