How to fix PersistenceException when integrating hibernate with WAS Community Edition v2.1.x.x

Symptom

ERROR [GBeanInstanceState] Error while starting; GBean is now in the FAILED state: abstractName="default/*****/1.0/war?J2EEApplication=null,PersistenceUnitModule=WEB-INF/lib/***.jar,WebModule=default/****/1.0/war,j2eeType=PersistenceUnit,name=****"
javax.persistence.PersistenceException: [PersistenceUnit: *.*.*] Unable to build EntityManagerFactory
at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:677)
at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:132)
at org.apache.geronimo.persistence.PersistenceUnitGBean.<init>(PersistenceUnitGBean.java:127)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at org.apache.geronimo.gbean.runtime.GBeanInstance.createInstance(GBeanInstance.java:948)
at org.apache.geronimo.gbean.runtime.GBeanInstanceState.attemptFullStart(GBeanInstanceState.java:268)
at org.apache.geronimo.gbean.runtime.GBeanInstanceState.start(GBeanInstanceState.java:102)
at org.apache.geronimo.gbean.runtime.GBeanInstanceState.startRecursive(GBeanInstanceState.java:124)
at org.apache.geronimo.gbean.runtime.GBeanInstance.startRecursive(GBeanInstance.java:555)
at org.apache.geronimo.kernel.basic.BasicKernel.startRecursiveGBean(BasicKernel.java:379)
at org.apache.geronimo.kernel.config.ConfigurationUtil.startConfigurationGBeans(ConfigurationUtil.java:456)
at org.apache.geronimo.kernel.config.KernelConfigurationManager.start(KernelConfigurationManager.java:188)
at org.apache.geronimo.kernel.config.SimpleConfigurationManager.startConfiguration(SimpleConfigurationManager.java:563)
at org.apache.geronimo.kernel.config.SimpleConfigurationManager.startConfiguration(SimpleConfigurationManager.java:544)
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 org.apache.geronimo.gbean.runtime.ReflectionMethodInvoker.invoke(ReflectionMethodInvoker.java:34)
at org.apache.geronimo.gbean.runtime.GBeanOperation.invoke(GBeanOperation.java:124)
at org.apache.geronimo.gbean.runtime.GBeanInstance.invoke(GBeanInstance.java:832)
at org.apache.geronimo.gbean.runtime.RawInvoker.invoke(RawInvoker.java:57)
at org.apache.geronimo.kernel.basic.RawOperationInvoker.invoke(RawOperationInvoker.java:35)
at org.apache.geronimo.kernel.basic.ProxyMethodInterceptor.intercept(ProxyMethodInterceptor.java:96)
at org.apache.geronimo.gbean.GBeanLifecycle$$EnhancerByCGLIB$$c9582473.startConfiguration(<generated>)
at org.apache.geronimo.deployment.plugin.local.StartCommand.run(StartCommand.java:67)
at java.lang.Thread.run(Thread.java:662)
Caused by: org.hibernate.HibernateException: The chosen transaction strategy requires access to the JTA TransactionManager
at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:361)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1327)
at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:867)
at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:669)
... 29 more