Index: src/main/org/exolab/castor/persist/FieldMolder.java
===================================================================
RCS file: /scm/castor/castor/src/main/org/exolab/castor/persist/FieldMolder.java,v
retrieving revision 1.13
diff -u -r1.13 FieldMolder.java
--- src/main/org/exolab/castor/persist/FieldMolder.java	30 May 2005 12:55:10 -0000	1.13
+++ src/main/org/exolab/castor/persist/FieldMolder.java	6 Jun 2005 07:52:35 -0000
@@ -790,6 +790,15 @@
                 throw new MappingException( "_field or _setMethod can't be created" );
             }
 
+            if (_defaultReflectService._addMethod != null && _colClass != null) {
+                String methodName = METHOD_SET_PREFIX + capitalize(fieldMap.getName());
+                _defaultReflectService._setMethod = findAccessor( javaClass, methodName, _colClass, false );
+            }
+            
+            if (_defaultReflectService._addMethod != null && _defaultReflectService._setMethod == null && _colClass != null) {
+                throw new MappingException ("When specifying an add* method for field '" + fieldMap.getName() + "' of type '" + fieldType + "' for class '" + javaClass + "', you are required to declare a setter as well.");
+            }
+
             ds.pairFieldClass( this, _fType );
         } catch ( NullPointerException e ) {
             _log.fatal("Caught unexpected NullPointerException: ", e);
Index: src/tests/jdo/TestColAdd.java
===================================================================
RCS file: /scm/castor/castor/src/tests/jdo/TestColAdd.java,v
retrieving revision 1.1
diff -u -r1.1 TestColAdd.java
--- src/tests/jdo/TestColAdd.java	30 May 2005 12:53:33 -0000	1.1
+++ src/tests/jdo/TestColAdd.java	6 Jun 2005 07:52:42 -0000
@@ -52,6 +52,10 @@
         return _item;
     }
 
+    public void setItem(ArrayList items) {
+        _item = items;
+    }
+
     public void addItem( TestItem item ) {
         if ( _item == null )
             _item = new ArrayList();