Exempo de datasource usando servidor jboss

example_datasource.xml

<!--todos os campos que devem ser modificados estarão entre {{texto}}, sendo necessário remover o {{}} e adicionar as suas variáveis -->

<datasource jta="false" jndi-name="java:jboss/datasources/{{seu_datasource}}" pool-name="{{seu_pool_name}}" enabled="true">
	<connection-url>jdbc:postgresql://localhost/{{seu_banco_de_dados}}</connection-url>
	<driver>postgresql-jdbc4</driver>
	<security>
		<user-name>{{seu_usuário_do_banco}}</user-name>
		<password>{{sua_senha_do_usuario_do_banco}}</password>
	</security>
	<validation>
		<valid-connection-checker class-name="org.jboss.jca.adapters.jdbc.extensions.postgres.PostgreSQLValidConnectionChecker"/>
		<validate-on-match>true</validate-on-match>
		<exception-sorter class-name="org.jboss.jca.adapters.jdbc.extensions.postgres.PostgreSQLExceptionSorter"/>
	</validation>
</datasource>
<drivers>
	<driver name="h2" module="com.h2database.h2">
		<xa-datasource-class>org.h2.jdbcx.JdbcDataSource</xa-datasource-class>
	</driver>
	<driver name="postgresql-jdbc4" module="org.postgresql">
		<xa-datasource-class>org.postgresql.xa.PGXADataSource</xa-datasource-class>
	</driver>
</drivers>