I guess it means you made apt-get update/upgrade automatic which is
usually not a great idea. Could you confirm you are using XWiki Debian
packages ?
You should look at tomcat log to see if there is any error in it. What
version was it upgraded from ?
On Tue, May 24, 2016 at 5:51 PM, Mahomed Hussein
<Mahomed(a)custodiandc.com> wrote:
  Hi
 It seems our server automatically updated to xWiki 8.1 and now we are getting the error
below:
 ===============================================================
 HTTP Status 404 - /xwiki/bin/view/Main/
 type Status report
 message /xwiki/bin/view/Main/
 description The requested resource is not available.
 Apache Tomcat/7.0.52 (Ubuntu)
 ===============================================================
 I have already rebooted the server to no avail. I have confirmed that we are upgraded to
8.1
 I have tried to browse to
http://www.xwiki.org/xwiki/bin/view/ReleaseNotes/ReleaseNotesXWiki81RC1 to see if there
are any instructions there, but the page is not loading and I am getting an error 524 (I
assume you are using cloudflare).
 Help please as this is our live system. Thanks.
 Kind regards,
 Mahomed Hussein
 Custodian Data Centre
 Email: Mahomed(a)CustodianDC.com
 
http://www.CustodianDC.com
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Thomas Mortagne