<subsystem xmlns="urn:jboss:domain:datasources:5.0">
            <datasources>
                <xa-datasource jndi-name="java:jboss/datasources/pg_postgresql" pool-name="pg_postgresql-PG" enabled="true" use-java-context="true" statistics-enabled="${wildfly.datasources.statistics-enabled:${wildfly.statistics-enabled:false}}">
                    <driver>postgresql</driver>
                    <security>
                        <user-name>pguser</user-name>
                        <password>pgpass</password>
                    </security>
                    <validation>
                        <valid-connection-checker class-name="org.jboss.jca.adapters.jdbc.extensions.postgres.PostgreSQLValidConnectionChecker"/>
                        <validate-on-match>true</validate-on-match>
                        <background-validation>false</background-validation>
                        <exception-sorter class-name="org.jboss.jca.adapters.jdbc.extensions.postgres.PostgreSQLExceptionSorter"/>
                    </validation>
                </xa-datasource>
                <xa-datasource jndi-name="java:jboss/datasources/mysql_mysql" pool-name="mysql_mysql-MYSQL" enabled="true" use-java-context="true" statistics-enabled="${wildfly.datasources.statistics-enabled:${wildfly.statistics-enabled:false}}">
                    <xa-datasource-property name="DatabaseName">
                        kitchensink
                    </xa-datasource-property>
                    <xa-datasource-property name="Port">
                        3306
                    </xa-datasource-property>
                    <xa-datasource-property name="ServerName">
                        10.1.1.1
                    </xa-datasource-property>
                    <driver>mysql</driver>
                    <security>
                        <user-name>mysqluser</user-name>
                        <password>mysqlpass</password>
                    </security>
                    <validation>
                        <valid-connection-checker class-name="org.jboss.jca.adapters.jdbc.extensions.mysql.MySQLValidConnectionChecker"/>
                        <validate-on-match>true</validate-on-match>
                        <background-validation>false</background-validation>
                        <exception-sorter class-name="org.jboss.jca.adapters.jdbc.extensions.mysql.MySQLExceptionSorter"/>
                    </validation>
                </xa-datasource>
                <drivers>
                    <driver name="postgresql" module="org.postgresql.jdbc">
                        <xa-datasource-class>org.postgresql.xa.PGXADataSource</xa-datasource-class>
                    </driver>
                </drivers>
            </datasources>
        </subsystem>