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From "Marcus Christie (Jira)" <j...@apache.org>
Subject [jira] [Updated] (AIRAVATA-3363) mod_wsgi: Truncated or oversized response headers received from daemon process
Date Tue, 11 Aug 2020 20:53:00 GMT

     [ https://issues.apache.org/jira/browse/AIRAVATA-3363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Marcus Christie updated AIRAVATA-3363:
--------------------------------------
    Description: 
mod_wsgi errors for the Django Portal when integrated with Custos:
{code}
[Tue Aug 11 18:59:24.552801 2020] [wsgi:error] [pid 8643] [client 68.51.122.242:51536] Timeout
when reading response headers from daemon process 'aci.general.scigap.org': /var/www/portals/django-airavata-custos-integration/airavata-django-portal/django_airavata/wsgi.py,
referer: https://aci.general.scigap.org/admin/users/
...
[Tue Aug 11 19:03:29.714533 2020] [wsgi:error] [pid 7967] [client 68.51.122.242:52587] Truncated
or oversized response headers received from daemon process 'aci.general.scigap.org': /var/www/portals/django-airavata-custos-integration/airavata-django-portal/django_airavata/wsgi.py,
referer: https://aci.general.scigap.org/
...
{code}

Turns out the problem is probably related to running C extensions in some Python modules.
Just a guess but it might be the grpc libraries since those are new with the Custos integration.
https://serverfault.com/questions/844761/wsgi-truncated-or-oversized-response-headers-received-from-daemon-process/844786#844786

The fix was to add 
{code}
WSGIApplicationGroup %{GLOBAL}
{code}
to the virtual conf file.


  was:
mod_wsgi errors for the Django Portal when integrated with Custos:
```
[Tue Aug 11 18:59:24.552801 2020] [wsgi:error] [pid 8643] [client 68.51.122.242:51536] Timeout
when reading response headers from daemon process 'aci.general.scigap.org': /var/www/portals/django-airavata-custos-integration/airavata-django-portal/django_airavata/wsgi.py,
referer: https://aci.general.scigap.org/admin/users/
...
[Tue Aug 11 19:03:29.714533 2020] [wsgi:error] [pid 7967] [client 68.51.122.242:52587] Truncated
or oversized response headers received from daemon process 'aci.general.scigap.org': /var/www/portals/django-airavata-custos-integration/airavata-django-portal/django_airavata/wsgi.py,
referer: https://aci.general.scigap.org/
...
```

Turns out the problem is probably related to running C extensions in some Python modules.
Just a guess but it might be the grpc libraries since those are new with the Custos integration.
https://serverfault.com/questions/844761/wsgi-truncated-or-oversized-response-headers-received-from-daemon-process/844786#844786

The fix was to add 
```
WSGIApplicationGroup %{GLOBAL}
```
to the virtual conf file.


> mod_wsgi: Truncated or oversized response headers received from daemon process
> ------------------------------------------------------------------------------
>
>                 Key: AIRAVATA-3363
>                 URL: https://issues.apache.org/jira/browse/AIRAVATA-3363
>             Project: Airavata
>          Issue Type: Bug
>          Components: Django Portal
>            Reporter: Marcus Christie
>            Assignee: Marcus Christie
>            Priority: Major
>
> mod_wsgi errors for the Django Portal when integrated with Custos:
> {code}
> [Tue Aug 11 18:59:24.552801 2020] [wsgi:error] [pid 8643] [client 68.51.122.242:51536]
Timeout when reading response headers from daemon process 'aci.general.scigap.org': /var/www/portals/django-airavata-custos-integration/airavata-django-portal/django_airavata/wsgi.py,
referer: https://aci.general.scigap.org/admin/users/
> ...
> [Tue Aug 11 19:03:29.714533 2020] [wsgi:error] [pid 7967] [client 68.51.122.242:52587]
Truncated or oversized response headers received from daemon process 'aci.general.scigap.org':
/var/www/portals/django-airavata-custos-integration/airavata-django-portal/django_airavata/wsgi.py,
referer: https://aci.general.scigap.org/
> ...
> {code}
> Turns out the problem is probably related to running C extensions in some Python modules.
Just a guess but it might be the grpc libraries since those are new with the Custos integration.
https://serverfault.com/questions/844761/wsgi-truncated-or-oversized-response-headers-received-from-daemon-process/844786#844786
> The fix was to add 
> {code}
> WSGIApplicationGroup %{GLOBAL}
> {code}
> to the virtual conf file.



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