=== modified file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/schema/Property.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/schema/Property.java	2014-10-01 11:50:02 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/schema/Property.java	2014-10-12 08:32:32 +0000
@@ -35,8 +35,6 @@
 import org.hisp.dhis.common.DxfNamespaces;
 import org.hisp.dhis.common.IdentifiableObject;
 import org.hisp.dhis.common.NameableObject;
-import org.hisp.dhis.node.annotation.NodeRoot;
-import org.hisp.dhis.node.annotation.NodeSimple;
 import org.springframework.core.Ordered;
 
 import java.lang.reflect.Method;
@@ -45,19 +43,16 @@
  * @author Morten Olav Hansen <mortenoh@gmail.com>
  */
 @JacksonXmlRootElement( localName = "property", namespace = DxfNamespaces.DXF_2_0 )
-@NodeRoot( isWritable = false, isPersisted = false )
 public class Property implements Ordered
 {
     /**
      * Class for property.
      */
-    @NodeSimple
     private Class<?> klass;
 
     /**
      * If this property is a collection, this is the class of the items inside the collection.
      */
-    @NodeSimple
     private Class<?> itemKlass;
 
     /**
@@ -74,32 +69,27 @@
      * Name for this property, if this class is a collection, it is the name of the items -inside- the collection
      * and not the collection wrapper itself.
      */
-    @NodeSimple
     private String name;
 
     /**
      * Name for actual field, used to persistence operations and getting setter/getter.
      */
-    @NodeSimple
     private String fieldName;
 
     /**
      * Is this property persisted somewhere. This property will be used to create criteria queries
      * on demand (default: false)
      */
-    @NodeSimple
     private boolean persisted;
 
     /**
      * Name of collection wrapper.
      */
-    @NodeSimple
     private String collectionName;
 
     /**
      * If this Property is a collection, should it be wrapped with collectionName?
      */
-    @NodeSimple
     private boolean collectionWrapping;
 
     /**
@@ -107,19 +97,16 @@
      *
      * @see org.hisp.dhis.common.annotation.Description
      */
-    @NodeSimple
     private String description;
 
     /**
      * Namespace used for this property.
      */
-    @NodeSimple
     private String namespace;
 
     /**
      * Usually only used for XML. Is this property considered an attribute.
      */
-    @NodeSimple
     private boolean attribute;
 
     /**
@@ -128,7 +115,6 @@
      * of the collection, e.g. List<String> would set simple to be true, but List<DataElement> would set it
      * to false.
      */
-    @NodeSimple
     private boolean simple;
 
     /**
@@ -136,14 +122,12 @@
      *
      * @see java.util.Collection
      */
-    @NodeSimple
     private boolean collection;
 
     /**
      * If this property is a complex object or a collection, is this property considered
      * the owner of that relationship (important for imports etc).
      */
-    @NodeSimple
     private boolean owner;
 
     /**
@@ -151,7 +135,6 @@
      *
      * @see org.hisp.dhis.common.IdentifiableObject
      */
-    @NodeSimple
     private boolean identifiableObject;
 
     /**
@@ -159,13 +142,16 @@
      *
      * @see org.hisp.dhis.common.NameableObject
      */
-    @NodeSimple
     private boolean nameableObject;
 
-    @NodeSimple
+    /**
+     * Can this property be read.
+     */
     private boolean readable;
 
-    @NodeSimple
+    /**
+     * Can this property be written to.
+     */
     private boolean writable;
 
     public Property()

=== modified file 'dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/webapi/controller/SchemaController.java'
--- dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/webapi/controller/SchemaController.java	2014-08-13 13:25:19 +0000
+++ dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/webapi/controller/SchemaController.java	2014-10-12 08:32:32 +0000
@@ -33,17 +33,19 @@
 import org.hisp.dhis.schema.SchemaService;
 import org.hisp.dhis.schema.Schemas;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.client.HttpClientErrorException;
 
 /**
  * @author Morten Olav Hansen <mortenoh@gmail.com>
  */
 @Controller
-@RequestMapping( value = "/schemas", method = RequestMethod.GET )
+@RequestMapping(value = "/schemas", method = RequestMethod.GET)
 public class SchemaController
 {
     @Autowired
@@ -55,10 +57,17 @@
         return new Schemas( schemaService.getSortedSchemas() );
     }
 
-    @RequestMapping( value = "/{type}" )
+    @RequestMapping(value = "/{type}")
     public @ResponseBody Schema getSchema( @PathVariable String type )
     {
-        return schemaService.getSchemaBySingularName( type );
+        Schema schema = schemaService.getSchemaBySingularName( type );
+
+        if ( schema != null )
+        {
+            return schema;
+        }
+
+        throw new HttpClientErrorException( HttpStatus.NOT_FOUND, "Type " + type + " does not exist." );
     }
 
     @RequestMapping( value = "/{type}/{property}" )
@@ -71,6 +80,6 @@
             return schema.getPropertyMap().get( property );
         }
 
-        return null;
+        throw new HttpClientErrorException( HttpStatus.NOT_FOUND, "Property " + property + " does not exist on type " + type + "." );
     }
 }