java-自动装配失败:不是托管类型

我的文凭项目有一个大问题,如果你们能帮助我,我将非常高兴!我做了一个Maven多模块项目,有3个“核心项目”

  • NaviCleanServer :(父母)
  • NaviCleanServer:包含我所有实体的域模型,并且NaviCleanServer需要的接口einRemoteDienst30003000766766484190212和NaviCleanClient
  • NaviCleanServer:包含GUI和与之的Hessian连接einRemoteDienst
  • NaviCleanServer:这是我的存储库,与数据库的连接和接口的实现einRemoteDienstNaviCleanServerNaviCleanClient在Maven中具有NaviCleanDomain依赖关系。

现在,每次尝试在Tomcat上启动服务器时,都会出现以下错误:

ERROR: org.springframework.web.context.ContextLoader - Context initialization failed
org.springframework.beans.factory.BeanCreationException: 
Error creating bean with name 'transaktionsRepository': 
Injection of persistence dependencies failed; 
nested exception is org.springframework.beans.factory.CannotLoadBeanClassException: 
Error loading class [at.naviclean.service.impl.MeinRemoteDienstImpl] for bean with name 'meinRemoteDienstImpl' defined in file [C:\Users\Fredy\Documents\workspace-sts-3.1.0.RELEASE\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\NaviCleanServer\WEB-INF\classes\at\naviclean\service\impl\MeinRemoteDienstImpl.class]: 
problem with class file or dependent class; 
nested exception is java.lang.NoClassDefFoundError: at/naviclean/service/MeinRemoteDienst
at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.postProcessPropertyValues(PersistenceAnnotationBeanPostProcessor.java:342)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1106)
    ……………….

模型库:

package at.naviclean.domain;

import java.io.Serializable;
import java.util.Date;

import javax.persistence.Column;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.MappedSuperclass;
import javax.persistence.Version;

@SuppressWarnings("serial")
@MappedSuperclass
public class ModelBase implements Serializable {

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    @Column(name = "id")
    private Long id;

    @Version
    @Column(name = "ts")
    private Date timestamp;

    public Long getId() {
        return id;
    }

    public Date getTimestamp() {
        return timestamp;
    }

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

    public void setTimestamp(Date timestamp) {
        this.timestamp = timestamp;
    }

}

收银台:

package at.naviclean.domain;

import javax.persistence.Column;
import javax.persistence.Entity;

@SuppressWarnings("serial")
@Entity
public class Kassa extends ModelBase {

    @Column(name = "name", unique = true)
    private String name;

    @Column(name = "geld")
    private int geld;

    public Kassa(String name, int geld) {
        this.name = name;
        this.geld = geld;
    }

    public Kassa() {
    }

    public String getName() {
        return name;
    }

    public int getGeld() {
        return geld;
    }

    public void setName(String name) {
        this.name = name;
    }

    public void setGeld(int geld) {
        this.geld = geld;
    }

}

主要远程:

package at.naviclean.service;

import at.naviclean.domain.Kassa;

public interface MeinRemoteDienst {

    int getKassaCount(int plus);

    String getNameFromKassa(int id);

    Kassa findById(int id);
}

基本资料库

package at.naviclean.repositories;

import org.springframework.data.jpa.repository.JpaRepository;

import at.naviclean.domain.ModelBase;

public interface BaseRepository<T extends ModelBase> extends
        JpaRepository<T, Long> {
    T findById(long id);

}

Kassa存储库:

package at.naviclean.repositories;

import java.util.List;

import org.springframework.data.jpa.repository.Query;

import at.naviclean.domain.Kassa;

public interface KassaRepository extends BaseRepository<Kassa> {
    List<Kassa> findByGeld(int geld);

    Kassa findByName(String name);

    @Query("select k from Kassa k where k.geld = ?1")
    Kassa findByGeld1(int geld);
}

