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I have created spring data JPA sample project. I used eclips for this. There are two projects, one is domain object project which has only annotated entity classes.
Other project is actual spring data jpa project and it has a dependency for the project one. Actually it gets domain project entity classes via maven dependency.
Project 1 : hrm-domain
Entity class :
package com.hrm.ws.data.
import javax.persistence.B
import javax.persistence.C
import javax.persistence.E
import javax.persistence.GeneratedV
import javax.persistence.GenerationT
import javax.persistence.Id;
import javax.persistence.I
import javax.persistence.InheritanceT
import javax.persistence.T
@Entity(name = "Employee")
@Table(name = "employee")
@Inheritance(strategy = InheritanceType.JOINED)
public class Employee {
protected String firstN
protected String lastN
* Gets the value of the id property.
@Column(name = "id", scale = 0)
@GeneratedValue(strategy = GenerationType.AUTO)
public long getId() {
Project 2 : hrm-ws-service
persistance-context.xml
&?xml version="1.0" encoding="UTF-8"?&
&beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:jpa="http://www.springframework.org/schema/data/jpa"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/data/jpa
http://www.springframework.org/schema/data/jpa/spring-jpa.xsd"&
&bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"&
&property name="driverClassName" value="${jdbc.driverClassName}"/&
&property name="url" value="${jdbc.url}"/&
&property name="username" value="${jdbc.username}"/&
&property name="password" value="${jdbc.password}"/&
&jpa:repositories base-package="com.hrm.ws.data.repository" /&
&bean id="employeeDao" class="com.hrm.ws.data.repository.EmployeeRepositoryImpl"/&
&bean class="org.springframework.orm.jpa.JpaTransactionManager" id="transactionManager"&
&property name="entityManagerFactory" ref="entityManagerFactory" /&
&property name="jpaDialect"&
&bean class="org.springframework.orm.jpa.vendor.HibernateJpaDialect" /&
&/property&
&bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"&
&property name="dataSource" ref="dataSource" /&
&property name="jpaVendorAdapter"&
&bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"&
&property name="generateDdl" value="${jdbc.generateDdl}" /&
&property name="showSql" value="${jdbc.showSql}"/&
&/property&
&property name="persistenceUnitName" value="jpa.sample" /&
So the setup for my packages is as follows:
src/main/java - contains the spring repository
src/main/resources - contains application context
src/test/java - contains unit tests
And dependency for the project 1 (hrm-domain)
My problem is when I run this project I am getting error as follows:
... 38 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'employeeRepository': FactoryBean threw exceptio nested exception is java.lang.IllegalArgumentException: Not an entity: class com.hrm.ws.data.domain.Employee
at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:149)
at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:102)
at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1429)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:844)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:786)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:703)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:474)
... 40 more
**Caused by: java.lang.IllegalArgumentException: Not an entity: class** com.hrm.ws.data.domain.Employee
at org.hibernate.ejb.metamodel.MetamodelImpl.entity(MetamodelImpl.java:160)
at org.springframework.data.jpa.repository.support.JpaMetamodelEntityInformation.&init&(JpaMetamodelEntityInformation.java:52)
at org.springframework.data.jpa.repository.support.JpaEntityInformationSupport.getMetadata(JpaEntityInformationSupport.java:61)
at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getEntityInformation(JpaRepositoryFactory.java:145)
at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:83)
at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:66)
at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:146)
at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.getObject(RepositoryFactoryBeanSupport.java:120)
at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.getObject(RepositoryFactoryBeanSupport.java:39)
at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:142)
... 48 more
I am wondering about this issue, because when I put domain object (Employee.java)
in my spring project it self rather separate jar it works fine. This issue only happens it gives as a separate jar.
If any one has experience about
scenario like that please give me a help.
162k13337411
I also had the same problem. Mine was that I didn't supply the packagesToScan property in the entityManagerFactory bean, so Spring couldn't load the Entities. Check out the emf bean declaration in your spring configuration xml. The following is a EMF declaration I hope it could help you to get rid the error:
&bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"&
&property name="dataSource" ref="dataSource" /&
&property name="jpaVendorAdapter"&
&bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" /&
&/property&
&property name="packagesToScan" value="com.hrm.ws.data.domain" /&
&property name="jpaDialect"&
&bean class="org.springframework.orm.jpa.vendor.HibernateJpaDialect" /&
&/property&
9,69731729
You're not scanning the com.hrm.ws.data.domain package for beans annotated with @Entity so the spring container has no knowledge of your entities and therefore producing an exception. Add the following lines to your persistance-context.xml config file:
&context:annotation-config /&
&context:component-scan base-package="com.hrm.ws.data.domain" /&
You'll also need to change your root xml element as follows so it the context elements are recognized:
&beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:jpa="http://www.springframework.org/schema/data/jpa"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/data/jpa
http://www.springframework.org/schema/data/jpa/spring-jpa.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd"&
And, if you haven't already, add the spring-context dependency to your pom file.
Use one of the following option :-
context:component-scan
base-package="Your Base Package Name" in spring.xml file
set packagesToScan property on the entityManagerFactory
use persistence.xml and list all entities there.
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