*Hi,* * * *I try to implement this tutorial : * http://dev.xwiki.org/xwiki/bin/view/Drafts/DynamicCustomMapping* * *But when i try to execute this query * {{groovy}} xc = xcontext.getContext(); for(String name : xc.getWiki().search("SELECT e.familyName from Employee e",xc )); println(name); } {{/groovy}} *i get this exception :* Caused by: com.xpn.xwiki.XWikiException: Error number 3223 in 3: Exception while searching documents with sql SELECT familyName from Employee Wrapped Exception: Employee is not mapped [SELECT familyName from Employee] at com.xpn.xwiki.store.XWikiHibernateStore.search(XWikiHibernateStore.java:2142) at com.xpn.xwiki.store.XWikiHibernateStore.search(XWikiHibernateStore.java:2072) at com.xpn.xwiki.store.XWikiHibernateStore.search(XWikiHibernateStore.java:2061) at com.xpn.xwiki.store.XWikiCacheStore.search(XWikiCacheStore.java:581) at com.xpn.xwiki.XWiki.search(XWiki.java:1569) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:389) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:378) at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:270) ... 100 more *Any ideas ?* -- Farouk Korteby