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Error 200 during WebSocket handshake: Aws load balancer + ec2 websocket


nginx redirect issue with upstream configurationnginx proxy redirecting request to different proxyApache / Nginx / Varnish - GZIP does not work on css, jsnginx rewrite throw 404 with last and breakNginX + WordPress + SSL + non-www + W3TC vhost config file questionsNginx WebSocket reverse proxy keeps return 200 instead of 101Amazon AWS WebSocket Load Balancing Scale-Inapache websocket conf for microservice managed by load balancerCannot get websocket connection working with ec2 + application load balancerRedirect in nginx port not showing up






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0















I'm using load balancer in front of an aws ec2 instance(I will have more in future). In this ec2, I have a website being served by nginx on port 80, a nodejs app listening on 8080 and the websocket on 4555.



My nginx.conf has rules to pass the requests based on location / as you can see:



server 
listen 80 default_server;
listen [::]:80 default_server;
server_name localhost;
root /var/www/html;

# Load configuration files for the default server block.
include /etc/nginx/default.d/*.conf;

#try_files $uri $uri/ @rewrite;
# location @rewrite
# rewrite ^/(.*)$ /index.php?param=$1;
#

location /api
proxy_pass http://127.0.0.1:8080;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection 'upgrade';
proxy_set_header Host $host;
proxy_cache_bypass $http_upgrade;


location /chat
proxy_pass http://127.0.0.1:4555;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection 'upgrade';
proxy_set_header Host $host;
proxy_cache_bypass $http_upgrade;




It was working when I was redirectioning the connection directly to the instance but now that we have the loadbalancer in the front it doesn't work anymore.



web application output:



WebSocket connection to 'wss://www.domain.com/socket.io/?EIO=3&transport=websocket' failed: Error during WebSocket handshake: Unexpected response code: 200



And this is the headers:



Request URL: wss://www.domain.com/socket.io/?EIO=3&transport=websocket
Request Method: GET
Status Code: 200 OK
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Connection: keep-alive
Content-Type: text/html; charset=UTF-8
Date: Mon, 20 May 2019 18:53:37 GMT
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Pragma: no-cache
Server: nginx/1.14.1
Transfer-Encoding: chunked
X-Powered-By: PHP/5.6.40
Accept-Encoding: gzip, deflate, br
Accept-Language: pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7
Cache-Control: no-cache
Connection: Upgrade
Cookie: PHPSESSID=a6v5ebp25cajb1dj9s6je605a3
Host: www.domain.com
Origin: https://www. domain.com
Pragma: no-cache
Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits
Sec-WebSocket-Key: kmYaufsBu3UFD+qGm1vlGA==
Sec-WebSocket-Version: 13
Upgrade: websocket
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Safari/537.36
EIO: 3
transport: websocket










share|improve this question
























  • OK, how did you set up the websocket endpoint in the load balancer?

    – Michael Hampton
    May 20 at 19:10











  • @MichaelHampton The websocket endpoint it's the same ec2 of the webserver. It's an ec2 in the target group of this load balancer. I also tried to activate connection stickyness but no success.

    – Sandro Benevides
    May 20 at 19:12

















0















I'm using load balancer in front of an aws ec2 instance(I will have more in future). In this ec2, I have a website being served by nginx on port 80, a nodejs app listening on 8080 and the websocket on 4555.



My nginx.conf has rules to pass the requests based on location / as you can see:



server 
listen 80 default_server;
listen [::]:80 default_server;
server_name localhost;
root /var/www/html;

# Load configuration files for the default server block.
include /etc/nginx/default.d/*.conf;

#try_files $uri $uri/ @rewrite;
# location @rewrite
# rewrite ^/(.*)$ /index.php?param=$1;
#

location /api
proxy_pass http://127.0.0.1:8080;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection 'upgrade';
proxy_set_header Host $host;
proxy_cache_bypass $http_upgrade;


location /chat
proxy_pass http://127.0.0.1:4555;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection 'upgrade';
proxy_set_header Host $host;
proxy_cache_bypass $http_upgrade;




It was working when I was redirectioning the connection directly to the instance but now that we have the loadbalancer in the front it doesn't work anymore.



web application output:



WebSocket connection to 'wss://www.domain.com/socket.io/?EIO=3&transport=websocket' failed: Error during WebSocket handshake: Unexpected response code: 200



And this is the headers:



Request URL: wss://www.domain.com/socket.io/?EIO=3&transport=websocket
Request Method: GET
Status Code: 200 OK
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Connection: keep-alive
Content-Type: text/html; charset=UTF-8
Date: Mon, 20 May 2019 18:53:37 GMT
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Pragma: no-cache
Server: nginx/1.14.1
Transfer-Encoding: chunked
X-Powered-By: PHP/5.6.40
Accept-Encoding: gzip, deflate, br
Accept-Language: pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7
Cache-Control: no-cache
Connection: Upgrade
Cookie: PHPSESSID=a6v5ebp25cajb1dj9s6je605a3
Host: www.domain.com
Origin: https://www. domain.com
Pragma: no-cache
Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits
Sec-WebSocket-Key: kmYaufsBu3UFD+qGm1vlGA==
Sec-WebSocket-Version: 13
Upgrade: websocket
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Safari/537.36
EIO: 3
transport: websocket










share|improve this question
























  • OK, how did you set up the websocket endpoint in the load balancer?

    – Michael Hampton
    May 20 at 19:10











  • @MichaelHampton The websocket endpoint it's the same ec2 of the webserver. It's an ec2 in the target group of this load balancer. I also tried to activate connection stickyness but no success.

    – Sandro Benevides
    May 20 at 19:12













0












0








0








I'm using load balancer in front of an aws ec2 instance(I will have more in future). In this ec2, I have a website being served by nginx on port 80, a nodejs app listening on 8080 and the websocket on 4555.



