1 pièce(s) jointe(s)
Probème d'accès aux donnée JPA avec eclipse
Bonjour tout le monde, je suis coîncé sur l'accès au donnée dans mon projet JPA. Apres avoir configurer la base de donnée h2 je parvient à executer les requettes sql dans le terminal dédié via eclipse.
Vous avez ici un exemple d'entité généréé
Code:
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| package jPAProject;
import java.io.Serializable;
import javax.persistence.*;
import java.util.List;
/**
* The persistent class for the "employees" database table.
*
*/
@Entity
@Table(name="\"employees\"")
@NamedQuery(name="Employee.findAll", query="SELECT e FROM Employee e")
public class Employee implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@Column(name="\"id\"")
private int id;
@Column(name="\"address\"")
private String address;
@Lob
@Column(name="\"attachments\"")
private byte[] attachments;
@Column(name="\"business_phone\"")
private String businessPhone;
@Column(name="\"city\"")
private String city;
@Column(name="\"company\"")
private String company;
@Column(name="\"country_region\"")
private String countryRegion;
@Column(name="\"email_address\"")
private String emailAddress;
@Column(name="\"fax_number\"")
private String faxNumber;
@Column(name="\"first_name\"")
private String firstName;
@Column(name="\"home_phone\"")
private String homePhone;
@Column(name="\"job_title\"")
private String jobTitle;
@Column(name="\"last_name\"")
private String lastName;
@Column(name="\"mobile_phone\"")
private String mobilePhone;
@Column(name="\"notes\"")
private String notes;
@Column(name="\"state_province\"")
private String stateProvince;
@Column(name="\"web_page\"")
private String webPage;
@Column(name="\"zip_postal_code\"")
private String zipPostalCode;
//bi-directional many-to-one association to Order
@OneToMany(mappedBy="employee")
private List<Order> orders;
//bi-directional many-to-many association to Privilege
@ManyToMany(mappedBy="employees")
private List<Privilege> privileges;
//bi-directional many-to-one association to PurchaseOrder
@OneToMany(mappedBy="employee")
private List<PurchaseOrder> purchaseOrders;
public Employee() {
}
public int getId() {
return this.id;
}
public void setId(int id) {
this.id = id;
}
public String getAddress() {
return this.address;
}
public void setAddress(String address) {
this.address = address;
}
public byte[] getAttachments() {
return this.attachments;
}
public void setAttachments(byte[] attachments) {
this.attachments = attachments;
}
public String getBusinessPhone() {
return this.businessPhone;
}
public void setBusinessPhone(String businessPhone) {
this.businessPhone = businessPhone;
}
public String getCity() {
return this.city;
}
public void setCity(String city) {
this.city = city;
}
public String getCompany() {
return this.company;
}
public void setCompany(String company) {
this.company = company;
}
public String getCountryRegion() {
return this.countryRegion;
}
public void setCountryRegion(String countryRegion) {
this.countryRegion = countryRegion;
}
public String getEmailAddress() {
return this.emailAddress;
}
public void setEmailAddress(String emailAddress) {
this.emailAddress = emailAddress;
}
public String getFaxNumber() {
return this.faxNumber;
}
public void setFaxNumber(String faxNumber) {
this.faxNumber = faxNumber;
}
public String getFirstName() {
return this.firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getHomePhone() {
return this.homePhone;
}
public void setHomePhone(String homePhone) {
this.homePhone = homePhone;
}
public String getJobTitle() {
return this.jobTitle;
}
public void setJobTitle(String jobTitle) {
this.jobTitle = jobTitle;
}
public String getLastName() {
return this.lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getMobilePhone() {
return this.mobilePhone;
}
public void setMobilePhone(String mobilePhone) {
this.mobilePhone = mobilePhone;
}
public String getNotes() {
return this.notes;
}
public void setNotes(String notes) {
this.notes = notes;
}
public String getStateProvince() {
return this.stateProvince;
}
public void setStateProvince(String stateProvince) {
this.stateProvince = stateProvince;
}
public String getWebPage() {
return this.webPage;
}
public void setWebPage(String webPage) {
this.webPage = webPage;
}
public String getZipPostalCode() {
return this.zipPostalCode;
}
public void setZipPostalCode(String zipPostalCode) {
this.zipPostalCode = zipPostalCode;
}
public List<Order> getOrders() {
return this.orders;
}
public void setOrders(List<Order> orders) {
this.orders = orders;
}
public Order addOrder(Order order) {
getOrders().add(order);
order.setEmployee(this);
return order;
}
public Order removeOrder(Order order) {
getOrders().remove(order);
order.setEmployee(null);
return order;
}
public List<Privilege> getPrivileges() {
return this.privileges;
}
public void setPrivileges(List<Privilege> privileges) {
this.privileges = privileges;
}
public List<PurchaseOrder> getPurchaseOrders() {
return this.purchaseOrders;
}
public void setPurchaseOrders(List<PurchaseOrder> purchaseOrders) {
this.purchaseOrders = purchaseOrders;
}
public PurchaseOrder addPurchaseOrder(PurchaseOrder purchaseOrder) {
getPurchaseOrders().add(purchaseOrder);
purchaseOrder.setEmployee(this);
return purchaseOrder;
}
