java.lang.ClassNotFoundException：org.springframework.core.io.Resource

Question

我在eclipse中使用spring 4.0.5，Hibernate 4.3.5和JSF进行web开发，这是我lib文件夹的内容：

当我运行我的项目时，我收到此错误：

java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/EMaEval]]
    at java.util.concurrent.FutureTask.report(Unknown Source)
    at java.util.concurrent.FutureTask.get(Unknown Source)
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1123)
    at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:799)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/EMaEval]]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
    ... 6 more
Caused by: java.lang.NoClassDefFoundError: org/springframework/core/io/Resource
    at java.lang.Class.getDeclaredFields0(Native Method)
    at java.lang.Class.privateGetDeclaredFields(Unknown Source)
    at java.lang.Class.getDeclaredFields(Unknown Source)
    at org.apache.catalina.util.Introspection.getDeclaredFields(Introspection.java:106)
    at org.apache.catalina.startup.WebAnnotationSet.loadFieldsAnnotation(WebAnnotationSet.java:261)
    at org.apache.catalina.startup.WebAnnotationSet.loadApplicationListenerAnnotations(WebAnnotationSet.java:90)
    at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:63)
    at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:403)
    at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:879)
    at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:374)
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
    at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5355)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    ... 6 more
Caused by: java.lang.ClassNotFoundException: org.springframework.core.io.Resource
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)
    ... 20 more

这些是配置文件：

web.xml

  <?xml version="1.0" encoding="ASCII"?>
    <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0">
      <display-name></display-name>
      <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/classes/application-context.xml</param-value>
      </context-param>
      <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
      </listener>
      <listener>
        <listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
      </listener>
      <servlet>
        <servlet-name>Faces Servlet</servlet-name>
        <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
      </servlet>
      <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>*.jsf</url-pattern>
      </servlet-mapping>
      <welcome-file-list>
        <welcome-file>index.jsf</welcome-file>
      </welcome-file-list>
    </web-app>

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:tx="http://www.springframework.org/schema/tx"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:security="http://www.springframework.org/schema/security"
    xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
        http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-4.0.xsd
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
        http://www.springframework.org/ schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd">

    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value ="org.postgresql.Driver" />
        <property name="user" value="postgres" />
        <property name="password" value="toor"/>
        <property name="jdbcUrl" value="jdbc:postgresql://172.16.83.128:5432/emaeval" />
    </bean>
    <bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="packagesToScan" value="com.models" />
        <property name="hibernateProperties">
            <props>
                <prop key="hiberante.dialect">org.hibernate.dialect.PostgreSQLDialect</prop>
                <prop key="hibernate.connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</prop>
            </props>
        </property>

    </bean>
    <bean id="tansactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory"></property>
    </bean>
    <tx:annotation-driven transaction-manager="transactionManager"/>
    <context:annotation-config/>
    <context:component-scan base-package="com"></context:component-scan>
</beans>

我该如何解决这个问题？

Answer 1

确保在您的类路径和lib文件夹中包含jar文件。

<强> 弹簧芯3.0.5.RELEASE.jar

如果您使用的是maven，请确保已包含spring-core-3xxxxx.jar文件的依赖项

<dependency>
 <groupId>org.springframework</groupId>
 <artifactId>spring-core</artifactId>
 <version>${org.springframework.version}</version>
</dependency>

注意：将$ {org.springframework.version}替换为版本号。

Answer 2

org.springframework.core.io.Resource是spring-core-<version>.jar

的一部分

但是这个lib已经在你的lib文件夹中了。所以我想这只是一个部署问题。 - 尝试清理服务器并重新部署应用程序。

Answer 3

右键点击您的项目 - ＆gt;属性 - ＆gt;部署大会。

在左侧面板上点击＆＃39;添加＆＃39;并添加＆＃39; 项目和外部依赖关系＆＃39;。

＆＃39; 项目和外部依赖关系＆＃39;将与您的应用程序一起部署所有与弹簧相关的罐子

Answer 4

将jar文件添加到类路径NOT modulepath上。

Eclipse Image

Answer 5

jar / dependency之间存在版本冲突，请检查spring的所有版本是否相同。 如果使用maven删除依赖项版本并使用Spring.iodependency.it处理版本冲突。将此添加到您的pom中

 <dependency>
            <groupId>io.spring.platform</groupId>
            <artifactId>platform-bom</artifactId>
            <version>2.0.1.RELEASE</version>
            <type>pom</type>
            <scope>import</scope>
  </dependency>

Answer 6

尽管jar在lib目录中并添加到Eclipse中的部署程序集，我仍然收到相同的错误。

所以我怀疑两件事，

1。Weblogic缓存出现一些问题-由于此应用是在部署之前进行的，而我在进行某些更改后正尝试重新部署

2.Jar本身由于部分下载等而损坏

因此，我重新下载了jar并删除了目录- .. \ Oracle_Home \ user_projects \ domains \ base_domain \ lib 中的所有内容，然后再次进行了重新部署，一切都很好。