运行我的程序时发生同步错误

我正在使用JSF2.0/primefaces，MySql，Glassfish3.1。运行我的程序时发生同步错误

我有三个表：人，文件，domaineCompetence

人（姓名，......，idDomaineCompetence）

文件（idFile，nameFile，......，idPerson）

domaineCompetence（idDomaineCompetence .....）

当一个人被添加到数据库中，同时连续将被添加到文件表。

但提交后发生错误。其实我有两个错误。我不知道为什么，但其中一人（不是同时出现）在我执行程序后出现。

中的index.xhtml：

<h:form> 

    <p:panel header="Add User" style="width: 500px; font-size: 14px"> 
     <h:panelGrid width="width: 300px;" columns="2"> 


      <h:outputLabel style="font-size: 13px" value="Nom" /> <h:inputText value="#{AddPerson.nom}" /> 
      <h:outputLabel value="Prenom"/> <h:inputText value="#{AddPerson.prenom}" /> 
      <h:outputLabel value="Etat Civil"/> 
      <h:selectOneMenu id="etatcivil" value="#{AddPerson.etatCivil}"> 
       <f:selectItem itemValue="Monsieur" itemLabel="M"/> 
       <f:selectItem itemValue="Madam" itemLabel="Mme"/> 
       <f:selectItem itemValue="Madmoiselle" itemLabel="Mlle"/> 
      </h:selectOneMenu> 

      <h:outputLabel value="Date de naissance "/> 
      <p:calendar value="#{AddPerson.dateNaissance}" id="popupButtonCal" showOn="button" /> 
      <h:outputLabel value="email"/><h:inputText value="#{AddPerson.email}" /> 
      <h:outputLabel value="numTelephone"/><h:inputText value="#{AddPerson.numTelephone}" /> 
      <h:outputLabel value="mobile"/><h:inputText value="#{AddPerson.mobile}" /> 
      <h:outputLabel value="fax"/><h:inputText value="#{AddPerson.fax}" /> 
      <h:outputLabel value="profession"/><h:inputText value="#{AddPerson.profession}" /> 
      <h:outputLabel value="adresse"/><h:inputText value="#{AddPerson.adresse}" /> 
      <h:outputLabel value="code Postal"/><h:inputText value="#{AddPerson.codePostal}" /> 
      <h:outputLabel value="Ville"/><h:inputText value="#{AddPerson.ville}" /> 
       <h:outputLabel value="Pays"/><h:inputText value="#{AddPerson.pays}" /> 


       <h:outputLabel value="Domaine de Competence"/> 
       <h:selectOneMenu value="#{AddPerson.domain}" id="domaine" > 
        <f:selectItem itemLabel="-- Select Domaine de Competence-- " itemValue="0"/> 
        <f:selectItems value="#{AddPerson.listDomaine}" /> 
       </h:selectOneMenu> 


       <h:outputLabel value="login"/><h:inputText value="#{AddPerson.login}" /> 
       <h:outputLabel value="password"/><h:inputText value="#{AddPerson.password}" /> 
       <p:fileUpload fileUploadListener="#{AddPerson.fileUpload}" update="messages" sizeLimit="500000" allowTypes="/(\.|\/)(gif|jpe?g|png)$/"/> 
       <h:commandButton action="#{AddPerson.addUserDB}" value="Add User" />  
     </h:panelGrid> 
    </p:panel> 
</h:form>

豆AddPerson.java：

public class AddPerson implements Serializable{ 





    EntityManagerFactory emf = Persistence.createEntityManagerFactory("testPU"); 
    EntityManager em = emf.createEntityManager(); 


    private String nom; 
    private String prenom; 
    private Date dateNaissance; 
    private String lieuNaissance; 
    private String etatCivil; 
    private String email; 
    private int numTelephone; 
    private int mobile; 
    private int fax; 
    private String profession; 
    private String login; 
    private String password; 
    private String adresse; 
    private int codePostal; 
    private String ville; 
    private String pays; 
    private FileUploadEvent event; 
    private File file; 
    private static List<SelectItem> listDomaine; 
    private String domain; 

