estou com problemas ao usar o seam,iniciei um novo projeto usando jboss tools tenho um dao que extende de dao generico, e no meu controller uso este dao com a anotacao @in do seamvejam meu codigo:
public abstract class DaoGeneric<T, ID extends Serializable> implements IDaoGeneric<T, ID> {
@In(create=true,value="entityManager")
private EntityManager entityManager ;
private Class<T> classe;
public void salvar(T objeto) {
try {
objeto =entityManager.merge(objeto);
} catch (StaleStateException e) {
e.printStackTrace();
}
catch(ConstraintViolationException e){
e.printStackTrace();
}
catch (HibernateException e) {
e.printStackTrace();
}
}
...
DaoCargo
@Name("daoCargo")
public class DaoCargo extends DaoGeneric<Cargo, Long> implements IdaoCargo {
public DaoCargo(){
super();
}
controle
package br.com.lgweb.controller.genericController;
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
import br.com.lgweb.controller.interfaces.CargoBean;
import br.com.lgweb.dao.genericDao.IDaoGeneric;
import br.com.lgweb.geral.entity.Cargo;
import br.com.lgweb.interfaces.dao.IdaoCargo;
import br.com.lgweb.jpaDao.DaoCargo;
import java.io.Serializable;
import java.util.List;
import javax.ejb.Remove;
import javax.ejb.Stateful;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import org.jboss.seam.ScopeType;
import org.jboss.seam.annotations.Begin;
import org.jboss.seam.annotations.Destroy;
import org.jboss.seam.annotations.End;
import org.jboss.seam.annotations.Factory;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Out;
import org.jboss.seam.annotations.Scope;
import org.jboss.seam.annotations.datamodel.DataModel;
import org.jboss.seam.annotations.datamodel.DataModelSelection;
import org.jboss.seam.faces.FacesMessages;
/**
*
* @author godoy
*/
@Name("controlCargo")
@Scope(ScopeType.SESSION)
public class ControlCargoBean implements CargoBean, Serializable {
@In(create = true)
private transient FacesMessages facesMessages;
@In
private Cargo cargo;
@DataModel
@Out(required = false)
private List<Cargo> cargos;
@In(create=true,value="daoCargo")
private DaoCargo daoCargo ;
@DataModelSelection
@Out(required=false,scope=ScopeType.SESSION)
private Cargo selectedCargo;
public String excluir() {
daoCargo.excluir(cargo);
return "sucessDelete";
}
@Factory("cargos")
public void listarTodos() {
cargos = daoCargo.listarTodos();
}
public String editar() {
cargo = daoCargo.findObjeto(cargo.getId());
if (cargo != null) {
return "editCargo";
} else {
facesMessages.addFromResourceBundle("entityNotFound");
}
return null;
}
public String salvar() {
daoCargo.salvar(cargo);
return "cargoPersist";
}
@Destroy
@Remove
public void destroy() {
}
public Cargo getCargo() {
return cargo;
}
public void setCargo(Cargo cargo) {
this.cargo = cargo;
}
}
porem estou tendo o seguinte erro:
22:05:00,640 ERROR [application] org.jboss.seam.RequiredException: @In attribute requires non-null value: daoCargo.entityManager
javax.faces.el.EvaluationException: org.jboss.seam.RequiredException: @In attribute requires non-null value: daoCargo.entityManager
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:102)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
at javax.faces.component.UICommand.broadcast(UICommand.java:387)
at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:321)
at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:296)
at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:253)
at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:466)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:82)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368)
at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495)
at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:173)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Unknown Source)
Caused by: org.jboss.seam.RequiredException: @In attribute requires non-null value: daoCargo.entityManager
O que causa este tipo de erro?
qualquer ajuda e bem vinda.
Obrigado.