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问题描述
这是我的代码(它是coffeescript并使用颜色,但这是不相关的)
This is my code (It's coffeescript and uses colors but that's not relevant)
# If this module is executed if !module.parent # Start server try hons_server.listen config.port console.log 'Listening to port ' + config.port catch err console.error "Couldn't start server: #{String(err)}".redhons_server 是一个 express.js服务器。我很难理解为什么错误由于$ code> hons_server.listen()而不会被try / catch捕获。当我运行我的服务器两次时,我得到输出:
hons_server is an express.js server. I'm having a hard time understanding why errors thrown as a result of hons_server.listen() aren't caught by the try/catch. When I run my server twice I get the output:
$ coffee src/server.coffee Listening to port 9090 node.js:201 throw e; // process.nextTick error, or 'error' event on first tick ^ Error: listen EADDRINUSE at errnoException (net.js:632:11) at Array.0 (net.js:733:26) at EventEmitter._tickCallback (node.js:192:40)I 'd想知道为什么抛出的错误没有被捕获,以及如何/在哪里可以捕获EADDRINUSE错误。
I'd like to know why the thrown error isn't caught, and how/where I can catch the EADDRINUSE error.
推荐答案收听服务器上的错误事件isntance
Listen for the error event on the server isntance
hons_server.on 'error', (err) -> console.log 'there was an error:', err.message更多推荐
如何捕获node.js / express服务器错误,如EADDRINUSE?
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