Yes I've tested several times.
Looks like 
extensions.xwiki.org is down. Cannot ping it neither from work nor from home.
Also I was able to successfully install the Polls Application before (end of Dec 2011).
-----Original Message-----
From: users-bounces(a)xwiki.org [mailto:users-bounces@xwiki.org] On Behalf Of Thomas
Mortagne
Sent: Tuesday, January 03, 2012 13:20 PM
To: XWiki Users
Subject: Re: [xwiki-users] How can I identify the reason of not being able to search
through extension repository with Extension Manager?
On Tue, Jan 3, 2012 at 12:08 PM, coldserenity <rmuntyan(a)softserveinc.com> wrote:
  Hello,
 How can I identify the reason of not being able to search through
 extension repository with Extension Manager?
 The symptoms are: no extensions returned on the extension search page,
 and following error is displayed in the logs
 2012-01-03 12:50:15,672
 [
http://192.168.0.3/xwiki/bin/admin/XWiki/XWikiPreferences?editor=glob
 aladmin§ion=XWiki.AddExtensions]
 ERROR aultExtensionRepositoryManager - Failed to search on repository
 [org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepositor
 y@17d76c] with pattern=[polls], offset=[0] and nb=[20]. Ignore and got
 to next repository. 
Indeed, not very helpful, just seen that I forgot to pass the real exception to the error
log... Fixing that.
Now on the why it's not working:
* do the machine on which XWiki is running has access to internet and more specifically to
extensions.xwiki.org ?
* did you tested several times ? Maybe 
xwiki.org was down or was restarting when you
tested
 XWiki 3.3
 Regards,
  Roman
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