My nginx.conf has rules to pass the requests based on location / as you can see:



server 
listen 80 default_server;
listen [::]:80 default_server;
server_name localhost;
root /var/www/html;

# Load configuration files for the default server block.
include /etc/nginx/default.d/*.conf;

#try_files $uri $uri/ @rewrite;
# location @rewrite
# rewrite ^/(.*)$ /index.php?param=$1;
#

location /api
proxy_pass http://127.0.0.1:8080;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection 'upgrade';
proxy_set_header Host $host;
proxy_cache_bypass $http_upgrade;


location /chat
proxy_pass http://127.0.0.1:4555;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection 'upgrade';
proxy_set_header Host $host;
proxy_cache_bypass $http_upgrade;




It was working when I was redirectioning the connection directly to the instance but now that we have the loadbalancer in the front it doesn't work anymore.



web application output:



WebSocket connection to 'wss://www.domain.com/socket.io/?EIO=3&transport=websocket' failed: Error during WebSocket handshake: Unexpected response code: 200



And this is the headers:



Request URL: wss://www.domain.com/socket.io/?EIO=3&transport=websocket
Request Method: GET
Status Code: 200 OK
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Connection: keep-alive
Content-Type: text/html; charset=UTF-8
Date: Mon, 20 May 2019 18:53:37 GMT
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Pragma: no-cache
Server: nginx/1.14.1
Transfer-Encoding: chunked
X-Powered-By: PHP/5.6.40
Accept-Encoding: gzip, deflate, br
Accept-Language: pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7
Cache-Control: no-cache
Connection: Upgrade
Cookie: PHPSESSID=a6v5ebp25cajb1dj9s6je605a3
Host: www.domain.com
Origin: https://www. domain.com
Pragma: no-cache
Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits
Sec-WebSocket-Key: kmYaufsBu3UFD+qGm1vlGA==
Sec-WebSocket-Version: 13
Upgrade: websocket
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Safari/537.36
EIO: 3
transport: websocket










share|improve this question
















I'm using load balancer in front of an aws ec2 instance(I will have more in future). In this ec2, I have a website being served by nginx on port 80, a nodejs app listening on 8080 and the websocket on 4555.



My nginx.conf has rules to pass the requests based on location / as you can see:



server 
listen 80 default_server;
listen [::]:80 default_server;
server_name localhost;
root /var/www/html;

# Load configuration files for the default server block.
include /etc/nginx/default.d/*.conf;

#try_files $uri $uri/ @rewrite;
# location @rewrite
# rewrite ^/(.*)$ /index.php?param=$1;
#

location /api
proxy_pass http://127.0.0.1:8080;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection 'upgrade';
proxy_set_header Host $host;
proxy_cache_bypass $http_upgrade;


location /chat
proxy_pass http://127.0.0.1:4555;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection 'upgrade';
proxy_set_header Host $host;
proxy_cache_bypass $http_upgrade;




It was working when I was redirectioning the connection directly to the instance but now that we have the loadbalancer in the front it doesn't work anymore.



web application output:



WebSocket connection to 'wss://www.domain.com/socket.io/?EIO=3&transport=websocket' failed: Error during WebSocket handshake: Unexpected response code: 200



And this is the headers:



Request URL: wss://www.domain.com/socket.io/?EIO=3&transport=websocket
Request Method: GET
Status Code: 200 OK
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Connection: keep-alive
Content-Type: text/html; charset=UTF-8
Date: Mon, 20 May 2019 18:53:37 GMT
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Pragma: no-cache
Server: nginx/1.14.1
Transfer-Encoding: chunked
X-Powered-By: PHP/5.6.40
Accept-Encoding: gzip, deflate, br
Accept-Language: pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7
Cache-Control: no-cache
Connection: Upgrade
Cookie: PHPSESSID=a6v5ebp25cajb1dj9s6je605a3
Host: www.domain.com
Origin: https://www. domain.com
Pragma: no-cache
Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits
Sec-WebSocket-Key: kmYaufsBu3UFD+qGm1vlGA==
Sec-WebSocket-Version: 13
Upgrade: websocket
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Safari/537.36
EIO: 3
transport: websocket







nginx amazon-web-services node.js websocket






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited May 20 at 18:59







Sandro Benevides

















asked May 20 at 18:12









Sandro BenevidesSandro Benevides

165




165












  • OK, how did you set up the websocket endpoint in the load balancer?

    – Michael Hampton
    May 20 at 19:10











  • @MichaelHampton The websocket endpoint it's the same ec2 of the webserver. It's an ec2 in the target group of this load balancer. I also tried to activate connection stickyness but no success.

    – Sandro Benevides
    May 20 at 19:12

















  • OK, how did you set up the websocket endpoint in the load balancer?

    – Michael Hampton
    May 20 at 19:10











  • @MichaelHampton The websocket endpoint it's the same ec2 of the webserver. It's an ec2 in the target group of this load balancer. I also tried to activate connection stickyness but no success.

    – Sandro Benevides
    May 20 at 19:12
















OK, how did you set up the websocket endpoint in the load balancer?

– Michael Hampton
May 20 at 19:10





OK, how did you set up the websocket endpoint in the load balancer?

– Michael Hampton
May 20 at 19:10













@MichaelHampton The websocket endpoint it's the same ec2 of the webserver. It's an ec2 in the target group of this load balancer. I also tried to activate connection stickyness but no success.

– Sandro Benevides
May 20 at 19:12





@MichaelHampton The websocket endpoint it's the same ec2 of the webserver. It's an ec2 in the target group of this load balancer. I also tried to activate connection stickyness but no success.

– Sandro Benevides
May 20 at 19:12










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