JM-1407: When trying to login to the admin console while Clearspace is down...

JM-1407: When trying to login to the admin console while Clearspace is down (on a fresh startup of OF) do not throw an exception, but rather, report a login failed error.

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@10631 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/openfire/clearspace/ClearspaceAdminProvider.java

@@ -62,7 +62,12 @@ public class ClearspaceAdminProvider implements AdminProvider {
                 }
             }
             return admins;
-        } catch (Exception e) {
+        }
+        catch (ConnectException e) {
+            Log.error(e);
+            return new ArrayList();
+        }
+        catch (Exception e) {
             // It is not supported exception, wrap it into an UnsupportedOperationException
             throw new UnsupportedOperationException("Unexpected error", e);
         }