330419 - reloading webapp duplicates StandardDescriptorProcessor

git-svn-id: svn+ssh://dev.eclipse.org/svnroot/rt/org.eclipse.jetty/jetty/trunk@2529 7e9141cc-0065-0410-87d8-b60c137991c4

VERSION.txt

@@ -4,6 +4,7 @@ jetty-7.2.2-SNAPSHOT
  + 330188 Reject web-fragment.xml with same <name> as another already loaded one
  + 330229 Jetty tries to parse META-INF/*.tld when jsp-api is not on classpath, causing DTD entity resoluton to fail
  + 330417 Atomic PUT in PutFilter
+ + 330419 Reloading webapp duplicates StandardDescriptorProcessor 
 
 jetty-7.2.1.v20101111 11 November 2010
  + 324679 Fixed dedection of write before static content

jetty-webapp/src/main/java/org/eclipse/jetty/webapp/MetaData.java

@@ -112,6 +112,29 @@ public class MetaData
     {
     }
     
+    /**
+     * Empty ready for reuse
+     */
+    public void clear ()
+    {
+        _webDefaultsRoot = null;
+        _origins.clear();
+        _webXmlRoot = null;
+        _webOverrideRoots.clear();
+        _metaDataComplete = false;
+        _annotations.clear();
+        _descriptorProcessors.clear();
+        _webFragmentRoots.clear();
+        _webFragmentNameMap.clear();
+        _webFragmentResourceMap.clear();
+        _webFragmentAnnotations.clear();
+        _webInfJars.clear();
+        _orderedWebInfJars.clear();
+        _orderedContainerJars.clear();
+        _ordering = null;
+        allowDuplicateFragmentNames = false;
+    }
+    
     public void setDefaults (Resource webDefaults)
     throws Exception
     {

jetty-webapp/src/main/java/org/eclipse/jetty/webapp/WebAppContext.java

@@ -541,6 +541,8 @@ public class WebAppContext extends ServletContextHandler implements WebAppClassL
                 _configurations[i].deconfigure(this);
             
             _configurations=null;
+            if (_metadata != null)
+                _metadata.clear();
             
         }
         finally