python - IO Error - Flask-mail and running server with proxy -

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i'm very wierd bug...

i have flask app using flask-mail send email messages.

in redhat server, tryied using runserver (flask-manager) , gunicorn. have apache server connecting app using proxy.

when run app, using user (root or other), app runs , sends emails normally.

but when close session server (exit in terminal) stops send mail , gives me stack trace:

    in send_mail     return mail.send(msg)   file "/usr/local/lib/python2.7/site-packages/flask_mail.py", line 415, in send     self.connect() connection:   file "/usr/local/lib/python2.7/site-packages/flask_mail.py", line 123, in __enter__     self.host = self.configure_host()   file "/usr/local/lib/python2.7/site-packages/flask_mail.py", line 144, in configure_host     host.login(self.mail.username, self.mail.password)   file "/usr/local/lib/python2.7/smtplib.py", line 575, in login     self.ehlo_or_helo_if_needed()   file "/usr/local/lib/python2.7/smtplib.py", line 535, in ehlo_or_helo_if_needed     if not (200 <= self.ehlo()[0] <= 299):   file "/usr/local/lib/python2.7/smtplib.py", line 406, in ehlo     self.putcmd(self.ehlo_msg, name or self.local_hostname)   file "/usr/local/lib/python2.7/smtplib.py", line 336, in putcmd     self.send(str)   file "/usr/local/lib/python2.7/smtplib.py", line 320, in send     print>>stderr, 'send:', repr(str) ioerror: [errno 5] input/output error

running manager:

  • python myapp.py

running gunicorn use:

  • gunicorn -w 2 -b 0.0.0.0:8388 myapp:app

i'm stuck here.. tested using 2 different containers... not have other ideias solve it... using wsgi not make work on server cause lib not install @ =(

any other ideas?

thanks!

looking @ smtplib source (https://hg.python.org/cpython/file/2.7/lib/smtplib.py#l324), looks what's happening you're trying write stderr, may source of i/o error when running under server.

if you're setting smtp(...).debuglevel anywhere, try removing line.


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