Erro ao efetuar uma busca no bd

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Estou fazendo um projeto com jsf e jpa utilizando o jboss e o postgre 8.3.
Coloquei o jar na pasta: C:\Java\AppServer\jboss-4.2.2.GA\server\default\lib\postgresql-8.3-603.jdbc2.jar
Coloquei o *ds.xml na pasta: C:\Java\AppServer\jboss-4.2.2.GA\server\default\deploy\jboss-ds.xml

Ao fazer a conexão configurando o persistence.xml funcionou normal, entretanto quando configurei o arquivo para utilizar o pool de conexões ocorre o seguinte problema:

SEVERE: Error Rendering View[/pages/inputname.xhtml]
javax.faces.FacesException: javax.el.ELException: /pages/inputname.xhtml @16,52 value="#{usuarioBean.main}": Error reading 'main' on type pacote.managedbean.Usuario
	at javax.faces.component.UIOutput.getValue(UIOutput.java:176)
	at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:189)
	at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:320)
	at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:200)
	at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:836)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:896)
	at javax.faces.render.Renderer.encodeChildren(Renderer.java:137)
	at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:812)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
	at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:578)
	at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
	at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:189)
	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
	at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:154)
	at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:260)
	at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:366)
	at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:493)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:654)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:445)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:379)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:292)
	at org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:694)
	at org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:665)
	at org.apache.jsp.index_jsp._jspService(index_jsp.java:59)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:373)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:336)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
	at java.lang.Thread.run(Unknown Source)
Caused by: javax.el.ELException: /pages/inputname.xhtml @16,52 value="#{usuarioBean.main}": Error reading 'main' on type pacote.managedbean.Usuario
	at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:76)
	at javax.faces.component.UIOutput.getValue(UIOutput.java:173)
	... 55 more
Caused by: javax.persistence.PersistenceException: org.hibernate.HibernateException: The chosen transaction strategy requires access to the JTA TransactionManager
	at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:720)
	at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:121)
	at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:51)
	at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:33)
	at pacote.dao.BaseDao.<init>(BaseDao.java:22)
	at pacote.managedbean.Usuario.getMain(Usuario.java:38)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at javax.el.BeanELResolver.getValue(BeanELResolver.java:62)
	at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
	at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64)
	at org.apache.el.parser.AstValue.getValue(AstValue.java:97)
	at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
	at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
	... 56 more
Caused by: org.hibernate.HibernateException: The chosen transaction strategy requires access to the JTA TransactionManager
	at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:329)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1294)
	at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:713)
	... 71 more

meu arquivo *ds.xml:

<?xml version="1.0" encoding="UTF-8" ?> 
	<datasources>
		<local-tx-datasource>
  			<jndi-name>ConnectionPostgre</jndi-name> 
  			<connection-url>jdbc:postgresql://ip:5432/dataBase</connection-url> 
  			<driver-class>org.postgresql.Driver</driver-class> 
  			<user-name>user</user-name> 
  			<password>pass</password> 
  			<min-pool-size>5</min-pool-size> 
  			<max-pool-size>20</max-pool-size> 
  			<idle-timeout-minutes>5</idle-timeout-minutes> 
			<metadata>
				<type-mapping>PostgreSQL 8.0</type-mapping>
			</metadata>			
  		</local-tx-datasource>
	</datasources>

Meu persistence.xml

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="1.0" 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_1_0.xsd">
  <persistence-unit name="unitPostGree" transaction-type="JTA">
    <provider>org.hibernate.ejb.HibernatePersistence</provider>
    <jta-data-source>java:/ConnectionPostgre</jta-data-source>                       
    <properties>	
      	<property name="hibernate.hbm2ddl.auto" value="update"/>
    </properties>
  </persistence-unit>
</persistence>

O método onde faço a chamada:

private static EntityManagerFactory emf;	
	private EntityManager em;

	@SuppressWarnings("unchecked")
	public BaseDao() {

		emf = Persistence.createEntityManagerFactory("unitPostGree");
		em = emf.createEntityManager();

	}

	public String getUser() {

		try {
			Usuario usuario = em.find(Usuario.class, new Long(1));

			return usuario.getUsuario();

		} catch (Exception e) {
			System.out.print("Calemino: " + e.getMessage());
		}
		return "Deu erro";
	}

Alguém tem idéia do que possa ser?

Criado 19 de setembro de 2008
Respostas 0
Participantes 1