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ValueError: invalid message type: 18 between Server 5.0.1 and Client 6.0.0 #552

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d1rksm33ts opened this issue Mar 15, 2024 · 2 comments

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@d1rksm33ts
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Describe the issue briefly here, including:

Environment

Server running on python3.6 using rpyc 5.0.1
Client running on python3.11 using rpyc 6.0.0

Client gets an invalid message type: 18

File "/usr/lib/python3.11/site-packages/rpyc/core/protocol.py", line 432, in _dispatch
raise ValueError(f"invalid message type: {msg!r}")
ValueError: invalid message type: 18

rpyc.version
'6.0.0'

When I install rpyc 5.3.1 on the client side, it works fine.

Is it to be expected that 5.x <-> 6.x is throwing this Error?

@meesokim
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meesokim commented May 8, 2024

I've got the same problem. Currently I reverted to 5.3.1 instead of 6.0.0 to avoid the error.

@inaky-intc
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Same issue here, 6.x client needed because of Python 3.12 and 5.x server in production area.

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3 participants