Re: [modwsgi] RHEL 7 mod_wsgi s.bind Permission denied errors

[Graham Dumpleton]

And what was the original URL the POST request was made against?

How is the Flask handler defined which is meant to handle the URL for the POST 
request?

> On 20 Aug 2019, at 1:42 am, Jeremy Hawkins  wrote:
> 
> The alias is at /online
> WSGIScriptAlias /online /var/projects/janus/app.wsgi
> 
> The location header is 
> Location: https://sy-devsophia.hccs.edu/online/admin/faculty/30087
> 
> 
> 
> On Friday, August 16, 2019 at 4:24:33 PM UTC-5, Graham Dumpleton wrote:
> At what sub path to the site are the post requests being targeted?
> 
> Sounds more like you have an issue where handler is at /subpath/, but you are 
> using /subpath, and so trailing slash redirection is being tripped.
> 
> What does the Location header in responses say?
> 
> How do you have WSGIScriptAlias set in the Apache config?
> 
>> On 17 Aug 2019, at 6:14 am, Jeremy Hawkins > wrote:
>> 
>> Thank you.  Removing the app.run() and changing the app to application 
>> (using a factory so changed app = create_app() --> application = 
>> create_app())
>> 
>> Now when running the site via apache the post requests don't seem to be 
>> running.  They all return the http code of 302 (found) instead of 200 like 
>> they do when I run the app directly in python.  I am not seeing any errors 
>> in any logs and the path the post is using is being formed correctly by the 
>> url_for function.  I'd almost say the post request aren't passing data to 
>> the wsgi application?
>> 
>> On Friday, August 16, 2019 at 1:21:16 AM UTC-5, Graham Dumpleton wrote:
>> You shouldn't be invoking app.run() when hosting under mod_wsgi as that is 
>> trying to start its own server.
>> 
>> You should use a check like:
>> 
>> if __name__ == "__main__":
>> 
>> 
>> around the parts of the Flask code where the Flask development server is 
>> started so that it isn't run when that file is imported in a context other 
>> than being a main program.
>> 
>> What mod_wsgi is expecting is a WSGI application entry point called 
>> "application". See:
>> 
>> https://flask.palletsprojects.com/en/1.1.x/deploying/mod_wsgi/ 
>> 
>> 
>>> On 16 Aug 2019, at 4:34 am, Jeremy Hawkins gmail.com 
>>> > wrote:
>>> 
>>> I am trying to run a flask app as a script with Apache 2.4 under a Red Hat 
>>> Enterprise Linux 7.6
>>> 
>>> I got the app to the point where it will run if a do use python app.wsgi 
>>> (within that directory).
>>> 
>>> When I try to run it from apach using the mod_wsgi I get the following 
>>> errors in the logs.
>>> 
>>> I have tried everything that I can run across to try to resolve this issue. 
>>>  I am at a lost to even figure what is actually causing this issue.
>>> 
>>> 
>>> Error Log:
>>> mod_wsgi (pid=4159): Exception occurred processing WSGI script 
>>> '/var/projects/janus/app.wsgi'.
>>> Traceback (most recent call last):
>>> File "/var/projects/janus/app.wsgi", line 11, in 
>>> app.run(host="0.0.0.0")
>>> File "/var/projects/janus/venv/lib/python3.6/site-packages/flask/app.py", 
>>> line 990, in run
>>> run_simple(host, port, self, **options)
>>> File 
>>> "/var/projects/janus/venv/lib/python3.6/site-packages/werkzeug/serving.py", 
>>> line 987, in run_simple
>>> s.bind(server_address)
>>> PermissionError: [Errno 13] Permission denied
>>> 
>>> 
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>>> "modwsgi" group.
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>>> https://groups.google.com/d/msgid/modwsgi/6ffd7529-a989-45de-9ce3-5b3466915623%40googlegroups.com
>>>  
>>> .
>> 
>> 
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>>  
>> .
> 
> 
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You 

