<datasource jta="false" jndi-name="java:/PostgresDS" pool-name="PostgresDS" enabled="true" use-ccm="false">
                    <connection-url>jdbc:postgresql://localhost:5432/postgresdb</connection-url>
                    <driver-class>org.postgresql.Driver</driver-class>
                    <driver>postgresql-9.4.1208.jre6.jar</driver>
                    <security>
                        <user-name>root</user-name>
                        <password>haslo</password>
                    </security>
                    <validation>
                        <valid-connection-checker class-name="org.jboss.jca.adapters.jdbc.extensions.postgres.PostgreSQLValidConnectionChecker"/>
                        <background-validation>true</background-validation>
                        <exception-sorter class-name="org.jboss.jca.adapters.jdbc.extensions.postgres.PostgreSQLExceptionSorter"/>
                    </validation>
                </datasource>