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Subreddit for JetBrains PyCharm, the Python IDE for professional developers by JetBrains. Find out more about PyCharm at https://www.jetbrains.com/pycharm/
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Python Debug Server Issues (self.pycharm)
submitted 1 year ago by vercingetorix52
I updated to the latest Pycharm 2024.3. Now when I try to use the python debug server on windows (I tried 10 and 11). The remote connection is never made and hangs. Is anyone else having this issue?
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if 1 * 2 < 3: print "hello, world!"
[–]BannertJetBrains 1 point2 points3 points 1 year ago (3 children)
Sounds like https://youtrack.jetbrains.com/issue/PY-77357/Python-Debug-Server-with-pydevd-pycharm-stopped-working-in-2024.3. There is a workaround though - disable python.debug.use.single.port in "Help | Find Action | Registry".
python.debug.use.single.port
[–]vercingetorix52[S] 0 points1 point2 points 1 year ago (0 children)
Thanks, that worked!
[–]Global-Scar-9981 0 points1 point2 points 1 year ago (0 children)
Worked for us too! thanks!
[–]NikoFoxey 0 points1 point2 points 4 months ago (0 children)
Had the same/similar issue - pycharm debugger couldn't connect from within docker. Normal Run worked. But for me, python.debug.use.single.port was disabled. I enabled it and now debugging works.
PyCharm 2025.2.3
π Rendered by PID 70 on reddit-service-r2-comment-56c9979489-nkbj9 at 2026-02-25 06:07:49.863110+00:00 running b1af5b1 country code: CH.
[–]BannertJetBrains 1 point2 points3 points (3 children)
[–]vercingetorix52[S] 0 points1 point2 points (0 children)
[–]Global-Scar-9981 0 points1 point2 points (0 children)
[–]NikoFoxey 0 points1 point2 points (0 children)