:::::::::::::::::::::::::::::::::::::
:: Configuração do modulo do MySQL ::
:::::::::::::::::::::::::::::::::::::

Crie pasta:

jboss-as-7.1.1.Final/modules/com/mysql/main

Para esta pasta copie os arquivos modules.xml e o JAR do driver do MySQL (dentro da pasta
resources/module-mysql).

:::::::::::::::::::::::::::::::::::::
:: Configuração do driver do MySQL ::
:::::::::::::::::::::::::::::::::::::

Abra o arquivo jboss-as-7.1.1.Final/standalone/configuration/standalone.xml e
adicione dentro da tag <drivers>:

<!-- Demais drivers declarados aqui -->

<driver name="com.mysql" module="com.mysql">
	<xa-datasource-class>
		com.mysql.jdbc.jdbc2.optional.MysqlXADataSource
	</xa-datasource-class>
</driver>


::::::::::::::::::::::::::::::::
:: Configuração do DataSource ::
::::::::::::::::::::::::::::::::

Ainda no standalone.xml (jboss-as-7.1.1.Final/standalone/configuration/standalone.xml)
adicione dentro da tag <datasources>:

<datasource jndi-name="java:/livrariaDS" pool-name="livrariaDS"
	enabled="true" use-java-context="true">

	<connection-url>jdbc:mysql://localhost:3306/livraria</connection-url>
	<driver>com.mysql</driver>
	<pool>
		<min-pool-size>10</min-pool-size>
		<max-pool-size>100</max-pool-size>
		<prefill>true</prefill>
	</pool>
	<security>
		<user-name>root</user-name>
		<password></password>
	</security>
</datasource>