[issue30434] multiprocessing AuthenticationError "digest sent was rejected"

[Xiang Zhang]

Change by Xiang Zhang :


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resolution:  -> out of date
stage: test needed -> resolved
status: open -> closed

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[issue30434] multiprocessing AuthenticationError "digest sent was rejected"

[Zackery Spytz]

Zackery Spytz  added the comment:

Python 2.7 is no longer supported, so I think this issue should be closed.

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nosy: +ZackerySpytz

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[issue30434] multiprocessing AuthenticationError "digest sent was rejected"

[Xiang Zhang]

Xiang Zhang  added the comment:

I can't reproduce the failure with 2.7.13 but I do encounter the same failure 
just now, much same as yours, 2.7.5 and 2.7.13.  I'd like to describe my 
situation.

I have one client process started by 2.7.13(I build it from source) and one 
server process started by the system Python 2.7.5.  I then get the same error 
as yours, failing at connect() and the authkey doesn't matter.

The reason I find is that the system Python is patched by the OS vendor, 
changing the default MD5 algorithm to SHA256.  So they can't communicate.  
Patching the source or syncing the version works for me.

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components: +Library (Lib)
nosy: +xiang.zhang
stage:  -> test needed

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[issue30434] multiprocessing AuthenticationError "digest sent was rejected"

[Alex Perry]

Alex Perry added the comment:

The docstring for the class points out that the `multiprocessing.Manager()` 
function creates started instances of the SyncManager class. You should 
probably follow that advice, it calls start() for you.

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nosy: +arp11

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[issue30434] multiprocessing AuthenticationError "digest sent was rejected"

[Soon Jeffrey]

New submission from Soon Jeffrey:

This is codes I run:

class TopicManager(SyncManager):
pass

Server side:
m = TopicManager(address=('', 5), authkey='12345')
s = m.get_server()
s.serve_forever()

client side:
m = TopicManager(address=('eng-g9-018', 5), authkey='12345')
m.connect()

When I use Python2.7.5, m.connect() can connect to server.
But when I use Python2.7.13, m.connect() throws out AuthenticationError "digest 
sent was rejected"

Searched and multiprocessing.current_process().authkey = "12345" doesn't   help.

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messages: 294178
nosy: Soon Jeffrey
priority: normal
severity: normal
status: open
title: multiprocessing AuthenticationError "digest sent was rejected"
type: behavior
versions: Python 2.7

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