OSError: [Errno 8] Exec format error - python

Question

Whenever I run my program using the command python app.py on Ubuntu on Windows it displays this entire message. Seems to me that it runs for a bit then crashes. I honestly have no clue where in my code the error is at, doesn't seem to show on the picture either. All it shows is the OSError: [Errno 8] Exec format error. Can someone please explain why I am getting this error? This is not a duplicate thread since I am not using docker and that error is different.

The code I am using:

from flask import Flask, render_template, request, session, logging, url_for, redirect, flash
from sqlalchemy import create_engine
from sqlalchemy.orm import scoped_session, sessionmaker


from passlib.hash import sha256_crypt

What if you just run 'python'? This looks like it might have nothing to do with your program. — CryptoFool
– CryptoFool, Commented Mar 24, 2019 at 3:34
@Steve I tried that out just now and it just gives me the GCC for it. Please see the modified post with the image url named"Just running 'python'. — user11229055
– user11229055, Commented Mar 24, 2019 at 3:40
Do not share screenshots of code or text output. Instead, copy/paste the code itself. You also should supply more information about the issue: what environment is it running in, what library versions you are using, what have you tried so far to fix it... — user3089519
– user3089519, Commented Mar 24, 2019 at 3:42
Possible duplicate of Flask CLI throws 'OSError: [Errno 8] Exec format error' when run through docker-compose — user3089519
– user3089519, Commented Mar 24, 2019 at 3:45
It is not a duplicate. I have the tag ubuntu-18.04, because I am using that environment. Like I said, I do not know where in my program I am getting the error. If I did, I would be more than happy to provide that snippet. @swalladge — user11229055
– user11229055, Commented Mar 24, 2019 at 3:46

Ola · Accepted Answer · 2019-05-12 23:45:07Z

14

I encountered the same problem and this is how i solved it:

I uninstalled the werkzeug version that was initially installed

pip uninstall werkzeug

Then i re-installed werkzeug 0.14.1 version. That solved it for me.

pip install --upgrade werkzeug==0.14.1

Here's a link on how to upgrade/downgrade werkzeug

edited May 12, 2019 at 23:45

answered Apr 6, 2019 at 4:01

Ola

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2 Comments

vmf91 Over a year ago

Please get the commands from the url and put it on your answer as it will improve its quality.

qatz Over a year ago

Thank you so much, mine was 0.15.2 and working well after downgrade to 0.14.1

Dan · Accepted Answer · 2019-03-29 12:24:59Z

1

Please check: Flask CLI throws 'OSError: [Errno 8] Exec format error' when run through docker-compose

"There is a bug with werkzeug 0.15.1 and docker. Downgrading it to werkzeug==0.14.1 worked for me."

Also for me...

edited Mar 29, 2019 at 12:24

answered Mar 29, 2019 at 10:33

Dan

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