--- ECHO_content/ECHO_collection.py	2007/01/23 16:50:11	1.281
+++ ECHO_content/ECHO_collection.py	2007/01/23 18:53:01	1.282
@@ -1300,9 +1300,9 @@ class ECHO_resource(CatalogAware,Folder,
             """returns value for simple search"""
             
             try:
-                return " ".join([self.getMDValue('title',generic="yes"),
-                             self.getMDValue('author',generic="yes"),
-                             self.getMDValue('year',generic="yes"),self.getTitle()])
+                return " ".join([self.getMDValue('title',generic="yes",empty=" "),
+                             self.getMDValue('author',generic="yes",empty=" "),
+                             self.getMDValue('year',generic="yes",empty=" "),self.getTitle()])
             except:
                 
                 #zLOG.LOG(" ECHO_collection(getMDSimpleSearchField)",zLOG.INFO," ".join([self.getMDValue('title',generic="yes"),
@@ -1342,7 +1342,7 @@ class ECHO_resource(CatalogAware,Folder,
                     self._v_mapHash[ct][fieldNameTest]=fieldName
             if not fieldName:
                 fieldName=fieldNameTest  
-            if not empty:
+            if empty is None:
                            #FIXME: warum gibt es manchmal kein metadatahas
                 try:
                     
@@ -1352,10 +1352,13 @@ class ECHO_resource(CatalogAware,Folder,
                     return ""
                   
             else:
-
+                try:
                    
                    ret= self.metaDataHash.get(fieldNameTest,empty)
-           
+                except:
+                    zLOG.LOG("ECHO (line 1069)",zLOG.ERROR,"no md hash for %s"%self.getId()) 
+                    return ""
+                
             if type(ret) is StringType:
                return ret.decode('utf-8')
             else: