Common server problems - KL-Psychological-Methodology/ESMira GitHub Wiki
Common server problems
Here are some answers to the most common questions we get.
If you still need assistance, the discussion forum can help you (when posting, consider adding the contents of your error.log
).
Using a Self signed certificate
Unfortunately Android apps are not able to connect to servers using a self-signed certificate. If you want participants using Android smartphones be able to participate in your study, we recommend using https://letsencrypt.org/ instead.
Scanning QR codes from my server do not work
This is most likely caused because your server does not have a TLS certificate and can not be accessed via HTTPS. Please have a look at Prerequisites: TLS certificate (HTTPS)
Writing the file /.../config.php failed
)
When trying to initialize ESMira the server has an error (Most likely this is caused because ESMira does not have sufficient permissions. Are you sure you have done Step 3: Set the correct file permissions properly?
Have a look in your error.log (usually found in /usr/var/log/apache/error.log
or /usr/var/log/nginx/error.log
). It will tell you what exactly went wrong.