    //getters and setters 



    public void fileUpload(FileUploadEvent event) throws IOException { 
    String path = FacesContext.getCurrentInstance().getExternalContext().getRealPath("/"); 
    SimpleDateFormat fmt = new SimpleDateFormat("yyyyMMddHHmmss"); 
    String name = fmt.format(new Date())+ event.getFile().getFileName().substring(event.getFile().getFileName().lastIndexOf('.')); 
    file = new File("C:/Users/Documents/NetBeansProjects/test/uploaded files/" + name); 

    InputStream is = event.getFile().getInputstream(); 
    OutputStream out = new FileOutputStream(file); 


     byte buf[] = new byte[1024]; 
     int len; 
     while ((len = is.read(buf)) > 0) 
     out.write(buf, 0, len); 

     is.close(); 
     out.close(); 

    } 



    public List<SelectItem> getListDomaine() { 
    FindDomaine fdom= new FindDomaine(); 

    if (listDomaine == null) { 
     listDomaine = new ArrayList<SelectItem>(); 
     for (String val : fdom.FindAllDomaine()) { 
      listDomaine.add(new SelectItem(val)); 
     } 
    } 
    return listDomaine; 
    } 




    public void addUserDB() { 
     try { 

     EntityTransaction entr = em.getTransaction(); 
     entr.begin(); 

     Personne user = new Personne(); 
     Fileuploaded fileup =new Fileuploaded(); 
     Domainecompetence dom=new Domainecompetence(); 
     user.setNom(nom); 
     user.setPrenom(prenom); 
     user.setCodepostal(codePostal); 
     user.setEmail(email); 
     user.setEtatCivil(etatCivil); 
     user.setFax(fax); 
     user.setLieuNaissance(lieuNaissance); 
     user.setDateNaissance(dateNaissance); 
     user.setMobile(mobile); 
     user.setAdresse(adresse); 
     user.setPays(pays); 
     user.setLogin(login); 
     user.setPassword(password); 
     user.setPassword(password); 
     fileup.setFileName(file.getName()); 
     fileup.setFilePath(file.getPath()); 
     fileup.setIdPersonne(user);//add the forign key to the table fileupload 
     user.setDomaine(dom); 

     System.out.println("+++++Test+++++"+this.nom); 
     System.out.println("++++++Test++++"+this.prenom); 
     System.out.println("++++++Test++++"+this.domain); 


     em.persist(user); 
     em.persist(fileup); 
     entr.commit(); 
    } catch (Exception e) { 
     System.out.println(e.getMessage()); 
     System.out.println("Failed"); 
    } finally { 
     em.close(); 
    } 

    } 

}

persistance.xml

<persistence version="2.0" 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_2_0.xsd"> 
<persistence-unit name="testPU" transaction-type="RESOURCE_LOCAL"> 
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider> 
<class>DTO.Domainecompetence</class> 
<class>DTO.Personne</class> 
<exclude-unlisted-classes>false</exclude-unlisted-classes> 
<validation-mode>NONE</validation-mode> 
<properties> 
    <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/test"/> 
    <property name="javax.persistence.jdbc.password" value="root"/> 
    <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/> 
    <property name="javax.persistence.jdbc.user" value="root"/> 
</properties> 
</persistence-unit> 
</persistence>

ERROR1：

Infos: Initialisation de Mojarra 2.1.3 (FCS b02) pour le contexte «/test» 
Infos: Instantiated an instance of org.hibernate.validator.engine.resolver.JPATraversableResolver. 
Infos: Monitoring jndi:/server/test/WEB-INF/faces-config.xml for modifications 
Infos: WEB0671: Loading application [test] at [/test] 
Infos: test a été déployé en 3 485 ms. 
Infos: file [email protected] 
Infos: file name :20120308103902.gif 
Infos: ++++++++++julie 
Infos: ++++++++++julie 
Infos: ++++++++++Securite informatique 
Infos: Object: DTO.Personne[ idPersonne=null ] is not a known entity type. 
Infos: Failed

错误2：

Infos: file [email protected] 
Infos: file name :20120308102712.gif 
Infos: Base de donnee 
Infos: ++++++++++julie 
Infos: ++++++++++julie 
Infos: ++++++++++Base de donnee 
Infos: [EL Warning]: 2012-03-08 10:27:15.604--UnitOfWork(5810583)--java.lang.IllegalStateException: During synchronization a new object was found through a relationship that was not marked cascade PERSIST: DTO.Domainecompetence[ domaine=null ]. 

Infos: java.lang.IllegalStateException: During synchronization a new object was found through a relationship that was not marked cascade PERSIST: DTO.Domainecompetence[ domaine=null ]. 
Infos: Failed 
Infos: PWC2785: Cannot serialize session attribute AddPerson for session 1a185521c447acaa561b45f616d7

personne.java

@Entity 
@Table(name = "personne", catalog = "test", schema = "", uniqueConstraints = { 
@UniqueConstraint(columnNames = {"idPersonne"})}) 
@XmlRootElement 
@NamedQueries({ 
@NamedQuery(name = "Personne.findAll", query = "SELECT p FROM Personne p"), 
@NamedQuery(name = "Personne.findByIdPersonne", query = "SELECT p FROM Personne p WHERE p.idPersonne = :idPersonne"), 
@NamedQuery(name = "Personne.findByNom", query = "SELECT p FROM Personne p WHERE p.nom = :nom"), 
@JoinColumn(name = "domaine", referencedColumnName = "domaine") 
@ManyToOne 
private Domainecompetence domaine;

更新：

domaineCompetence.java

@Entity 
@Table(name = "domainecompetence", catalog = "test", schema = "") 
@XmlRootElement 
@NamedQueries({ 
@NamedQuery(name = "Domainecompetence.findAll", query = "SELECT d FROM Domainecompetence d"), 
@NamedQuery(name = "Domainecompetence.findByDomaine", query = "SELECT d FROM Domainecompetence d WHERE d.domaine = :domaine")}) 
public class Domainecompetence implements Serializable { 
private static final long serialVersionUID = 1L; 
@Id 
@Basic(optional = false) 
@NotNull 
@Size(min = 1, max = 200) 
@Column(name = "domaine", nullable = false, length = 200) 
private String domaine; 
@OneToMany(cascade = CascadeType.PERSIST, mappedBy = "domaine") //and I have tried CascadType.ALL 
private Collection<Personne> personneCollection; 
//getters and setters

}

来源

2012-03-08 Julie

你有实体类吗？或更具体一点：您的Personne类是否使用@Entity注释进行了注释？ – 2012-03-08 10:04:08

@Matt Handy yes是的，我会更新我的问题 – Julie 2012-03-08 10:52:35

也许你的实体关系设置不正确。您是在IDE的帮助下自己创建实体类还是自动创建实体类？ – 2012-03-08 18:56:24

再garding第二个错误：

您尝试坚持一个实体（Personne）具有通过实体类中的关系附加的另一个实体（DomainCompetence）。但是，您没有将此关系设置为CASCADE=PERSIST或CASCADE=ALL。所以EntityManager不知道如何处理这个实体。下面是一个例子级联属性如何设置：

@OneToMany(cascade = CascadeType.ALL, mappedBy = "...") 
private List<Personne> personneList;

看着你DomainCompetence实体类，并相应地改变它。希望这有助于进一步。

来源

2012-03-09 08:30:06

我试过了你的提议，出现同样的错误 – Julie 2012-03-09 10:13:35

运行我的程序时发生同步错误

回答

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