svn commit: r800470 - /wicket/trunk/wicket/src/main/java/org/apache/wicket/protocol/http/servlet/WicketSessionFilter.java

[ivaynberg]

Author: ivaynberg
Date: Mon Aug  3 17:29:30 2009
New Revision: 800470

URL: http://svn.apache.org/viewvc?rev=800470&view=rev
Log:
WICKET-2413 better exception handling for WicketSessionFilter
Issue: WICKET-2413

Modified:
    
wicket/trunk/wicket/src/main/java/org/apache/wicket/protocol/http/servlet/WicketSessionFilter.java

Modified: 
wicket/trunk/wicket/src/main/java/org/apache/wicket/protocol/http/servlet/WicketSessionFilter.java
URL: 
http://svn.apache.org/viewvc/wicket/trunk/wicket/src/main/java/org/apache/wicket/protocol/http/servlet/WicketSessionFilter.java?rev=800470&r1=800469&r2=800470&view=diff
==============================================================================
--- 
wicket/trunk/wicket/src/main/java/org/apache/wicket/protocol/http/servlet/WicketSessionFilter.java
 (original)
+++ 
wicket/trunk/wicket/src/main/java/org/apache/wicket/protocol/http/servlet/WicketSessionFilter.java
 Mon Aug  3 17:29:30 2009
@@ -151,6 +151,14 @@
                        if (sessionKey == null)
                        {
                                WebApplication application = 
(WebApplication)Application.get(filterName);
+                               if (application == null)
+                               {
+                                       throw new IllegalStateException(
+                                               "Could not find wicket 
application mapped to filter: " +
+                                                       filterName +
+                                                       ". Make sure you set 
filterName attribute to the name of the wicket filter " +
+                                                       "for the wicket 
application whose session you want to access.");
+                               }
                                sessionKey = 
application.getSessionAttributePrefix(null, filterName) +
                                        Session.SESSION_ATTRIBUTE_NAME;