You can override the properties (config-property elements) specified in the ra.xml file of a resource adapter:
In the Administration Console, open the Resources component and select Resource Adapter Configs. Create a new resource adapter configuration or select an existing one to edit. Then enter property names and values in the Additional Properties table. For details, click the Help button in the Administration Console.
Use the asadmin create-resource-adapter-config command to create a configuration for a resource adapter. Use this command’s --property option to specify a name-value pair for a resource adapter property. For details, see the Sun GlassFish Enterprise Server v3 Reference Manual.
You can specify configuration properties either before or after resource adapter deployment. If you specify properties after deploying the resource adapter, the existing resource adapter is restarted with the new properties.