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DB calls not being Fiberized #212

sauoc opened this Issue Jul 5, 2012 · 1 comment


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sauoc commented Jul 5, 2012

When i'm runing MongoDB interactions on the server side JavaScript, I am periodically getting an error from Meteor.

        throw e;
Error: Meteor code must always run within a Fiber
    at [object Object].get (app/packages/meteor/dynamics_nodejs.js:14:15)
    at [object Object]._maybeBeginWrite (app/packages/mongo-livedata/mongo_driver.js:70:41)
    at [object Object].update (app/packages/mongo-livedata/mongo_driver.js:193:20)
    at [object Object].update (app/packages/mongo-livedata/collection.js:221:32)
    at Array.0 (app/server/publish.js:4:15)
    at [object Object]._teardown (app/packages/livedata/livedata_server.js:584:31)
    at [object Object].stop (app/packages/livedata/livedata_server.js:464:10)
    at app/packages/livedata/livedata_server.js:365:11
    at Function.<anonymous> (app/packages/underscore/underscore.js:84:24)
    at [object Object]._stopAllSubscriptions (app/packages/livedata/livedata_server.js:364:7)
Exited with code: 1

It looks like server side DB calls are not always getting correctly Fiberized for nodejs to process. It doesn't happen all the time and appears random. Often if we leave meteor running overnight it will have error-ed out when we come back in the morning. Sometimes meteor can recover, sometimes it needs to be reset.


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sauoc commented Jul 5, 2012

I have fixed this error on our end by wrapping all our database calls in a Fiber(function(){ ... }).run(); but this is a hack around for the problem, it should be addressed in Meteor, IMO.

@avital avital closed this in 005413b Aug 20, 2012

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