Specifying Whether an Attribute Is Required or Optional

Whether an attribute is required or optional determines how GlassFish Server responds if the parameter is omitted when the element is written to the domain configuration file:

• If the attribute is required, an error occurs.

• If the attribute is optional, the element is written successfully to the domain configuration file.

To specify whether an attribute is required or optional, set the required element of the @Attribute annotation as follows:

• If the attribute is required, set the required element to true.

• If the attribute is optional, set the required element to false. This value is the default.