Question

我尝试使用Spring运行JUnit测试，但控制台显示： 无法加载ApplicationContext 错误。我使用的是Maven结构，applicationContext.xml文件夹中有src/main/resources文件。我已阅读所有相关问题并尝试了解决方案，但没有成功。

Here is the folder structure

以下是代码：

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("/applicationContext.xml")
public class ConsultarProveedorPorLlave {

@Resource
private SessionFactory fabricaSesionPostgreSQL;

@Test
public void test()
{
    Session sesion = fabricaSesionPostgreSQL.openSession();
    Proveedor proveedor = (Proveedor) sesion.get(Proveedor.class, 1);
    assertNotNull("El proveedor no existe", proveedor);
    System.out.println("Proveedor: " + proveedor.getProveedor() + " - " + proveedor.getNombre() + " - " + proveedor.getEstado());
    sesion.close();
}

这是错误跟踪：

java.lang.IllegalStateException：无法加载ApplicationContext org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext（DefaultCacheAwareContextLoaderDelegate.java:124）在 org.springframework.test.context.support.DefaultTestContext.getApplicationContext（DefaultTestContext.java:83）在 org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies（DependencyInjectionTestExecutionListener.java:117）在 org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance（DependencyInjectionTestExecutionListener.java:83）在 org.springframework.test.context.TestContextManager.prepareTestInstance（TestContextManager.java:228）在 org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest（SpringJUnit4ClassRunner.java:230）at org.springframework.test.context.junit4.SpringJUnit4ClassRunner $ 1.runReflectiveCall（SpringJUnit4ClassRunner.java:289）在 org.junit.internal.runners.model.ReflectiveCallable.run（ReflectiveCallable.java:12）在 org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock（SpringJUnit4ClassRunner.java:291）在 org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild（SpringJUnit4ClassRunner.java:249）在 org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild（SpringJUnit4ClassRunner.java:89）在org.junit.runners.ParentRunner $ 3.run（ParentRunner.java:290）at at org.junit.runners.ParentRunner $ 1.schedule（ParentRunner.java:71）at at org.junit.runners.ParentRunner.runChildren（ParentRunner.java:288）at at org.junit.runners.ParentRunner.access $ 000（ParentRunner.java:58）at at org.junit.runners.ParentRunner $ 2.evaluate（ParentRunner.java:268）at at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate（RunBeforeTestClassCallbacks.java:61）在 org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate（RunAfterTestClassCallbacks.java:70）在org.junit.runners.ParentRunner.run（ParentRunner.java:363）at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run（SpringJUnit4ClassRunner.java:193）在 org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run（JUnit4TestReference.java:50）在 org.eclipse.jdt.internal.junit.runner.TestExecution.run（TestExecution.java:38）在 org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests（RemoteTestRunner.java:459）在 org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests（RemoteTestRunner.java:675）在 org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run（RemoteTestRunner.java:382）在 org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main（RemoteTestRunner.java:192）引起：org.springframework.beans.factory.BeanCreationException：创建名为＆＃39; fabricaSesionPostgreSQL＆＃39;的bean时出错定义于 class path resource [applicationContext.xml]：bean的初始化失败;嵌套异常是 org.springframework.beans.ConversionNotSupportedException：失败将[java.lang.String]类型的属性值转换为所需类型 [javax.sql.DataSource]属性＆＃39; dataSource＆＃39 ;;嵌套异常是 java.lang.IllegalStateException：无法转换类型的值 [java.lang.String]到必需的类型[javax.sql.DataSource] property＆＃39; dataSource＆＃39;：没有匹配的编辑器或转换策略发现于 org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean（AbstractAutowireCapableBeanFactory.java:553）在 org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean（AbstractAutowireCapableBeanFactory.java:482）在 org.springframework.beans.factory.support.AbstractBeanFactory $ 1.getObject（AbstractBeanFactory.java:306）在 org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton（DefaultSingletonBeanRegistry.java:230）在 org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean（AbstractBeanFactory.java:302）在 org.springframework.beans.factory.support.AbstractBeanFactory.getBean（AbstractBeanFactory.java:197）在 org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons（DefaultListableBeanFactory.java:753）在 org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization（AbstractApplicationContext.java:839）在 org.springframework.context.support.AbstractApplicationContext.refresh（AbstractApplicationContext.java:538）在 org.springframework.test.context.support.AbstractGenericContextLoader.loadContext（AbstractGenericContextLoader.java:125）在 org.springframework.test.context.support.AbstractGenericContextLoader.loadContext（AbstractGenericContextLoader.java:60）在 org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.delegateLoading（AbstractDelegatingSmartContextLoader.java:109）在 org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.loadContext（AbstractDelegatingSmartContextLoader.java:261）在 org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal（DefaultCacheAwareContextLoaderDelegate.java:98）在 org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext（DefaultCacheAwareContextLoaderDelegate.java:116） ... 25更多引起： org.springframework.beans.ConversionNotSupportedException：失败将[java.lang.String]类型的属性值转换为所需类型 [javax.sql.DataSource]属性＆＃39; dataSource＆＃39 ;;嵌套异常是 java.lang.IllegalStateException：无法转换类型的值 [java.lang.String]到必需的类型[javax.sql.DataSource] property＆＃39; dataSource＆＃39;：没有匹配的编辑器或转换策略发现于 org.springframework.beans.AbstractNestablePropertyAccessor.convertIfNecessary（AbstractNestablePropertyAccessor.java:591）在 org.springframework.beans.AbstractNestablePropertyAccessor.convertForProperty（AbstractNestablePropertyAccessor.java:603）在 org.springframework.beans.BeanWrapperImpl.convertForProperty（BeanWrapperImpl.java:204）在 org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.convertForProperty（AbstractAutowireCapableBeanFactory.java:1527）在 org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues（AbstractAutowireCapableBeanFactory.java:1486）在 org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean（AbstractAutowireCapableBeanFactory.java:1226）在 org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean（AbstractAutowireCapableBeanFactory.java:543） ... 39更多引起：java.lang.IllegalStateException：不能将[java.lang.String]类型的值转换为所需类型 [javax.sql.DataSource]属性＆＃39; dataSource＆＃39;：没有匹配的编辑器或转换策略 org.springframework.beans.TypeConverterDelegate.convertIfNecessary（TypeConverterDelegate.java:302）在 org.springframework.beans.AbstractNestablePropertyAccessor.convertIfNecessary（AbstractNestablePropertyAccessor.java:576） ......还有45个

