On Sun, Mar 18, 2018 at 11:21 AM, Jean-Paul Calderone < exarkun@twistedmatrix.com> wrote:
On Sun, Mar 18, 2018 at 11:04 AM, Alex Railean <ralienpp@gmail.com> wrote:
Hello,
I have inherited a misbehaving system and am trying to troubleshoot it. The code is not documented and I cannot produce a minimal working example that illustrates the problem yet, as I don't know which parts are involved and how they relate.
This produces the following entries in the log:
Unhandled error in Deferred: CRITICAL _legacy twcore Unhandled error in Deferred:
Traceback (most recent call last): Failure: __builtin__.type: <class 'twisted.internet.error.TimeoutError'> CRITICAL _legacy twcore
How can I get more clues about what is going on? I was expecting a line number, or a complete call-stack.
Try this: from twisted.internet.defer import setDebugging setDebugging(True) This gives you creation and callback stacks in the logs. Jean-Paul
What are the recommended troubleshooting steps for finding the Deferred in which the error occurred? There are are around 30 of them throughout the code, is there a heuristic I can use to narrow down the list of suspects?
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