.*; public final class index_jsp extends org.apache.jasper.runtime.HttpJspBase implements org.apache.jasper.runtime.JspSourceDependent
javax.servlet.ServletException: Wrapper cannot find servlet class com.suntomor.lewan.pay.NotifyReceiver or a class it depends on org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103 编辑好的servlet源文件并不能响应用户请求，还必须将其编译成class文件。 编译后的class文件放在WEB-INF/classes路径下 在web.xml中，<servlet>中，顺序是这样的，你在地址栏中输入地址，先是找到mapping中的url，然后到mapping中name ，然后根据name找servlet中的servlet-name，然后再找对应的servlet-class，如果是“ClassNotFoundException”说明已经走到了最后一步，那么配置是没有问题的
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> <servlet-name>aServlet</servlet-name> <servlet-class>AServlet</servlet-class> </servlet </servlet-class> </servlet> <servlet-mapping> <servlet-name>bServlet</servlet-name> </servlet-class> </servlet> <servlet-mapping> <servlet-name>aServlet</servlet-name> > <servlet-class>BServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name <servlet-name>cServlet</servlet-name> <servlet-class>CServlet</servlet-class> </servlet
>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <! > org.springframework.web.context.request.RequestContextListener </listener-class > <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param >DruidStatView</servlet-name> <servlet-class>com.alibaba.druid.support.http.StatViewServlet</ servlet-class> </servlet> <servlet-mapping> <servlet-name>DruidStatView</servlet-name
</filter-class> <! -- druid监控后台设置--> <servlet> <servlet-name>DruidStatView</servlet-name> <servlet-class>com.alibaba.druid.support.http.StatViewServlet </servlet-class> <! -- 设置springMVC --> <servlet> <servlet-name>spring-mvc</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet </servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <!
<servlet> <servlet-name>springmvc</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet </servlet-class> </servlet> <servlet-mapping> <servlet-name>springmvc</servlet-name> </servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class 在DispatcherServlet 提供了参数来进行改变： <servlet> <servlet-name>springmvc</servlet-name> <servlet-class >org.springframework.web.servlet.DispatcherServlet</servlet-class> <!
有看到一些应用在 web.xml 文件中配置了多个 DispatcherServlet，例如： <servlet> <servlet-name>en</servlet-name> <servlet-class >org.springframework.web.servlet.DispatcherServlet</servlet-class> <load-on-startup>1</load-on-startup > </servlet> <servlet> <servlet-name>ib</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet </servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name </servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
/response2");* } } public class Response2 extends HttpServlet { @Override protected void doGet( > <servlet-name>Response1</servlet-name> <servlet-class>com.servlet.Response1</servlet-class> /url-pattern> </servlet-mapping> <servlet> <servlet-name>Response2</servlet-name> <servlet-class >com.servlet.Response2</servlet-class> </servlet> <servlet-mapping> <servlet-name>Response2</servlet-name > <servlet-name>Response1</servlet-name> <servlet-class>com.servlet.Response1</servlet-class>
继承关系： servlet(interface)->init(),service(),destroy(); ^ genericServlet(abstract class)->与协议无关 ^ httpServlet (abstract class)->实现了http协议 servlet 是一个接口，genericServlet是它的一个抽象实现类，但它没有实现任何的协议，httpServlet是genericServlet -- servlet的名字 --> <servlet-class>servlet.HelloServlet</servlet-class><! -- servlet的名字 --> <servlet-class>servlet.HelloServlet</servlet-class><! <param-value>forezp</param-value> </init-param> </servlet> 在servlet中获取 public class HelloServlet
>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name >org.springframework.web.filter.HiddenHttpMethodFilter</filter-class> </filter> <filter-mapping> <servlet> <servlet-name>springDispatcherServlet</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet </servlet-class> </servlet> <servlet-mapping> <servlet-name>springDispatcherServlet</servlet-name> </servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
(), Class.forName(element.element("servlet-class").getText()).newInstance()); } () ); System.out.println(element.element("servlet-class").getText() ); } } Servelt 抽象类 > <servlet-name>myhtml.html</servlet-name> <servlet-class>com.siyuan.servlet.MyfisrtServlet</ servlet-class> </servlet> <servlet-mapping> <servlet-name>myhtml.html</servlet-name> <url-pattern > <servlet-class>com.siyuan.servlet.ScoendServlet</servlet-class> </servlet> <servlet-mapping
-- servlet名称 --> <servlet-class>com.sihai.servlet.HelloServlet</servlet-class><! -- servlet名称 --> <servlet-class>com.sihai.servlet.HelloServlet</servlet-class><! -- servlet名称 --> <servlet-class>com.sihai.servlet.HelloServlet</servlet-class><! -- servlet名称 --> <servlet-class>com.sihai.servlet.HelloServlet</servlet-class><! -- servlet名称 --> <servlet-class>com.sihai.servlet.HelloServlet</servlet-class><!
