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.