ICO0012E javax.resource.ResourceException:
ICO0012E:methodname error.
The
value provided for HostName is null or an empty string.
Explanation
The method indicated in methodname was
invoked with a null or empty HostName parameter.
User response
Provide a valid value for the HostName parameter.
In a managed environment, the property value is specified when you
are configuring a Connection Factory to be used by WebSphere® Application
Server. In a non-managed
environment, the property value is specified in your Java™ application.