handshaking | 易学教程

WebSocket connection failed with nginx, nodejs and socket.io

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问题 I try to setup nodejs with nginx. But when the client try to connect it fails with... WebSocket connection to 'ws://www.mydomain.com/socket.io/1/websocket/KUv5G...' failed: Error during WebSocket handshake: 'Connection' header value is not 'Upgrade': keep-alive socket.io.js:2371 So how to enable websocket comunication? my current nginx config upstream mynodejsapp { server 127.0.0.1:3000 max_fails=0 fail_timeout=10s weight=1; ip_hash; keepalive 512; } server { listen 80; listen [::]:80 default

HTML5 web sockets - how to communicate with them?

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问题 I've tested many socket examples and communication between them was pretty simple: socket is opened and stays open until you close it and no information is being sent except the one you have sent. With HTML5 web sockets these two moments are different. At first, as soon as the client HTML5 socket connects to server socket it sends a bunch of information: GET /echo HTTP/1.1 Upgrade: websocket Connection: Upgrade Host: localhost:2002 Origin: null Pragma: no-cache Cache-Control: no-cache Sec

Volley android “javax.net.ssl.SSLHandshakeException: Handshake failed”

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问题 Hi I'm rebuilding a API call using volley library this is my test code to send XML data and receive xml response (I just need to successfully receive response in string format) String url ="https://prdesb1.singpost.com/ma/FilterOverseasPostalInfo"; final String payload = "<OverseasPostalInfoDetailsRequest xmlns=\"http://singpost.com/paw/ns\"><Country>AFAFG</Country><Weight>100</Weight><DeliveryServiceName></DeliveryServiceName><ItemType></ItemType><PriceRange>999</PriceRange>

Cassandra handshake and internode communication

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问题 While trying to use the cassandra 2.0.1 version, i started facing the handshaking with version problem . There was an exception from OutboundTcpConnection.java stating that handshaking is not possible with a particular node. I had a look at the TCP dump and cleared off the doubts that there was no problem in the network layer. The application is not completing the handshaking process .Moreover , the port 7000 is still active. For example, all my 8 nodes are up . But when i try a nodetool

WebSocket connection failed with nginx, nodejs and socket.io

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I try to setup nodejs with nginx. But when the client try to connect it fails with... WebSocket connection to 'ws://www.mydomain.com/socket.io/1/websocket/KUv5G...' failed: Error during WebSocket handshake: 'Connection' header value is not 'Upgrade': keep-alive socket.io.js:2371 So how to enable websocket comunication? my current nginx config upstream mynodejsapp { server 127.0.0.1:3000 max_fails=0 fail_timeout=10s weight=1; ip_hash; keepalive 512; } server { listen 80; listen [::]:80 default_server ipv6only=on; index index.html; server_name mydomain.com www.mydomain.com; keepalive_timeout 10;