Erro ao subir WildFly | Java EE parte 1: crie sua loja online com CDI, JSF, JPA

Estou com o seguinte erro ao subir o WildFly, já alterei as propriedades que estão diferentes do meu ambiente.

18:57:39,426 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-4) MSC000001: Failed to start service jboss.deployment.unit."casadocodigo.war".WeldStartService: org.jboss.msc.service.StartException in service jboss.deployment.unit."casadocodigo.war".WeldStartService: Failed to start service
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1904)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalArgumentException: WFLYWELD0037: Error injecting persistence unit into CDI managed bean. Can't find a persistence unit named '' in deployment casadocodigo.war for injection point private javax.persistence.EntityManager br.com.casadocodigo.dao.LivroDAO.mananger
    at org.jboss.as.weld.services.bootstrap.WeldJpaInjectionServices.getScopedPUName(WeldJpaInjectionServices.java:114)
    at org.jboss.as.weld.services.bootstrap.WeldJpaInjectionServices.registerPersistenceContextInjectionPoint(WeldJpaInjectionServices.java:77)
    at org.jboss.weld.injection.ResourceInjectionFactory$PersistenceContextResourceInjectionProcessor.getResourceReferenceFactory(ResourceInjectionFactory.java:351)
    at org.jboss.weld.injection.ResourceInjectionFactory$PersistenceContextResourceInjectionProcessor.getResourceReferenceFactory(ResourceInjectionFactory.java:339)
    at org.jboss.weld.injection.ResourceInjectionFactory$ResourceInjectionProcessor.createFieldResourceInjection(ResourceInjectionFactory.java:217)
    at org.jboss.weld.injection.ResourceInjectionFactory$ResourceInjectionProcessor.createResourceInjections(ResourceInjectionFactory.java:189)
    at org.jboss.weld.injection.ResourceInjectionFactory.discoverType(ResourceInjectionFactory.java:449)
    at org.jboss.weld.injection.ResourceInjectionFactory.getResourceInjections(ResourceInjectionFactory.java:97)
    at org.jboss.weld.injection.producer.ResourceInjector.<init>(ResourceInjector.java:59)
    at org.jboss.weld.injection.producer.ResourceInjector.of(ResourceInjector.java:49)
    at org.jboss.weld.injection.producer.BeanInjectionTarget.<init>(BeanInjectionTarget.java:63)
    at org.jboss.weld.injection.producer.BeanInjectionTarget.createDefault(BeanInjectionTarget.java:47)
    at org.jboss.weld.manager.InjectionTargetFactoryImpl.chooseInjectionTarget(InjectionTargetFactoryImpl.java:113)
    at org.jboss.weld.manager.InjectionTargetFactoryImpl.createInjectionTarget(InjectionTargetFactoryImpl.java:86)
    at org.jboss.weld.bean.ManagedBean.<init>(ManagedBean.java:100)
    at org.jboss.weld.bean.ManagedBean.of(ManagedBean.java:80)
    at org.jboss.weld.bootstrap.AbstractBeanDeployer.createManagedBean(AbstractBeanDeployer.java:261)
    at org.jboss.weld.bootstrap.BeanDeployer.createClassBean(BeanDeployer.java:229)
    at org.jboss.weld.bootstrap.ConcurrentBeanDeployer$2.doWork(ConcurrentBeanDeployer.java:78)
    at org.jboss.weld.bootstrap.ConcurrentBeanDeployer$2.doWork(ConcurrentBeanDeployer.java:75)
    at org.jboss.weld.executor.IterativeWorkerTaskFactory$1.call(IterativeWorkerTaskFactory.java:63)
    at org.jboss.weld.executor.IterativeWorkerTaskFactory$1.call(IterativeWorkerTaskFactory.java:56)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
    at org.jboss.threads.JBossThread.run(JBossThread.java:320)

18:57:39,430 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) WFLYCTL0013: Operation ("deploy") failed - address: ([("deployment" => "casadocodigo.war")]) - failure description: {
    "WFLYCTL0080: Failed services" => {"jboss.deployment.unit.\"casadocodigo.war\".WeldStartService" => "org.jboss.msc.service.StartException in service jboss.deployment.unit.\"casadocodigo.war\".WeldStartService: Failed to start service
    Caused by: java.lang.IllegalArgumentException: WFLYWELD0037: Error injecting persistence unit into CDI managed bean. Can't find a persistence unit named '' in deployment casadocodigo.war for injection point private javax.persistence.EntityManager br.com.casadocodigo.dao.LivroDAO.mananger"},
    "WFLYCTL0412: Required services that are not installed:" => ["jboss.deployment.unit.\"casadocodigo.war\".WeldStartService"],
    "WFLYCTL0180: Services with missing/unavailable dependencies" => undefined
}

Oi Matheus,

Confirma por favor se o seu arquivo persistance.xml está em "src/main/resources/META-INF/" com o conteúdo abaixo:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        version="2.1"
    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
    http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
    <persistence-unit name="casadocodigo-dev" transaction-type="JTA">
        <description>Dev persistence unit</description>
        <provider>org.hibernate.ejb.HibernatePersistence</provider>
        <!-- java transaction api || JNDI -->
        <jta-data-source>java:jboss/datasources/casadocodigoDS</jta-data-source>
        <properties>
            <property name="hibernate.hbm2ddl.auto" value="update"/>
            <property name="hibernate.show_sql" value="true" />
            <property name="hibernate.format_sql" value="true" />
            <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect"/>
        </properties>
    </persistence-unit>
</persistence>

Posta seu LivroDAO, por favor.