/servlet-name> <servlet-class>org.apache.activemq.web.AjaxServlet</servlet-class> < <servlet-class>org.apache.activemq.web.MessageServlet</servlet-class> <load-on-startup>1</load-on-startup -- 异步执行 --> </servlet> <servlet> <servlet-name>QueueBrowseServlet</servlet-name> <servlet-class>org.apache.activemq.web.QueueBrowseServlet</servlet-class> <async-supported -- 异步执行 --> </servlet> <servlet-mapping> <servlet-name>AjaxServlet</servlet-name>
cicada</param-value> </init-param> <servlet-name>servletOneImpl</servlet-name> <servlet-class >com.node02.servlet.impl.ServletOneImpl</servlet-class> </servlet> <servlet-mapping> <servlet-name </servlet-class> </servlet> <servlet-mapping> <servlet-name>servletTwoImpl</servlet-name> <url-pattern 2、代码案例 配置文件 <servlet> <servlet-name>servletThreeImpl</servlet-name> <servlet-class>com.node02 > <servlet-class>com.node02.servlet.impl.ServletFourImpl</servlet-class> </servlet> <servlet-mapping
<servlet-class>com.app.servlet.BasicServletConfig</servlet-class> <init-param> <param-name 与上面的servlet-name 配置进行匹配，匹配得到servlet-class 的全路径名称即是这个Servlet的地址 使用Java代码如何获取上面的配置信息？ <servlet-class>com.app.servlet.BasicServletConfig</servlet-class> <init-param> <servlet-class>com.app.servlet.BasicServletContext</servlet-class> </servlet> <servlet-mapping <servlet-class>com.app.servlet.BasicServletContext2</servlet-class> </servlet> <servlet-mapping
<servlet> <servlet-name>redis</servlet-name> <servlet-class>com.lc.servlet.RedisServlet</servlet-class > </servlet> <servlet-mapping> <servlet-name>redis</servlet-name> <url-pattern>/redis</url-pattern >org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <servlet> <servlet-name>redis</servlet-name> <servlet-class>com.lc.servlet.RedisServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>redis</servlet-name> <url-pattern>/redis</url-pattern
javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; public class --Servlet 的全类名 --> <servlet-class>com.zhenghui.HelloServlet</servlet-class> </servlet> <! --需要和某一个Servlet的servlet-name子节点的文本节点一致 --> <servlet-name>helloServlet</servlet-name> <! --Servlet 的全类名 --> <servlet-class>com.zhenghui.HelloServlet</servlet-class> <! --Servlet 的全类名 --> <servlet-class>com.zhenghui.ceshiServlet</servlet-class> <!
-- demo01 servlet hello start * <servlet> 注册servlet <servlet-name> servlet名称，当前xml中唯一 <servlet-class 要求：必须/开头 --> <servlet> <servlet-name>helloServlet</servlet-name> <servlet-class>cn.com.javahelp.demo01 <servlet-class>cn.com.javahelp.a_servlet.ServletDemo4</servlet-class> </servlet> <servlet-mapping </servlet-class> </servlet> <servlet-mapping> <servlet-name>ServletDemo5</servlet-name> < > <servlet-class>cn.com.javahelp.a_servlet.ServletDemo6</servlet-class> </servlet> <servlet-mapping
> <servlet-name>Servlet1</servlet-name> <servlet-class>com.Servlet1</servlet-class> </servlet <servlet-class>com.Servlet3</servlet-class> </servlet> <servlet> <servlet-name>Servlet4</servlet-name > <servlet-class>com.Servlet4</servlet-class> </servlet> <servlet> <servlet-name>Servlet5 </servlet-name> <servlet-class>com.Servlet5</servlet-class> </servlet> <servlet> <servlet-name >Servlet6</servlet-name> <servlet-class>com.Servlet6</servlet-class> </servlet> <servlet-mapping
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