this is the error message that jboss return: org.apache.jasper.JasperException: java.lang.ClassCastException: org.hibernate.ejb.HibernatePersistence cannot be cast to javax.persistence.spi.PersistenceProvider | org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:515) | org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:411) | org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:322) | org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249) | javax.servlet.http.HttpServlet.service(HttpServlet.java:717) | com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:410) | com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:468) | com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:140) | org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108) | org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:196) | com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110) | com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100) | com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139) | javax.faces.webapp.FacesServlet.service(FacesServlet.java:266) | org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | | causa raÃz | | java.lang.ClassCastException: org.hibernate.ejb.HibernatePersistence cannot be cast to javax.persistence.spi.PersistenceProvider | javax.persistence.Persistence.findAllProviders(Persistence.java:186) | javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:103) | javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:83) | controller.usuariosC.<init>(usuariosC.java:29) | org.apache.jsp.principal_jsp._jspService(principal_jsp.java:112) | org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) | javax.servlet.http.HttpServlet.service(HttpServlet.java:717) | org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369) | org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:322) | org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249) | javax.servlet.http.HttpServlet.service(HttpServlet.java:717) | com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:410) | com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:468) | com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:140) | org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108) | org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:196) | com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110) | com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100) | com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139) | javax.faces.webapp.FacesServlet.service(FacesServlet.java:266) | org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | | nota La traza completa de la causa de este error se encuentra en los archivos de diario de JBoss Web/2.1.2.GA. | JBoss Web/2.1.2.GA
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