小编典典

ClassNotFoundException启动tomcat时出错

tomcat

我正在尝试从eclipse设置tomcat服务器,但是这个错误使我困扰了很长时间,而且我没有找到任何解决方案。

我试过了:

  • 在类路径中添加spring-context,spring-core,spring-web依赖项。
  • 修改项目属性(“部署程序集”部分)。
  • 清理tomcat服务器目录。

这是我的web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" 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_3_0.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>

    <!-- Processes application requests -->
    <servlet>
        <servlet-name>appServlet</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>appServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

</web-app>

这是跟踪:

Nov 03, 2014 5:40:26 PM com.springsource.tcserver.security.PropertyDecoder <init>
INFO: tc Runtime property decoder using memory-based key
Nov 03, 2014 5:40:27 PM com.springsource.tcserver.security.PropertyDecoder <init>
INFO: tcServer Runtime property decoder has been initialized in 153 ms
Nov 03, 2014 5:40:27 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
Nov 03, 2014 5:40:28 PM com.springsource.tcserver.serviceability.rmi.JmxSocketListener init
INFO: Started up JMX registry on 127.0.0.1:6969 in 189 ms
Nov 03, 2014 5:40:28 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 1258 ms
Nov 03, 2014 5:40:28 PM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
Nov 03, 2014 5:40:28 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: VMware vFabric tc Runtime 2.8.2.RELEASE/7.0.35.B.RELEASE
Nov 03, 2014 5:40:28 PM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor /home/karim/Downloads/.springsource/vfabric-tc-server-developer-2.8.2.RELEASE/base-instance/conf/Catalina/localhost/task-manager.xml
Nov 03, 2014 5:40:28 PM org.apache.catalina.startup.SetContextPropertiesRule begin
WARNING: [SetContextPropertiesRule]{Context} Setting property 'source' to 'org.eclipse.jst.jee.server:task-manager' did not find a matching property.
Nov 03, 2014 5:40:28 PM org.apache.catalina.core.StandardContext listenerStart
SEVERE: Error configuring application listener of class org.springframework.web.context.ContextLoaderListener
java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
    at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:527)
    at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:509)
    at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:137)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4733)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5291)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
    at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:657)
    at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1637)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:745)

请,如果您需要其他东西,请告诉我。


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2020-06-16

共1个答案

小编典典

有问题的类在spring-web-????? RELEASE.jar中。进行战争,然后使用诸如Winzip或7Zip之类的文件将其打开,然后在WEB-INF
/ lib中查找jar,我想那是不存在的。如果您使用的Maven包括以下依赖项:

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

如果您不使用maven,并且我想您在提到部署程序集时正在Eclipse中进行此操作,则必须将用于使这些jar可供编译的所有库添加到eclipse构建中。或者,您可以直接将jar移至WEB-
INF / lib。

在构建之后检查jar文件的战争情况。

2020-06-16