public PurchaseOrder removePurchaseOrder(PurchaseOrder purchaseOrder) {
getPurchaseOrders().remove(purchaseOrder);
purchaseOrder.setEmployee(null);
return purchaseOrder;
}
//le main que moi me j'ai ajouté
public static void main(String[] args) {
EntityManagerFactory emf=Persistence.createEntityManagerFactory("jPAProject");
EntityManager em=emf.createEntityManager();
Query nQuery = em.createNamedQuery("Employee.findAll",Employee.class);
List<Employee> customers = nQuery.getResultList();
for(Employee c:customers)
System.out.println(c.getLastName());
}
} |
mon fichier persitence.xml est le suivant:
Code:
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| <?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.1" xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
<persistence-unit name="jPAProject" transaction-type="RESOURCE_LOCAL">
<mapping-file>META-INF/querry.xml</mapping-file>
<class>jPAProject.Customer</class>
<class>jPAProject.Employee</class>
<class>jPAProject.InventoryTransactionType</class>
<class>jPAProject.InventoryTransaction</class>
<class>jPAProject.Invoice</class>
<class>jPAProject.OrderDetail</class>
<class>jPAProject.OrderDetailsStatus</class>
<class>jPAProject.Order</class>
<class>jPAProject.OrdersStatus</class>
<class>jPAProject.OrdersTaxStatus</class>
<class>jPAProject.Privilege</class>
<class>jPAProject.Product</class>
<class>jPAProject.PurchaseOrderDetail</class>
<class>jPAProject.PurchaseOrderStatus</class>
<class>jPAProject.PurchaseOrder</class>
<class>jPAProject.SalesReport</class>
<class>jPAProject.Shipper</class>
<class>jPAProject.Supplier</class>
<properties>
<property name="javax.persistence.jdbc.url" value="jdbc:h2:/home/sylla/Documents/COURS_L3/ProjetEclipse/northwind;AUTO_SERVER=TRUE"/>
<property name="javax.persistence.jdbc.user" value="sa"/>
<property name="javax.persistence.jdbc.password" value=""/>
<property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
<property name="eclipselink.logging.level" value="FINE"/>
<property name="javax.persistence.logging.level" value="FINE"/>
<property name="eclipselink.allow-zero-id" value="true"/>
</properties>
</persistence-unit>
</persistence> |
et le fichier pom.xml
Code:
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| <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>jPAProject</groupId>
<artifactId>jPAProject</artifactId>
<version>0.0.1-SNAPSHOT</version>
<build>
<sourceDirectory>src</sourceDirectory>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.eclipse.persistence</groupId>
<artifactId>eclipselink</artifactId>
<version>2.5.2</version>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>1.4.199</version>
</dependency>
</dependencies>
</project> |
et un screen de l'erreur en sortie
Error Code: 42102
Call: SELECT "id", "address", "attachments", "business_phone", "city", "company", "country_region", "email_address", "fax_number", "first_name", "home_phone", "job_title", "last_name", "mobile_phone", "notes", "state_province", "web_page", "zip_postal_code" FROM "employees"
Query: ReadAllQuery(name="Employee.findAll" referenceClass=Employee sql="SELECT "id", "address", "attachments", "business_phone", "city", "company", "country_region", "email_address", "fax_number", "first_name", "home_phone", "job_title", "last_name", "mobile_phone", "notes", "state_province", "web_page", "zip_postal_code" FROM "employees"")
Exception in thread "main" javax.persistence.PersistenceException: Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.5.2.v20140319-9ad6abd): org.eclipse.persistence.exceptions.DatabaseException
Internal Exception: org.h2.jdbc.JdbcSQLSyntaxErrorException: Table "employees" non trouvée
Table "employees" not found; SQL statement:
SELECT "id", "address", "attachments", "business_phone", "city", "company", "country_region", "email_address", "fax_number", "first_name", "home_phone", "job_title", "last_name", "mobile_phone", "notes", "state_province", "web_page", "zip_postal_code" FROM "employees" [42102-199]
at org.h2.message.DbException.getJdbcSQLException(DbException.java:451)
at org.h2.message.DbException.getJdbcSQLException(DbException.java:427)
at org.h2.message.DbException.get(DbException.java:205)
at org.h2.message.DbException.get(DbException.java:181)
at org.h2.command.Parser.readTableOrView(Parser.java:7146)
at org.h2.command.Parser.readTableFilter(Parser.java:1895)
at org.h2.command.Parser.parseSelectSimpleFromPart(Parser.java:2641)
at org.h2.command.Parser.parseSelectSimple(Parser.java:2788)
at org.h2.command.Parser.parseSelectSub(Parser.java:2636)
at org.h2.command.Parser.parseSelectUnion(Parser.java:2469)
at org.h2.command.Parser.parseSelect(Parser.java:2440)
at org.h2.command.Parser.parsePrepared(Parser.java:814)
at org.h2.command.Parser.parse(Parser.java:788)
at org.h2.command.Parser.parse(Parser.java:760)
at org.h2.command.Parser.prepareCommand(Parser.java:683)
at org.h2.engine.Session.prepareLocal(Session.java:627)
at org.h2.server.TcpServerThread.process(TcpServerThread.java:270)
at org.h2.server.TcpServerThread.run(TcpServerThread.java:175)
at java.lang.Thread.run(Thread.java:748)
Une image du shema de mes tables dans le dataSource explorer
Pièce jointe 474266
Et la connexion à la base reussie parfaitement. Je vous remercie d'avance pour vos coups de main car j'en ai vivement besoin.