Heroku部署错误与node.js

应用程序在node.js中编程，并使用socket.io实时请求。

该应用程序工作正常，但今天我得到这个无限的错误：

2015-10-08T08:31:37.477080+00:00 app[web.1]: Prevented node from exit... 2015-10-08T08:31:37.477495+00:00 app[web.1]: TypeError: Cannot read property 'length' of undefined 2015-10-08T08:31:37.477496+00:00 app[web.1]: at onwriteDrain (_stream_writable.js:354:12) 2015-10-08T08:31:37.477497+00:00 app[web.1]: at afterWrite (_stream_writable.js:344:5) 2015-10-08T08:31:37.477498+00:00 app[web.1]: at wrapped (/app/node_modules/newrelic/lib/transaction/tracer/index.js:157:28) 2015-10-08T08:31:37.477498+00:00 app[web.1]: at doNTCallback0 (node.js:408:9) 2015-10-08T08:31:37.477499+00:00 app[web.1]: at Immediate._tickCallback [as _onImmediate] (node.js:337:13) 2015-10-08T08:31:37.477500+00:00 app[web.1]: at processImmediate [as _immediateCallback] (timers.js:374:17) 2015-10-08T08:31:37.477873+00:00 app[web.1]: TypeError: Cannot read property 'length' of undefined 2015-10-08T08:31:37.477503+00:00 app[web.1]: Prevented node from exit... 2015-10-08T08:31:37.477875+00:00 app[web.1]: at onwriteDrain (_stream_writable.js:354:12) 2015-10-08T08:31:37.477875+00:00 app[web.1]: at afterWrite (_stream_writable.js:344:5) 2015-10-08T08:31:37.477876+00:00 app[web.1]: at wrapped (/app/node_modules/newrelic/lib/transaction/tracer/index.js:157:28) 2015-10-08T08:31:37.477877+00:00 app[web.1]: at Immediate._tickCallback [as _onImmediate] (node.js:337:13) 2015-10-08T08:31:37.477877+00:00 app[web.1]: at doNTCallback0 (node.js:408:9) 2015-10-08T08:31:37.477878+00:00 app[web.1]: at processImmediate [as _immediateCallback] (timers.js:374:17) 2015-10-08T08:31:37.477900+00:00 app[web.1]: Prevented node from exit... 

任何人都可以帮忙！

我会感激的，谢谢。

Answer 1

问题是来自npm的“request”包，它与node.js的最后一个版本不兼容。

所以我明确在package.js中添加版本

 "engines": { "node": "0.10.x" }, 

现在一切正常。 谢谢