[Pidgin] #8136: Jabber crashes

[Pidgin]

#8136: Jabber crashes
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 Reporter:  ranma42  |        Owner:  deryni
     Type:  defect   |       Status:  new   
Milestone:           |    Component:  XMPP  
  Version:  2.5.4    |   Resolution:        
 Keywords:           |  
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Comment(by darkrain42):

 Replying to [comment:12 QuLogic]:
 > OK, libxml2 is kind of weird and has lots of global settings that aren't
 saved in the context. I'm guessing (not sure yet) that the Perl module
 sets `xmlGetWarningsDefaultValue=0` and so `__xmlRaiseError` just returns
 without saving the warning, thus causing `xmlCtxtGetLastError` to return
 NULL.

 If libxml2 is using global settings, then (based on Ari's posts in #8835),
 my wild guess would be that an external dependency of Pidgin (gstreamer)
 is setting that variable, causing our issues.

 /me goes to run a diff + grep on gstreamer-plugins-bad

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Ticket URL: <http://developer.pidgin.im/ticket/8136#comment:13>
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