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Home » Eclipse Projects » EclipseLink » Object: is not a known Entity type.(New JPA project does not recognize entities.)
Object: is not a known Entity type. [message #1814123] Wed, 04 September 2019 09:18
Hendre Louw is currently offline Hendre LouwFriend
Messages: 3
Registered: November 2017
Junior Member
I created a new Dynamic Web Project with the JPA facet enabled. I only have one entity defined and when I am trying to persist this entity, I get: Object: is not a known Entity type.

PERSISTANCE UNIT

<?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="ezimax" transaction-type="RESOURCE_LOCAL">
		<class>za.co.ezimax.entity.Profile</class>
		<properties>
			<property name="javax.persistence.jdbc.url" value="jdbc:postgresql://localhost:5432/ezimax_backend"/>
			<property name="javax.persistence.jdbc.user" value="postgres"/>
			<property name="javax.persistence.jdbc.password" value="xxxxxxx"/>
			<property name="javax.persistence.jdbc.driver" value="org.postgresql.Driver"/>
			<property name="eclipselink.logging.level" value="FINEST"/>
		</properties>
	</persistence-unit>
</persistence>


ENTITY

package za.co.ezimax.entity;

import java.time.LocalDate;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;

@Entity()
@Table(name = "profile")
public class Profile {

	@Id
	@GeneratedValue(strategy = GenerationType.AUTO)
	private long id;
	
	@Column(name="first_name", nullable = false, length = 80)
	private String firstName;
	
	@Column(name="last_name", nullable = false, length = 80)
	private String lastName;
	
	@Column(name="birth_date", nullable = false)
	private LocalDate birthDate;
	
	@Column(name="sex", nullable = false)
	private int sex;
	
	@Column(name="sex", nullable = false)
	private String mobileMac;
	
	@Column(name="sex", nullable = false, length = 12)
	private String mobileNo;
	
	@Column(name="birth_date", nullable = false)
	private LocalDate registrationDate;
	
	@Column(name="user_password", nullable = false, length = 80)
	private char[] userPassword;
	
	public Profile() {
	}

	public long getId() {
		return id;
	}

	public void setId(long id) {
		this.id = id;
	}

	public String getFirstName() {
		return firstName;
	}

	public void setFirstName(String firstName) {
		this.firstName = firstName;
	}

	public String getLastName() {
		return lastName;
	}

	public void setLastName(String lastName) {
		this.lastName = lastName;
	}

	public LocalDate getBirthDate() {
		return birthDate;
	}

	public void setBirthDate(LocalDate birthDate) {
		this.birthDate = birthDate;
	}

	public int getSex() {
		return sex;
	}

	public void setSex(int sex) {
		this.sex = sex;
	}

	public String getMobileMac() {
		return mobileMac;
	}

	public void setMobileMac(String mobileMac) {
		this.mobileMac = mobileMac;
	}

	public String getMobileNo() {
		return mobileNo;
	}

	public void setMobileNo(String mobileNo) {
		this.mobileNo = mobileNo;
	}

	public LocalDate getRegistrationDate() {
		return registrationDate;
	}

	public void setRegistrationDate(LocalDate registrationDate) {
		this.registrationDate = registrationDate;
	}

	public char[] getUserPassword() {
		return userPassword;
	}

	public void setUserPassword(char[] userPassword) {
		this.userPassword = userPassword;
	}
}


PERSISTENCE CODE

		EntityManagerFactory emf = Persistence.createEntityManagerFactory("ezimax");
		EntityManager em = emf.createEntityManager();
		
		em.getTransaction().begin();
		
		Profile profile = new Profile();
		profile.setFirstName("Hendre");
		profile.setLastName("Louw");
		profile.setSex(1);
		profile.setMobileMac("ff:ff:ff:ff:ff:ff:ff:ff");
		profile.setMobileNo("+27832900001");
		profile.setRegistrationDate(LocalDate.now());
		profile.setUserPassword("password".toCharArray());
		
		em.persist(profile);
		em.getTransaction().commit();
		
		em.close();
		emf.close();


MAVEN
		<dependency>
			<groupId>org.eclipse.persistence</groupId>
			<artifactId>org.eclipse.persistence.jpa</artifactId>
			<version>2.7.1</version>
		</dependency>



I am running an running Eclipse 4.12.0. Please assist.
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