Better error handling in new filters, added autowire respect property to default list

WW-2193


git-svn-id: https://svn.apache.org/repos/asf/struts/struts2/trunk@670308 13f79535-47bb-0310-9956-ffa450edef68

core/src/main/java/org/apache/struts2/dispatcher/filter/StrutsPrepareAndExecuteFilter.java

@@ -49,7 +49,9 @@ public class StrutsPrepareAndExecuteFilter implements StrutsStatics, Filter {
             cleanup = new CleanupOperations(dispatcher);
             execute = new ExecuteOperations(filterConfig.getServletContext(), dispatcher);
         } finally {
-            cleanup.cleanupInit();
+            if (cleanup != null) {
+                cleanup.cleanupInit();
+            }
         }
 
     }

core/src/main/java/org/apache/struts2/dispatcher/filter/StrutsPrepareFilter.java

@@ -44,7 +44,9 @@ public class StrutsPrepareFilter implements StrutsStatics, Filter {
             prepare = new PrepareOperations(filterConfig.getServletContext(), dispatcher);
             cleanup = new CleanupOperations(dispatcher);
         } finally {
-            cleanup.cleanupInit();
+            if (cleanup != null) {
+                cleanup.cleanupInit();
+            }
         }
 
     }

core/src/main/resources/org/apache/struts2/default.properties

@@ -48,6 +48,10 @@ struts.objectFactory.spring.autoWire = name
 ### valid values are: true, false (true is the default)
 struts.objectFactory.spring.useClassCache = true
 
+### ensures the autowire strategy is always respected.
+### valid values are: true, false (false is the default)
+struts.objectFactory.spring.autoWire.alwaysRespect = false
+
 ### if specified, the default object type determiner can be overridden here
 ### Note: short-hand notation is supported in some cases, such as "tiger" or "notiger"
 ###       Alternatively, you can provide a com.opensymphony.xwork2.util.ObjectTypeDeterminer implementation name here