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问HTTPSTAT500-Servlet调度程序的Servlet.init()抛出异常
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Stack Overflow用户

提问于 2013-02-19 22:00:40

回答 2查看 133K关注 0票数 6

当我试图运行这个简单的html表单时：

   <html>
       <head>
        <title>Enter a new Page</title>
       </head>

       <body>

          <div id="editPresPage">
             <form action="editPresPage.do" method="post"> 
            <label>Enter Page ID</label><input type="text" name="page_id"/>
            <label>Enter Header1</label><input type="text" name="h1"/>
            <label>Enter Header2</label><input type="text" name="h2"/>
            <label>Enter Header3</label><input type="text" name="h3"/>
            <label>Enter Header4</label><input type="text" name="h4"/>            
            <label>Enter Page Text</label><input type="text" name="page_text"/>

            <input type="submit" value="Add New Page"/>
         </form>              
          </div>


       </body>
    </html>

我得到了错误HTTP 500-ServletDispatcher的Servlet.init()在我的浏览器中抛出了异常。

在命令行窗口(在运行tomcat的start.batch文件时打开)，我得到以下错误：

Log4j:没有为logger(org.springframework.web.servlet.dispatcherservlet)找到任何附加程序

我的Dispatcher-servlet.xml文件：

<beans xmlns="http://www.springframework.org/schema/beans" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:p="http://www.springframework.org/schema/p" 
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="
        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">       

        <import resource="/application.xml"/>

        <bean name="/editPresPage.do"
                class="my.pack.webTier.control.EditPresPageController" >
            <property name="page_manager_service" ref="page_manager_service"/>
        </bean> 

       <!--  I also tried using with annotations -->    
        <!-- <context:component-scan base-package="my.pack"/> -->        

</beans>

我的web.xml文件：

<?xml version="1.0" encoding="UTF-8"?>
<web-app 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"
         version="2.5">

    <servlet>
       <servlet-name>Dispatcher</servlet-name>
       <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
       <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
       <servlet-name>Dispatcher</servlet-name>
       <url-pattern>*.do</url-pattern>
</servlet-mapping>

    <!-- Tomcat configuration -->
    <Context path="/myWebApp" docBase="../tomcat\work\Catalina\localhost\mywebapptomcat\work\Catalina\localhost\mywebapp">
    <Loader
    loaderClass="org.springframework.instrument.classloading.tomcat.TomcatInstrumentableClassLoader"/>
    </Context>

</web-app>

那是我的控制器：

package my.pack.webTier.control;

import my.pack.dataAccessTier.domain.Presentation_page;
import my.pack.serviceTier.services.Page_manager_service;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;

//@Controller
public class EditPresPageController {

    //@Autowired
    private Page_manager_service page_manager_service;

    public void setPage_manager_service(Page_manager_service page_manager_service) {
        this.page_manager_service = page_manager_service;
    }

    @RequestMapping("/editPresPage")
    public ModelAndView EditPresPage(@RequestParam("page_id") int page_id,
                                     @RequestParam("h1") String h1_value,
                                     @RequestParam("h2") String h2_value,
                                     @RequestParam("h3") String h3_value,
                                     @RequestParam("h4") String h4_value,
                                     @RequestParam("page_text") String page_text)

    {
        Presentation_page new_page=new Presentation_page(page_id,h1_value,h2_value,
                h3_value,h4_value,page_text);

        page_manager_service.create_new_page(new_page);


        return new ModelAndView("/thanks.html");

    }


}

堆栈跟踪异常：

javax.servlet.ServletException: Servlet.init() for servlet Dispatcher threw exception
    org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
    org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
    org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1002)
    org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
    org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
    java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
    java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
    java.lang.Thread.run(Thread.java:722)

我正在使用spring 3.2、Eclip3.7、springTomcat/7.0.30并在我的项目中使用ANT。

我已经为这个要求寻找了一个答案，但没有找到答案。

eclipse

spring-mvc

tomcat7

java

spring

回答 2

Stack Overflow用户

回答已采纳

发布于 2013-02-21 11:16:23

您可以在*.do上映射分配器：

<servlet-mapping>
   <servlet-name>Dispatcher</servlet-name>
   <url-pattern>*.do</url-pattern>
</servlet-mapping>

但是控制器被映射到一个没有.do的url上：

@RequestMapping("/editPresPage")

尝试将此更改为：

@RequestMapping("/editPresPage.do")

票数 8

Stack Overflow用户

发布于 2014-03-29 01:22:25

<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>teste4</groupId>
    <artifactId>teste4</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>

    <repositories>
        <repository>
            <id>prime-repo</id>
            <name>PrimeFaces Maven Repository</name>
            <url>http://repository.primefaces.org</url>
            <layout>default</layout>
        </repository>
    </repositories>



    <dependencies>
        <dependency>
            <groupId>com.sun.faces</groupId>
            <artifactId>jsf-impl</artifactId>
            <version>2.2.4</version>
        </dependency>


        <dependency>
            <groupId>com.sun.faces</groupId>
            <artifactId>jsf-api</artifactId>
            <version>2.2.4</version>
        </dependency>



        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>2.5</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <dependency>
            <groupId>org.primefaces</groupId>
            <artifactId>primefaces</artifactId>
            <version>4.0</version>
        </dependency>
        <dependency>
            <groupId>org.primefaces.themes</groupId>
            <artifactId>bootstrap</artifactId>
            <version>1.0.9</version>
        </dependency>
        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>1.3</version>
        </dependency>

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.27</version>
        </dependency>

        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
            <version>4.2.7.Final</version>
        </dependency>

    </dependencies>


</project>

票数 -2

页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持

原文链接：

https://stackoverflow.com/questions/14968318

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