[seam-commits] Seam SVN: r7334 - trunk/src/main/org/jboss/seam.

[seam-commits at lists.jboss.org]

Author: norman.richards at jboss.com
Date: 2008-02-01 19:31:20 -0500 (Fri, 01 Feb 2008)
New Revision: 7334

Modified:
   trunk/src/main/org/jboss/seam/Component.java
Log:
improve error message

Modified: trunk/src/main/org/jboss/seam/Component.java
===================================================================
--- trunk/src/main/org/jboss/seam/Component.java	2008-02-01 19:54:19 UTC (rev 7333)
+++ trunk/src/main/org/jboss/seam/Component.java	2008-02-02 00:31:20 UTC (rev 7334)
@@ -1882,7 +1882,9 @@
             if ( !component.isInstance(result) )
             {
                if ( component.hasUnwrapMethod() ) return result; ///best way???
-               throw new IllegalArgumentException( "value of context variable is not an instance of the component bound to the context variable: " + name );
+               throw new IllegalArgumentException( "value of context variable is not an instance of the component bound to the context variable: " + name  +
+                        ". If you are using hot deploy, you may have attempted to hot deploy a session or " +
+                        "application-scoped component definition while using an old instance in the session.");
             }
             result = component.unwrap(result);
          }