ICO0018E javax.resource.ResourceException:
ICO0018E:methodname error.
The value provided for PortNumber is null.

Explanation

The method indicated in methodname was invoked using a null PortNumber.

User response

Provide a valid PortNumber 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.