The data-source add command argument "jndi-name" is not mandatory. The CLI allows exection of data-source add command without specifying jndi name. Enabling such data-source fails.

[standalone@localhost:9999 /] data-source add --name=TestDS2 --driver-name=h2 --connection-url=jdbc:h2:mem:test;DB_CLOSE_DELAY=-1
[standalone@localhost:9999 /] data-source enable --name=TestDS2
JBAS010436: Failed to create DataSource instance for [{
"operation" => "enable",
"address" => [
("subsystem" => "datasources"),
("data-source" => "TestDS2")
],
"persistent" => undefined
}]
reason: IJ010068: Missing required attribute jndi-name in org.jboss.as.connector.subsystems.datasources.ModifiableDataSource