How to fork a child process that listens on a different debug port than the parent

Question

I am trying to use child_process.fork to spawn a process that breaks and listens on the V8 debug protocol.

However, I can\'t get the forked process to

Answer 1

Before to fork remove old debug-brk parameter :

process.execArgv = process.execArgv.filter(function(o){ 
    var x = "--debug-brk"; 
    return o.substring(0, x.length) !== x
});

and add a new one:

process.execArgv.push("--debug-brk=9999");