Model Hints is a property in the portal.properties file, which is the default configuration file for Sun GlassFish Web Space Server. You can override this property using portal-ext.properties file.
Input a list of comma-delimited model hints configurations.
model.hints.configs=\ META-INF/portal-model-hints.xml,\ META-INF/workflow-model-hints.xml,\ META-INF/ext-model-hints.xml,\ META-INF/portlet-model-hints.xml |