Main Remotenji schi mpl:

package at.naviclean.service.impl;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import at.naviclean.domain.Kassa;
import at.naviclean.repositories.KassaRepository;
import at.naviclean.service.MeinRemoteDienst;

@Service
public class MeinRemoteDienstImpl implements MeinRemoteDienst {

    @Autowired(required = true)
    public KassaRepository kassaR;

    public int getKassaCount(int plus) {
        return 2;
    }


    public String getNameFromKassa(int id) {
        return kassaR.findById(id + 0l).getName();
    }

    @Override
    public Kassa findById(int id) {
        return = kassaR.findById(id + 0l);
    }

}

application-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"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:repository="http://www.springframework.org/schema/data/repository"
    xsi:schemaLocation="http://www.springframework.org/schema/data/repository http://www.springframework.org/schema/data/repository/spring-repository.xsd
        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.xsd">


    <import resource="infrastructures.xml" />

    <jpa:repositories base-package="at.naviclean.repositories">
        <repository:exclude-filter type="regex"
            expression="at.naviclean.repositories.BaseRepository" />
    </jpa:repositories>

    <context:component-scan base-package="at.naviclean.service.impl" />

</beans>

Infrastructures.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:jdbc="http://www.springframework.org/schema/jdbc"
        xmlns:context="http://www.springframework.org/schema/context"
        xsi:schemaLocation="http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd
                http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
                http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd">



        <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="showSql" value="true" />
                                <property name="generateDdl" value="true" />
                                <property name="databasePlatform" value="org.hibernate.dialect.MySQLDialect" />
                        </bean>
                </property>
        </bean>

        <bean id="dataSource"
                class="org.springframework.jdbc.datasource.DriverManagerDataSource">
                <property name="driverClassName" value="com.mysql.jdbc.Driver" />
                <property name="url" value="jdbc:mysql://localhost/kassatest" />
                <property name="username" value="root" />
                <property name="password" value="" />
        </bean>

        <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
                <property name="entityManagerFactory" ref="entityManagerFactory" />
        </bean>


        <bean id="validator" class="org.springframework.validation.beanvalidation.LocalValidatorFactoryBean" />

</beans>

servlet-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:context="http://www.springframework.org/schema/context"
    xmlns:p="http://www.springframework.org/schema/p" xmlns:mvc="http://www.springframework.org/schema/mvc"
    xmlns:c="http://www.springframework.org/schema/c"
    xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.1.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">



<import resource="../root-context.xml" />
    <bean id="idMeinRemoteDienst" class="at.naviclean.service.impl.MeinRemoteDienstImpl" />
    <bean name="/MeinRemoteDienstHessian"
        class="org.springframework.remoting.caucho.HessianServiceExporter"
        p:serviceInterface="at.naviclean.service.MeinRemoteDienst"
        p:service-ref="idMeinRemoteDienst" />

</beans>

root-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"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

    <import resource="classpath:META-INF/spring/application-context.xml" />

</beans>

web.xml:

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

    <!-- The definition of the Root Spring Container shared by all Servlets 
        and Filters -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/spring/root-context.xml</param-value>
    </context-param>

    <!-- Creates the Spring Container shared by all Servlets and Filters -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>


    <servlet>
        <servlet-name>/MeinRemoteDienstHessian</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>/WEB-INF/spring/appServlet/servlet-context.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>/MeinRemoteDienstHessian</servlet-name>
        <url-pattern>/remoting/*</url-pattern>
    </servlet-mapping>

</web-app>

这是我已经尝试过的:1.我写了这个测试“变成红色”:

package at.spengergasse.kassa;

import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.hamcrest.MatcherAssert.assertThat;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import at.naviclean.domain.Kassa;
import at.naviclean.repositories.KassaRepository;

@ContextConfiguration("classpath:META-INF/spring/application-context.xml")
@RunWith(SpringJUnit4ClassRunner.class)
public class KassaTest {

    @Autowired(required = true)
    private KassaRepository kassaR;

