Index: solr/core/src/java/org/apache/solr/schema/FieldTypePluginLoader.java
===================================================================
--- solr/core/src/java/org/apache/solr/schema/FieldTypePluginLoader.java	(revision 1382219)
+++ solr/core/src/java/org/apache/solr/schema/FieldTypePluginLoader.java	(working copy)
@@ -123,7 +123,7 @@
   protected void init(FieldType plugin, Node node) throws Exception {
 
     Map<String,String> params = DOMUtil.toMapExcept( node.getAttributes(), 
-                                                     "name","class" );
+                                                     "name","class","xml:base" );
     plugin.setArgs(schema, params );
   }