私は jboss を初めて使用し、データベースの連絡先を一覧表示しようとするとこのエラーが発生します。次のソフトウェアを使用しています:
jboss-4.2.3.GA
jboss-seam-2.2.2.Final
PostgreSQL 8.4
Eclipse Helios + JBoss Tools
スタック トレースは次のとおりです (最初のエラーのみ):
Caused by: javax.naming.NameNotFoundException: seam1EntityManagerFactory not bound
at org.jnp.server.NamingServer.getBinding(NamingServer.java:529)
at org.jnp.server.NamingServer.getBinding(NamingServer.java:537)
at org.jnp.server.NamingServer.getObject(NamingServer.java:543)
at org.jnp.server.NamingServer.lookup(NamingServer.java:296)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:667)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:627)
at javax.naming.InitialContext.lookup(InitialContext.java:392)
at org.jboss.seam.persistence.ManagedPersistenceContext.getEntityManagerFactoryFromJndiOrValueBinding(ManagedPersistenceContext.java:257)
... 117 more
contato_list.xhtml:
<!DOCTYPE composition PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<ui:composition xmlns="http://www.w3.org/1999/xhtml"
xmlns:s="http://jboss.com/products/seam/taglib"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:rich="http://richfaces.org/rich" template="layout/template.xhtml">
<ui:define name="body">
<h:messages globalOnly="true" styleClass="message" id="globalMessages" />
<rich:panel>
<f:facet name="header">Contatos</f:facet>
<div class="results" id="contatoList">
<rich:dataTable id="contatoList" var="_contato" value="#{contatos}">
<h:column>
<f:facet name="header">Id</f:facet>
#{_contato.id}
</h:column>
<h:column>
<f:facet name="header">Nome</f:facet>
#{_contato.nome}
</h:column>
<h:column>
<f:facet name="header">Email</f:facet>
#{_contato.email}
</h:column>
<h:column>
<f:facet name="header">Ação</f:facet>
<s:link id="editar" action="#{contatoAction.editarContato}"
value="Editar" />
<s:link id="remover" action="#{contatoAction.removerContato}"
value="Remover" />
</h:column>
</rich:dataTable>
</div>
</rich:panel>
<s:div styleClass="actionButtons">
<s:button id="novo" action="#{contatoAction.novoContato}" value="Novo contato"/>
</s:div>
</ui:define>
</ui:composition>
ContatoAction.java:
package org.domain.seam1.session;
import java.io.Serializable;
import java.util.List;
import javax.persistence.EntityManager;
import org.domain.seam1.entity.Contato;
import org.jboss.seam.ScopeType;
import org.jboss.seam.annotations.Begin;
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;
@Name("contatoAction")
@Scope(ScopeType.CONVERSATION)
public class ContatoAction implements Serializable{
private static final long serialVersionUID = 4121233854017478226L;
@In
private EntityManager entityManager;
@SuppressWarnings("unused")
@DataModel
private List<Contato> contatos;
@DataModelSelection
@Out(required=false)
private Contato contato;
@Factory("contatos")
@SuppressWarnings("unchecked")
public void listarContatos() {
//seleciona todos os contatos
contatos = entityManager.createQuery("select c from Contato c").getResultList();
}
@Begin
public String novoContato() {
contato = new Contato();
return "novoContato";
}
@Begin
public String editarContato() {
//atualiza os dadis do contato para fazer a edição
entityManager.refresh(contato);
return "editarContato";
}
public String removerContato() {
//remove o contato
entityManager.remove(contato);
return "contatoRemovido";
}
@End
public String salvarContato() {
//se não tem id é porque deve ser inserido, caso contrário alterado
if (contato.getId() == null) {
entityManager.persist(contato);
} else {
entityManager.merge(contato);
}
return "contatoSalvo";
}
}
Contato.java:
package org.domain.seam1.entity;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
@Entity
public class Contato implements Serializable {
private static final long serialVersionUID = 4121233854017478226L;
@Id @GeneratedValue
private Long id;
@Column(length=50, nullable=false)
private String nome;
@Column(length=50, nullable=false)
private String email;
public Long getId() {
return id;
}
public String getNome() {
return nome;
}
public void setNome(String nome) {
this.nome = nome;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((email == null) ? 0 : email.hashCode());
result = prime * result + ((nome == null) ? 0 : nome.hashCode());
return result;
}
/* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (!(obj instanceof Contato))
return false;
Contato other = (Contato) obj;
if (email == null) {
if (other.email != null)
return false;
} else if (!email.equals(other.email))
return false;
if (nome == null) {
if (other.nome != null)
return false;
} else if (!nome.equals(other.nome))
return false;
return true;
}
}