502 error with nginx in specified pages


I have some problem with some pages like:

I get 502 errors only on this kind of pages, in all the other pages (dashboard, settings, invoices/quotes lists, etc) everything works like a charm.

Logs says:
2017/10/16 10:31:07 [error] 29401#29401: *21892 recv() failed (104: Connection reset by peer) while reading response header from upstream, client:, server: domain.com, request: "GET /invoiceplane/invoices/view/70 HTTP/2.0", upstream: "fastcgi://", host: "domain.com", referrer: "https://domain.com/invoiceplane/dashboard"

My nginx config is:

server {
server_name domain.com www.domain.com;
listen xxx.xxx.xxx.xxx;
root /home/domain/public_html;
index index.html index.htm index.php;
access_log /var/log/virtualmin/domain.com_access_log;
error_log /var/log/virtualmin/domain.com_error_log;

fastcgi_param GATEWAY_INTERFACE CGI/1.1;
fastcgi_param SERVER_SOFTWARE nginx;
fastcgi_param QUERY_STRING $query_string;
fastcgi_param REQUEST_METHOD $request_method;
fastcgi_param CONTENT_TYPE $content_type;
fastcgi_param CONTENT_LENGTH $content_length;
fastcgi_param SCRIPT_FILENAME /home/domain/public_html$fastcgi_script_name;
fastcgi_param SCRIPT_NAME $fastcgi_script_name;
fastcgi_param REQUEST_URI $request_uri;
fastcgi_param DOCUMENT_URI $document_uri;
fastcgi_param DOCUMENT_ROOT /home/domain/public_html;
fastcgi_param SERVER_PROTOCOL $server_protocol;
fastcgi_param REMOTE_ADDR $remote_addr;
fastcgi_param REMOTE_PORT $remote_port;
fastcgi_param SERVER_ADDR $server_addr;
fastcgi_param SERVER_PORT $server_port;
fastcgi_param SERVER_NAME $server_name;
fastcgi_param HTTPS $https;
location ~ \.php$ {
	try_files $uri =404;
	fastcgi_pass localhost:8000;

location /invoiceplane {
        try_files $uri $uri/ /invoiceplane/index.php?q=$uri;

listen ssl;
ssl_certificate /home/domain/ssl.cert;
ssl_certificate_key /home/domain/ssl.key;
fastcgi_read_timeout 30;


have you any ideas about it?


anyone? :tired_face:

problem solved with this (and IP 1.5.5):

I couldn’t find any nginx and php-fpm error on logs so I didn’t found the fix untill now.

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