add screenshot for url failure cache configuration

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1426868 13f79535-47bb-0310-9956-ffa450edef68

archiva-docs/src/site/apt/adminguide/configuration.apt

@@ -1,8 +1,8 @@
  ------
- Runtime Configuration of Apache Archiva
+ Configuration of Apache Archiva
  ------
  ------
- 2011-09-16
+ 2011-12-30
  ------
 
 ~~ Licensed to the Apache Software Foundation (ASF) under one                      
@@ -22,7 +22,7 @@
 ~~ specific language governing permissions and limitations                         
 ~~ under the License.                                                              
 
-Runtime Configuration of Apache Archiva
+Configuration of Apache Archiva
 
   Archiva is primarily configured via the graphical administration interface.
 
@@ -48,6 +48,8 @@ Runtime Configuration of Apache Archiva
 
     * {{{./ui-configuration.html} UI configuration}}
 
+    * {{{./url-cache-failure-configuration.html} Url Cache Failure configuration}}
+
     * {{{./redback-runtime-configuration.html} Redback Runtime configuration}}
 
     []

archiva-docs/src/site/apt/adminguide/url-cache-failure-configuration.apt

@@ -0,0 +1,30 @@
+ ------
+ Url Failure Cache Configuration
+ ------
+ Olivier Lamy
+ ------
+ 2012-12-30
+ ------
+
+~~ Licensed to the Apache Software Foundation (ASF) under one
+~~ or more contributor license agreements.  See the NOTICE file
+~~ distributed with this work for additional information
+~~ regarding copyright ownership.  The ASF licenses this file
+~~ to you under the Apache License, Version 2.0 (the
+~~ "License"); you may not use this file except in compliance
+~~ with the License.  You may obtain a copy of the License at
+~~
+~~   http://www.apache.org/licenses/LICENSE-2.0
+~~
+~~ Unless required by applicable law or agreed to in writing,
+~~ software distributed under the License is distributed on an
+~~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+~~ KIND, either express or implied.  See the License for the
+~~ specific language governing permissions and limitations
+~~ under the License.
+
+Url Failure Cache Configuration
+
+  Archiva cache failure when trying to hit url of remote repositories. Those cache values are configurable
+
+[../images/url-failure-cache-configuration.png] Url Failure Cache Configuration