[Pidgin] #16664: Pidgin Portable 2.10.11 (XMPP) fails to authenticate on some machines

[Pidgin]

#16664: Pidgin Portable 2.10.11 (XMPP) fails to authenticate on some machines
---------------------------------+---------------------
 Reporter:  servuser             |       Owner:  deryni
     Type:  defect               |      Status:  new
Milestone:                       |   Component:  XMPP
  Version:  2.10.11              |  Resolution:
 Keywords:  authentication SASL  |
---------------------------------+---------------------
Description changed by servuser:

Old description:

> I have Pidgin Portable from
> http://portableapps.com/apps/internet/pidgin_portable
>
> On some machines it works well but on some machines it fails to auth.
> Debug log for this is:
>
> (19:40:56) proxy: Connected to mydomain.com:5222.
> (19:40:56) jabber: Sending (myname at domain/mydomain.com): <?xml
> version='1.0' ?>
> (19:40:56) jabber: Sending (myname at domain/mydomain.com): <stream:stream
> to='domain' xmlns='jabber:client'
> xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>
> (19:40:57) jabber: Recv (442): <?xml version='1.0'?><stream:stream
> xmlns:stream='http://etherx.jabber.org/streams' version='1.0'
> from='domain' id='62fbdedd-eb2f-41ad-aca7-578b77cf1904' xml:lang='en'
> xmlns='jabber:client'><stream:features><register
> xmlns='http://jabber.org/features/iq-register'/><mechanisms
> xmlns='urn:ietf:params:xml:ns:xmpp-
> sasl'><mechanism>PLAIN</mechanism><mechanism>SCRAM-
> SHA-1</mechanism><mechanism>DIGEST-
> MD5</mechanism></mechanisms></stream:features>
> (19:40:57) sasl: Mechs found: PLAIN SCRAM-SHA-1 DIGEST-MD5
> (19:40:57) sasl: No worthy mechs found
> (19:40:57) connection: Connection error on 045A00C0 (reason: 3
> description: Server does not use any supported authentication method)
> (19:40:57) account: Disconnecting account myname at domain/mydomain.com
> (020DCBF0)
>
> Why does Pidgin think "No worthy mechs found" if they seem to be provided
> correctly?

New description:

 I have Pidgin Portable from
 http://portableapps.com/apps/internet/pidgin_portable

 On some machines it works well but on some machines it fails to auth.
 Debug log for this is attached.


 Why does Pidgin think "No worthy mechs found" if they seem to be provided
 correctly?

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Ticket URL: <https://developer.pidgin.im/ticket/16664#comment:1>
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