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nodejs connect mysql db fail exception throw
[2016-11-01 04:35:34] Demo get Sensor Value!
/var/FLH-Web/nodejs/server.js:394
throw err;
^
Error: connect ETIMEDOUT
at Connection._handleConnectTimeout (/var/FLH-Web/nodejs/node_modules/mysql/lib/Connection.js:373:13)
at Socket.g (events.js:180:16)
at Socket.emit (events.js:92:17)
at Socket._onTimeout (net.js:326:8)
at Timer.unrefTimeout [as ontimeout] (timers.js:418:13)
--------------------
at Protocol._enqueue (/var/FLH-Web/nodejs/node_modules/mysql/lib/protocol/Protocol.js:135:48)
at Protocol.handshake (/var/FLH-Web/nodejs/node_modules/mysql/lib/protocol/Protocol.js:52:41)
at Connection.connect (/var/FLH-Web/nodejs/node_modules/mysql/lib/Connection.js:123:18)
at port (/var/FLH-Web/nodejs/server.js:387:13)
at Layer.handle [as handle_request] (/var/FLH-Web/nodejs/node_modules/express/lib/router/layer.js:95:5)
at next (/var/FLH-Web/nodejs/node_modules/express/lib/router/route.js:131:13)
at Route.dispatch (/var/FLH-Web/nodejs/node_modules/express/lib/router/route.js:112:3)
at Layer.handle [as handle_request] (/var/FLH-Web/nodejs/node_modules/express/lib/router/layer.js:95:5)
at /var/FLH-Web/nodejs/node_modules/express/lib/router/index.js:277:22
at param (/var/FLH-Web/nodejs/node_modules/express/lib/router/index.js:349:14)
browser open web page fail (stay on loading)
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