    @Before
    public void setUp() throws Exception {

    }

    @Test
    public void findByIdTest() {
        Kassa k = kassaR.findById(2);

        assertThat(k, is(not(nullValue())));
    }

    @Test
    public void findByGeld() {
        Kassa k = kassaR.findByGeld1(1200);

        assertThat(k, is(not(nullValue())));
    }

    @Test
    public void test() {
        Kassa vorher = new Kassa("ssf", 222);
        kassaR.save(vorher);
        Kassa nachher = kassaR.findById(vorher.getId());
        kassaR.delete(nachher);
        assertThat(vorher.getId(), is(equalTo(nachher.getId())));
    }

}

错误:

ERROR: org.springframework.test.context.TestContextManager - 
Caught exception while allowing TestExecutionListener [org.springframework.test.context.support.DependencyInjectionTestExecutionListener@41e22632] to prepare test instance [at.spengergasse.kassa.KassaTest@6639be68]
java.lang.IllegalStateException: Failed to load ApplicationContext
    at org.springframework.test.context.TestContext.getApplicationContext(TestContext.java:157)
    at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:109)
    at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:75)
    at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:321)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:211)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:288)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:290)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:231)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
    at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
    at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:174)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)


Caused by: org.springframework.beans.factory.BeanCreationException: 
Error creating bean with name 'meinRemoteDienstImpl': 
**Injection of autowired dependencies failed**; 
nested exception is org.springframework.beans.factory.BeanCreationException: 
Could not autowire field: public at.naviclean.repositories.KassaRepository at.naviclean.service.impl.MeinRemoteDienstImpl.kassaR; 
nested exception is org.springframework.beans.factory.BeanCreationException: 
Error creating bean with name 'kassaRepository': FactoryBean threw exception on object creation; 
nested exception is java.lang.IllegalArgumentException: **Not an managed type: class at.naviclean.domain.Kassa**
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:287)
    ………..

2.我在域模型的persistence.xml中手动插入了一个存储库。 结果是“绿色”测试,但我仍然无法启动服务器...

在此先感谢!!! 我无法想象没有你会是什么:)

11个解决方案
125 votes

我从Oliver Gierke获得了非常有用的建议:

您最后得到的异常实际上表明您的JPA有问题 建立。 “非托管bean”表示JPA提供程序不知道的类型 的。 如果您要设置基于Spring的JPA应用程序,我建议 配置“ packagesToScan”属性 您已配置到包的LocalContainerEntityManagerFactory 包含您的JPA实体。 或者,您可以列出所有 persistence.xml中的实体类,但这通常比较麻烦。

您收到的前一个错误(NoClassDefFound)指示该类 提到的在项目类路径上不可用。 所以你可能 要检查您具有的模块间依赖性。 作为两个 相关类似乎位于相同的模块中 只是到Tomcat的部署不完全是一个问题(WTP是一种 有时令人讨厌)。 我绝对建议对 验证(就像您已经做过的)。 因为这似乎导致您进入 不同的例外,我想这确实是Eclipse的故障

谢谢!

alfred_m answered 2020-08-07T03:34:44Z
10 votes

您应该扩展组件扫描的范围,例如 persistence.xml,因为您将实体放置在包at.naviclean.domain;

这应该可以帮助您摆脱异常:不是托管类型:at.naviclean.domain.Kassa类

为了进行进一步的调试,您可以尝试转储应用程序上下文(请参阅javadoc),以探究组件扫描检测到哪些类,如果仍然无法识别某些类,请检查其注释(@ Service,@ Component等)。

编辑:

您还需要将类添加到您的persistence.xml

<persistence-unit>
    <class>at.naviclean.domain.Kassa</class>
     ...
</persistence-unit>
stacker answered 2020-08-07T03:35:22Z
7 votes

