You should still see the unhandled deferred in your logs if that's truly the case.
On Thursday, June 28, 2012, Dan Stromberg wrote: > > Hi. > > I'm a Twisted neophyte, but I've been using Python a long time. > > My question: > Is there a way of producing a deferred graph in a Python program at a > given point in time? Perhaps something based on graphviz and objgraph.py? > We're able to detect when we're having the problem, we just don't (yet) > know its cause. > > > Background: > I'm looking at some code with a bit over 200 > addCallback/addErrback/addCallbacks in it. > > It's got a problem where sometimes the deferreds seem to just stop > executing. I see in the doc it says that this can happen if you've > neglected to add an errback to the end of one or more of your deferred > chains. > > One of the people who's been here longer than me, indicated that he's gone > through the code looking for such issues, and didn't find any. This > suggests to me that either there's some other cause, or that it really is a > deferred without a final errback, but it's hidden in a dark corner of the > code somewhere. > > > Thanks! > > -- cheers lvh
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