Tudo Sobre Eletronica: [java-br] Problema JPA + Hibernate

Bom dia Pessoal.

Estou desenvolvendo uma applicação web, estou rodando a internet e não acho
solução. Está acontecendo o seguinte erro:

*javax.persistence.PersistenceException: [PersistenceUnit: nucleoPU] Unable
to build EntityManagerFactory
at
org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:892)
at
org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:56)
at
javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:78)
at
javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:54)
at
criar.ezaz.codigos.db.nucleo.controles.NucleoController.<init>(NucleoController.java:17)
at
criar.ezaz.codigos.db.nucleo.controles.UsuariosTblJpaController.<init>(UsuariosTblJpaController.java:23)
at criar.ezaz.codigos.operacoes.pa.OpLogin.processar(OpLogin.java:30)
at criar.ezaz.codigos.ws.pa.WsLogin.login(WsLogin.java:36)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:149)
at
com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:67)
at
com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:259)
at
com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:83)
at
com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:133)
at
com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:71)
at
com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:990)
at
com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:941)
at
com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:932)
at
com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:384)
at
com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:451)
at
com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:632)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at
org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1523)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:97)
at
com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:85)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:185)
at
org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:325)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:226)
at
com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:165)
at
com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:791)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:693)
at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:954)
at
com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:170)
at
com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:135)
at
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102)
at
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88)
at
com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76)
at
com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:53)
at
com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57)
at com.sun.grizzly.ContextTask.run(ContextTask.java:69)
at
com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:330)
at
com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:309)
at java.lang.Thread.run(Thread.java:619)
Caused by: org.hibernate.HibernateException: The chosen transaction
strategy requires access to the JTA TransactionManager
at
org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:399)
at
org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1385)
at
org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:954)
at
org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:883)
*
Eu não faço a mínima ídeia do que está acontecendo. Segue meu
Persistence.xml

*<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="
http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
<persistence-unit name="nucleoPU" transaction-type="JTA">
<provider>org.hibernate.ejb.HibernatePersistence</provider>
<jta-data-source>jdbc/inno_nucleo</jta-data-source>
<properties>
<property name="transaction.factory_class"
value="org.hibernate.transaction.JDBCTransactionFactory"/>
<property name="hibernate.dialect"
value="org.hibernate.dialect.MySQLDialect"/>
<property name="hibernate.connection.driver_class"
value="com.mysql.jdbc.Driver"/>
<property name="hibernate.connection.url"
value="jdbc:mysql://servidor:3306/nucleo_db"/>
<property name="hibernate.connection.username" value="username"/>
<property name="hibernate.connection.password" value="senha"/>
</properties>
</persistence-unit>
</persistence>
*
Segue meu hibernate.cfg.xml
*
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate
Configuration DTD 3.0//EN" "
http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property
name="transaction.factory_class">org.hibernate.transaction.JDBCTransactionFactory</property>

<property
name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
<property
name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="hibernate.connection.url">jdbc:mysql://**
servidor:3306/nucleo_db**</property>
<property name="hibernate.connection.username">username</property>
<property name="hibernate.connection.password">senha</property>
</session-factory>
</hibernate-configuration>*

Desde já grato.

[As partes desta mensagem que não continham texto foram removidas]