You define the persistence unit information by using the <persistence-unit> tag of persistence.xml. This section describes the attributes of the <persistence-unit> tag and the tags specified under the <persistence-unit> tag.
Note that the space and linefeed characters added at the beginning and end of values specified in the attributes of the <persistence-unit> tag and in the tags specified under the <persistence-unit> tag are ignored.
For details on the tags in persistence.xml, see 6.2 persistence.xml in the uCosminexus Application Server Definition Reference Guide.