Ao criar um novo data souce, aparece a seguinte mensagem.
"An error was encountered while saving the model files. Check your server logs for details"
e o log aparece isso:
17/05/2011 10:05:26 org.apache.catalina.core.ApplicationContext log
GRAVE: Exception while dispatching incoming RPC call
com.google.gwt.user.client.rpc.SerializationException: Type 'mondrian.olap.MondrianException' was not included in the set of types which can be serialized by this SerializationPolicy or its Class object could not be loaded. For security purposes, this type will not be serialized.: instance = mondrian.olap.MondrianException: Mondrian Error:Internal error: MondrianCatalogHelper.ERROR_0002 - Failed to parse data sources config file:C:/opt/biserver-ce/pentaho-solutions/system/olap/datasources.xml
já criei data souces antes, mas agora aparece essa mensagem.