Re: [modwsgi] RHEL 7 mod_wsgi s.bind Permission denied errors

[Jeremy Hawkins]

The alias is at /online
WSGIScriptAlias /online /var/projects/janus/app.wsgi

The location header is 
Location: 
https://sy-devsophia.hccs.edu/online/admin/faculty/30087



On Friday, August 16, 2019 at 4:24:33 PM UTC-5, Graham Dumpleton wrote:
>
> At what sub path to the site are the post requests being targeted?
>
> Sounds more like you have an issue where handler is at /subpath/, but you 
> are using /subpath, and so trailing slash redirection is being tripped.
>
> What does the Location header in responses say?
>
> How do you have WSGIScriptAlias set in the Apache config?
>
> On 17 Aug 2019, at 6:14 am, Jeremy Hawkins  > wrote:
>
> Thank you.  Removing the app.run() and changing the app to application 
> (using a factory so changed app = create_app() --> application = 
> create_app())
>
> Now when running the site via apache the post requests don't seem to be 
> running.  They all return the http code of 302 (found) instead of 200 like 
> they do when I run the app directly in python.  I am not seeing any errors 
> in any logs and the path the post is using is being formed correctly by the 
> url_for function.  I'd almost say the post request aren't passing data to 
> the wsgi application?
>
> On Friday, August 16, 2019 at 1:21:16 AM UTC-5, Graham Dumpleton wrote:
>>
>> You shouldn't be invoking app.run() when hosting under mod_wsgi as that 
>> is trying to start its own server.
>>
>> You should use a check like:
>>
>> if __name__ == "__main__":
>> 
>>
>> around the parts of the Flask code where the Flask development server is 
>> started so that it isn't run when that file is imported in a context other 
>> than being a main program.
>>
>> What mod_wsgi is expecting is a WSGI application entry point called 
>> "application". See:
>>
>> https://flask.palletsprojects.com/en/1.1.x/deploying/mod_wsgi/
>>
>> On 16 Aug 2019, at 4:34 am, Jeremy Hawkins  wrote:
>>
>> I am trying to run a flask app as a script with Apache 2.4 under a Red 
>> Hat Enterprise Linux 7.6
>>
>> I got the app to the point where it will run if a do use python app.wsgi 
>> (within that directory).
>>
>> When I try to run it from apach using the mod_wsgi I get the following 
>> errors in the logs.
>>
>> I have tried everything that I can run across to try to resolve this 
>> issue.  I am at a lost to even figure what is actually causing this issue.
>>
>>
>> Error Log:
>> mod_wsgi (pid=4159): Exception occurred processing WSGI script 
>> '/var/projects/janus/app.wsgi'.
>> Traceback (most recent call last):
>> File "/var/projects/janus/app.wsgi", line 11, in 
>> app.run(host="0.0.0.0")
>> File "/var/projects/janus/venv/lib/python3.6/site-packages/flask/app.py", 
>> line 990, in run
>> run_simple(host, port, self, **options)
>> File 
>> "/var/projects/janus/venv/lib/python3.6/site-packages/werkzeug/serving.py", 
>> line 987, in run_simple
>> s.bind(server_address)
>> PermissionError: [Errno 13] Permission denied
>>
>>
>> -- 
>> You received this message because you are subscribed to the Google Groups 
>> "modwsgi" group.
>> To unsubscribe from this group and stop receiving emails from it, send an 
>> email to mod...@googlegroups.com.
>> To view this discussion on the web visit 
>> https://groups.google.com/d/msgid/modwsgi/6ffd7529-a989-45de-9ce3-5b3466915623%40googlegroups.com
>>  
>> 
>> .
>>
>>
>>
> -- 
> You received this message because you are subscribed to the Google Groups 
> "modwsgi" group.
> To unsubscribe from this group and stop receiving emails from it, send an 
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> To view this discussion on the web visit 
> https://groups.google.com/d/msgid/modwsgi/103fd512-f17f-40ab-8744-01972ca81aee%40googlegroups.com
>  
> 
> .
>
>
>

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