ValueError: generator already executing
felixlu opened this issue · comments
I am using objectpath in my dramatiq workers, with both multiple processes and threads enabled.
Recently I found many "ValueError: generator already executing" in the error log.
However I cannot reproduce the problem with the exactly same data and code manually.
I googled the exception, and it turns out that's probably a thread-safe related problem.
ObjectPath is not thread safe. It uses bunch of global etc. Due to
performance issues I didn't wrap the code into a class, but you can easily
do it if you like.
Adrian
On Mon, 21 Jan 2019 at 03:55 Felix Lu ***@***.***> wrote:
I am using objectpath in my dramatiq <https://dramatiq.io/> workers, with
both multiple processes and threads enabled.
Recently I found many "ValueError: generator already executing" in the
error log.
However I cannot reproduce the problem with the exactly same data and code
manually.
I googled the exception, and it turns out that's probably a thread-safe
related problem.
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Greetings,
Adrian Kalbarczyk
http://kalbarczyk.co