How to solve the problem of End of script output before headers: app.wsgi error in openstack

This article will explain in detail how to solve the problem of End of script output before headers: app.wsgi error in openstack. The editor thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article.

Environment: openstack (ocata version) runs the ceilomter-api service in the docker container. After the api service is deployed, the ceilomter command (ceilometer meter-list) cannot be used properly.

Error log:

Solution:

Edit ceilometer-api/wsgi-ceilometer-api.conf

Add WSGIApplicationGroup% {GLOBAL} under WSGIProcessGroup ceilometer-api

Then restart the ceilomter-api service

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