以下是pom.xml文件：

<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>sacc</groupId>
<artifactId>sacc</artifactId>
<version>0.0.1-SNAPSHOT</version>
<properties>
    <hibernate.version>4.3.8.Final</hibernate.version>
    <postgresql.version>9.1-901-1.jdbc4</postgresql.version>
    <junit.version>4.12</junit.version>
    <spring.version>4.2.5.RELEASE</spring.version>
</properties>
<dependencies>
    <!-- Hibernate -->
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-core</artifactId>
        <version>${hibernate.version}</version>
    </dependency>
    <!-- Hibernate -->

    <!-- PostgreSQL -->
    <dependency>
        <groupId>postgresql</groupId>
        <artifactId>postgresql</artifactId>
        <version>${postgresql.version}</version>
    </dependency>
    <!-- PostgreSQL -->

    <!-- JUnit -->
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>${junit.version}</version>
        <scope>test</scope>
    </dependency>
    <!-- JUnit -->

    <!-- Spring Framework -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-aop</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-aspects</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-beans</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context-support</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-core</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-instrument</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-instrument-tomcat</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jms</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-orm</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-oxm</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-test</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-tx</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-web</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc-portlet</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <!-- Spring Framework -->
</dependencies>
<build>
    <plugins>
        <plugin>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.1</version>
            <configuration>
                <source>1.8</source>
                <target>1.8</target>
            </configuration>
        </plugin>
    </plugins>
</build>

以下是 applicationContext.xml 文件：

<?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:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd
    http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.2.xsd">

<bean id="fuenteDatosPostgreSQL"
    class="org.springframework.jdbc.datasource.DriverManagerDataSource">
    <property name="driverClassName" value="org.postgresql.Driver" />
    <property name="url" value="jdbc:postgresql://localhost:5432/sacc" />
    <property name="username" value="postgres" />
    <property name="password" value="admin" />
</bean>
<bean id="fabricaSesionPostgreSQL"
    class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
    <property name="configLocation" value="classpath:hibernate_postgresql.cfg.xml" />
    <property name="dataSource" value="fuenteDatosPostgreSQL" />
</bean>
<bean id="gestorTransaccionesPostgreSQL"
    class="org.springframework.orm.hibernate4.HibernateTransactionManager">
    <property name="sessionFactory" ref="fabricaSesionPostgreSQL" />
</bean>

<tx:annotation-driven transaction-manager="gestorTransaccionesPostgreSQL" />
<context:component-scan base-package="com" scoped-proxy="interfaces" />

Answer 1

修改：根据您提供的applicationContext.xml

<property name="dataSource" value="fuenteDatosPostgreSQL" />

需要

<property name="dataSource" ref="fuenteDatosPostgreSQL" />。

这样它就会查找＆＃34; fuenteDatosPostgreSQL＆＃34;引用的对象。而不仅仅是String＆＃34; fuenteDatosPostgreSQL＆＃34;。

Answer 2

例外清楚显示

java.lang.IllegalStateException: Cannot convert value of type [java.lang.String] to required type [javax.sql.DataSource] for property 'dataSource':

当您reference bean时，您需要使用ref而不是value。

<bean id="fabricaSesionPostgreSQL"
    class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
    <property name="configLocation" value="classpath:hibernate_postgresql.cfg.xml" />
    <property name="dataSource" value="fuenteDatosPostgreSQL" />
</bean>

用

替换该行

<property name="dataSource" ref="fuenteDatosPostgreSQL" />

Answer 3

您可以将配置放入src / main / resourcesr，并尝试在单元测试中使用try @ContextConfiguration（“classpath：applicationContext.xml”）。

＆＃34;无法加载ApplicationContext＆＃34;使用@ContextConfiguration（＆＃34; /applicationContext.xml"）和Maven结构

3 个答案:

＆＃34;无法加载ApplicationContext＆＃34;使用@ContextConfiguration（＆＃34; /applicationContext.xml&#34;）和Maven结构

3 个答案:

＆＃34;无法加载ApplicationContext＆＃34;使用@ContextConfiguration（＆＃34; /applicationContext.xml"）和Maven结构