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JavaScript Express Basics (2015) The Request and Response Objects in Express Requests and the request object

josefina terrera
josefina terrera
16,506 Points

I'm getting an error when I open port 5858

I'm getting this error when I open port 5858 on the node-inspector tab. I don't get the error until I try to open the link on my browser.

Node Inspector v0.12.8
Visit to start debugging.
      cb(error, NM[0].ref);

TypeError: Cannot read property 'ref' of undefined
    at InjectorClient.<anonymous> (/usr/local/lib/node_modules/node-inspector/lib/InjectorClient.js:111:22)
    at /usr/local/lib/node_modules/node-inspector/lib/DebuggerClient.js:121:7
    at Object.value (/usr/local/lib/node_modules/node-inspector/lib/callback.js:23:20)
    at Debugger._processResponse (/usr/local/lib/node_modules/node-inspector/lib/debugger.js:95:21)
    at Protocol.execute (_debugger.js:121:14)
    at emitOne (events.js:96:13)
    at Socket.emit (events.js:188:7)
    at readableAddChunk (_stream_readable.js:176:18)
    at Socket.Readable.push (_strea

1 Answer

Chris Shaw
Chris Shaw
26,676 Points

Hi josefina terrera,

This issue is commonly being caused by NodeJS 6, downgrading to NodeJS 4/5 should fix the issue. Simply un-install Node and then re-install it.


Hope that helps.