How to fix API 500 internal server error - ubuntu droplet

I just deployed my .net 5.0 app to ubuntu Droplet, in which Apache proxy was configured by run below commands without any issue:

a2enmod proxy proxy_http proxy_html rewrite systemctl restart apache2 sudo ufw allow ‘Apache Full’

When visit my site, all the static content display properly. However, there is issue to access API controllers and thus failed retrieving data.

Error Info from server journalctl: … Request finished HTTP/1.1 GET http://myIp/api/ads/adsImage/images - - - 500 - application/json 7.7037ms …

Error from my client: “Http failure response for http://myIp/api/ads/adsImage/images: 500 Internal Server Error”

Is this issue related to proxy or CORS or my code? Local testing was absolutely successful.

How should I to figure it out?


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Hi @gdliu,

Usually, the 500 Internal Server Error is connected with some misconfiguration on either your Apache config file or your .htaccess.

The best solution would be to check your Apache error_log in /var/log/apache2. In there (in the log), you should be able to see the exact reason behind the 500 error and correct it.

Regards, KFSys