On Thu, Apr 5, 2012 at 19:07, Paul Selden <[email protected]> wrote:
>
> On Thursday, April 5, 2012 11:23:08 AM UTC-4, Ben Noordhuis wrote:
>>
>> On Thu, Apr 5, 2012 at 15:48, Paul Selden <[email protected]> wrote:
>> > I'm using: https://github.com/mikeal/request/blob/master/forever.js as
>> > an
>> > agent in a project that uses a service-oriented-architecture (currently
>> > over
>> > HTTP) in order to maximize the chance that the connections are kept
>> > alive
>> > (note, I'm not using the entire request module, just that agent).
>> >
>> > ...<snip>....
>> > options.agent = new ForeverAgent({ minSockets: 100, maxSockets: 100});
>> > var req = http.request(options, function (res) {
>> > ...<snip>...
>> > });
>> >
>> > req.setTimeout(timeout, function(){ req.abort(); });
>> >
>> > As more calls are made, it seems to "accumulate" the timeouts for the
>> > underlying socket as it is being re-used and I eventually get this
>> > error:
>> >
>> > [2012-04-05 09:21:07.144] [ERROR] console - (node) warning: possible
>> > EventEmitter memory leak detected. 11 listeners added. Use
>> > emitter.setMaxListeners() to increase limit.
>> > [2012-04-05 09:21:07.146] [ERROR] console - Trace:
>> >     at Socket.<anonymous> (events.js:139:15)
>> >     at Socket.once (events.js:160:8)
>> >     at Socket.setTimeout (net.js:143:12)
>> >     at ClientRequest.<anonymous> (http.js:1287:29)
>> >     at ClientRequest.g (events.js:156:14)
>> >     at ClientRequest.emit (events.js:88:20)
>> >     at Array.0 (http.js:1273:9)
>> >     at EventEmitter._tickCallback (node.js:192:40)
>> >
>> > Is this a bug with the forever agent, the http module, or something that
>> > I
>> > need to unbind myself after a request is finished?
>>
>> It's documented so it's not a bug. :-)
>>
>> When you add a callback, it gets registered as a listener for the
>> 'timeout' event with EventEmitter.prototype.once(). If you keep
>> registering listeners, you'll hit the max listeners limit.
>
>
> Then is this something I can unbind manually if the timeout isn't hit during
> a particular request?

Yes, that's correct.

-- 
Job Board: http://jobs.nodejs.org/
Posting guidelines: 
https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines
You received this message because you are subscribed to the Google
Groups "nodejs" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to
[email protected]
For more options, visit this group at
http://groups.google.com/group/nodejs?hl=en?hl=en

Reply via email to