Nginx fails to restart after enabling SSL Support; Site goes down

[rajbdilip]

After Enabling SSL Support and entering required keys, and then hitting Save, the settings get saved but the site goes down and nginx fails to restart.

Nginx error log gives the following:

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2016/11/02 18:59:29 [emerg] 8687#8687: bind() to 104.131.90.2:443 failed (98: Address already in use)
2016/11/02 18:59:29 [emerg] 8687#8687: bind() to 104.131.90.2:443 failed (98: Address already in use)
2016/11/02 18:59:29 [emerg] 8687#8687: bind() to 104.131.90.2:443 failed (98: Address already in use)
2016/11/02 18:59:29 [emerg] 8687#8687: still could not bind()
2016/11/02 18:59:54 [emerg] 8922#8922: bind() to 104.131.90.2:443 failed (98: Address already in use)
2016/11/02 18:59:54 [emerg] 8922#8922: bind() to 104.131.90.2:443 failed (98: Address already in use)
2016/11/02 18:59:54 [emerg] 8922#8922: bind() to 104.131.90.2:443 failed (98: Address already in use)
2016/11/02 18:59:54 [emerg] 8922#8922: bind() to 104.131.90.2:443 failed (98: Address already in use)
2016/11/02 18:59:54 [emerg] 8922#8922: bind() to 104.131.90.2:443 failed (98: Address already in use)
2016/11/02 18:59:54 [emerg] 8922#8922: still could not bind()

BUT if I reboot the server, Nginx starts up and I can access the site with both 'http' and with 'https' but I get 500 Internal Server on the page and 502 Bad Gateway in browser console. This error goes away if I disable the SSL support from VestaCP panel and reboot the server.

For your consideration:

nginx version: nginx/1.10.2
vesta - core package Version:0.9.8 (amd64) Release:16

[rajbdilip]

After rebooting the server, when it gives 500 Internal Server error, netstat -tuapen | grep 443 gives:

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tcp        0      0 104.131.90.2:443        0.0.0.0:*               LISTEN      0          22290       4453/nginx.conf

It looks nginx itself is listening to the port. What could be causing 502? I had done clean Nginx + Apache install and haven't messed up with any nginx or apache configuration.

[h2p]

What do you think about?

[cboursinos]

Same error! You found solution?

[noogen]

Can you post all your nginx confs?
/home/*/conf/web/nginx.conf
/home/*/conf/web/snginx.conf
/home/*/conf/web/nginx.*.conf_letsencrypt

[rajbdilip]

I did a fresh install and it worked. Perhaps letsencrypt messed up some config.