Бьюсь второй день над проблемой: скачал и поставил себе все что нужно для разработки в рамках Spring, но самые простые примеры не работают. Я уже понял теоретическую часть, но не могу понять, почему не запускаются примеры. Примеры брал отсюда и отсюда Выдает ошибку при первом заходе: | Код |
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Error instantiating servlet class org.springframework.web.servlet.DispatcherServlet
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:857)
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:565)
org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1509)
java.lang.Thread.run(Unknown Source)
root cause
java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
org.springframework.web.servlet.DispatcherServlet.<clinit>(DispatcherServlet.java:242)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
java.lang.reflect.Constructor.newInstance(Unknown Source)
java.lang.Class.newInstance0(Unknown Source)
java.lang.Class.newInstance(Unknown Source)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:857)
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:565)
org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1509)
java.lang.Thread.run(Unknown Source)
root cause
java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
java.lang.ClassLoader.loadClassInternal(Unknown Source)
org.springframework.web.servlet.DispatcherServlet.<clinit>(DispatcherServlet.java:242)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
java.lang.reflect.Constructor.newInstance(Unknown Source)
java.lang.Class.newInstance0(Unknown Source)
java.lang.Class.newInstance(Unknown Source)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:857)
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:565)
org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1509)
java.lang.Thread.run(Unknown Source)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.18 logs.
|
Потом пишет только что сервлет не найден. Файлы: web.xml | Код |
<?xml version="1.0" encoding="UTF-8"?>
<web-app>
<servlet>
<servlet-name>example</servlet-name>
<display-name>example</display-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- servlet-class>my.Servlet</servlet-class -->
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>example</servlet-name>
<url-pattern>*.form</url-pattern>
</servlet-mapping>
<servlet>
<description>My Servlet</description>
<display-name>Servlet</display-name>
<servlet-name>Servlet</servlet-name>
<servlet-class>my.Servlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Servlet</servlet-name>
<url-pattern>/Servlet</url-pattern>
</servlet-mapping>
</web-app>
|
example-servlet.xml | Код |
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<bean id="Calc" class="SumController" >
</bean>
<bean id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
<property name="mappings">
<props>
<prop key="/calc.html">Calc</prop>
</props>
</property>
</bean>
</beans>
|
SumController | Код |
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.AbstractController;
public class SumController extends AbstractController {
protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception {
ModelAndView mav = new ModelAndView("/calc.jsp");
try {
int x = Integer.parseInt(request.getParameter("x"));
int y = Integer.parseInt(request.getParameter("y"));
int sum = x + y;
mav.addObject("sum", sum);
mav.addObject("x", x);
mav.addObject("y", y);
} catch (NumberFormatException e) {
e.printStackTrace();
}
return mav;
}
}
|
calc.jsp | Код |
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Summer</title>
</head>
<body>
<form>
<input type="text" name="x" value="${x}"/>
+
<input type="text" name="y" value="${y}"/>
= ${sum}
<br/>
<input type="submit" value="Calc"/>
</form>
</body>
</html>
|
В общем-то все по примеру. Почему не работает (на обоих простейших примерах) -- понять не могу. |
Spring: Error instantiating servlet, Все по примерам, не работает 
Загрузка ...
нет времени думать - нужно писать КОД!