如果有人遇到同样的问题,我在主类中添加了@EntityScan来解决。 只需将模型包添加到basePackages属性即可。

Alberto Alegria answered 2020-08-07T03:35:42Z
5 votes

在春季启动中,我使用CrudRepository遇到了同样的异常,因为我忘记了设置通用类型。 我想在这里写它,以防它对某人有所帮助。

错误的定义:

public interface OctopusPropertiesRepository extends CrudRepository

错误:

Caused by: java.lang.IllegalArgumentException: Not a managed type: class java.lang.Object

成功的定义:

public interface OctopusPropertiesRepository extends CrudRepository<OctopusProperties,Long>{
cacert answered 2020-08-07T03:36:15Z
3 votes

就我而言,使用IntelliJ时,项目中有多个模块。 主模块依赖于另一个模块,该模块对Spring具有maven依赖。

主模块有Entitys,第二个模块也有。 但是当我运行主模块时,只有第二个模块中的Entitys被识别为托管类。

然后,我也在主模块上添加了Spring依赖项,你猜怎么着? 它可以识别所有Entity

Ruraj answered 2020-08-07T03:36:44Z
3 votes

遇到此问题并尝试了将实体packaname名称添加到EntityScan,ComponentScan等的其他方法后,它们均无效。

将软件包添加到存储库配置的EntityManagerFactory中的packageScan配置中。 与上面回答的基于XML的配置相反,以下代码给出了基于代码的配置。

@Primary
@Bean(name = "entityManagerFactory")
public EntityManagerFactory entityManagerFactory() {
    LocalContainerEntityManagerFactoryBean emf = new LocalContainerEntityManagerFactoryBean();
    emf.setDataSource(dataSource);
    emf.setJpaVendorAdapter(jpaVendorAdapter);
    emf.setPackagesToScan("org.package.entity");
    emf.setPersistenceUnitName("default"); 
    emf.afterPropertiesSet();
    return emf.getObject();
}
Ashraff Ali Wahab answered 2020-08-07T03:37:08Z
2 votes

您需要检查packagesToScan。

<bean id="entityManagerFactoryDB" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"
    <property name="dataSource" ref="dataSourceDB" />
    <property name="persistenceUnitName" value="persistenceUnitDB" />
    <property name="packagesToScan" value="at.naviclean.domain" />
                                            //here
 .....
jonas.lima answered 2020-08-07T03:37:28Z
1 votes

间接扩展JpaRepository(KassaRepository扩展BaseRepository扩展JpaRepository)时,您必须使用@NoRepositoryBean注释BaseRepository:

@NoRepositoryBean
public interface BaseRepository<T extends ModelBase> extends JpaRepository<T, Long> {
    T findById(long id);
}
mjassani answered 2020-08-07T03:37:48Z
0 votes

引用奥利弗·吉尔克的暗示:

当操作persistence.xml达到目的时,您就创建了一个普通的Java类而不是实体类。

当创建一个新的实体类时,应该由Netbeans设置persistence.xml中的条目(在我的情况下)。

但是,正如Oliver Gierke所提到的,您可以稍后将条目添加到persistence.xml中(如果您创建了普通的Java类)。

walt answered 2020-08-07T03:38:21Z
0 votes

对我来说,基于@alfred_m所说的,错误非常简单..... tomcat有2个jar,它们具有相同的类名和配置集冲突。

发生了什么事..............我复制了现有项目,以从现有项目中创建一个新项目。 但没有进行必要的更改,我开始从事其他项目。 Henec 2项目具有相同的类和配置文件,从而导致冲突。

删除复制的项目,一切开始正常!!!!

Shine answered 2020-08-07T03:38:51Z
0 votes

当您将不正确的Entity对象传递给存储库类中的CrudRepository时,您会遇到相同的异常。

public interface XYZRepository extends CrudRepository<IncorrectEntityClass, Long>
Vaibs answered 2020-08-07T03:39:11Z
translate from https://stackoverflow.com:/questions/14069449/autowiring-fails-not-an-managed-type