Hi Jean-Paul, I found the error after working on a short, self contained, correcte example. It is not about twisted and normal thread in general, but something else. After more tests, I come to realise that whenever I instantiate this class PolicyClient from this library https://github.com/ray-project/ray/blob/master/rllib/env/policy_client.py in my protocol or just anywhere, twisted app either freezes or terminates, and this *only* happens when the app runs as a daemon, created using a service (.tac file). I hope you can take a look at the class PolicyClient, why it causes problem to reactor main loop. Please point me to where the idea might come from. I can give you the example but not sure if it is enough, as the client needs to connect to a server. Thank you, TS On Thu, May 21, 2020 at 5:23 PM Jean-Paul Calderone < exarkun@twistedmatrix.com> wrote:
On Thu, May 21, 2020 at 10:58 AM Sereysethy TOUCH < touch.sereysethy@gmail.com> wrote:
Hello,
I am developing a twisted app, and it runs as a service using twistd -y to start the app. I am having a problem of running a thread. I know it is not recommended to use thread, but the library that I use, the object created is running in a thread.
Here is the problem:
1) if I start reactor by running reactor.run() directly, thread is running fine 2) if I run it as a service using twisted, the thread is not running, it runs but it seems to be blocked, because I tried to write something to file using time.sleep(), but file is empty.
Is there something that I miss? How can I debug this?
A good next step would be to create at Short, Self Contained, Correct (Compilable), Example <http://sscce.org/> and share it.
Jean-Paul
Thank you,
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