[postgis-tickets] [PostGIS] #2382: Can't upgrade postgis ERROR: attempt to redefine parameter "postgis.backend"

[PostGIS]

#2382: Can't upgrade postgis ERROR: attempt to redefine parameter
"postgis.backend"
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  Reporter:  robe                   |       Owner:  pramsey      
      Type:  defect                 |      Status:  reopened     
  Priority:  blocker                |   Milestone:  PostGIS 2.2.0
 Component:  build/upgrade/install  |     Version:  trunk        
Resolution:                         |    Keywords:               
------------------------------------+---------------------------------------

Comment(by strk):

 PostgreSQL 9.3.4+, just tried again now and confirm the same problem
 (attempt to redefine parameter "postgis.backend").

 Remember you have to install postgis in order to get the extension-based
 upgrade to use the latest upgrade script.

 I'm using r12618

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2382#comment:31>
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