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java.lang.NoSuchMethodException 错误

2024-07-28 07:40:45   219人阅读

报错：

Stacktraces

java.lang.NoSuchMethodException: com.gssw.action.ProAction.update()
    java.lang.Class.getMethod(Class.java:1607)    org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.getActionMethod(AnnotationValidationInterceptor.java:75)    org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:47)    com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:133)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207)    com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207)    com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:190)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:142)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:166)    com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:176)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:190)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187)    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)    org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)    org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:485)    org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)    org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)    org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)    org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)    org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)    org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)    org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)    org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)    org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:877)    org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:594)    org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1675)    java.lang.Thread.run(Thread.java:662)
action代码
package com.gssw.action;import java.util.List; import com.gssw.dao.ProDao;import com.gssw.dao.ProTypeDao;import com.gssw.pojo.Product;import com.gssw.pojo.ProductType;import com.gssw.util.Pager;import com.opensymphony.xwork2.ActionSupport;import com.opensymphony.xwork2.ModelDriven;public class ProAction extends ActionSupport implements ModelDriven<Product>{private static final long serialVersionUID = 1L;private Product pro=new Product();private List<ProductType> proType;private List<Product> pros;private String op;private Pager<Product> proPager=new Pager<Product>();private String pno;@Overridepublic Product getModel() {return pro;}/*	public ProAction() {proType=pto.read();}*///private UserDao udo;private ProDao pdo;private ProTypeDao pto;public String list() throws Exception{proType=pto.read();	//提供总记录数的proPager.setRecordCount(pdo.total());proPager.setPageSize(5);proPager.setPageNo(pno);pros=pdo.read(proPager.getPageNo(), proPager.getPageSize(), "proName desc,proId desc");proPager.setData(pros);proPager.setUrl("pro_list.action");return "list";}public String create(){op="create";return "input";}public String updata(){op="updata";//这里要读一下数据库页面只是返回了一个id的值pro=pdo.read(pro.getProId());return "input";}public String createOrUpdata() throws Exception{System.out.println(pro.toString());if("create".equals(op)){pdo.create(pro);}else if("updata".equals(op)){pdo.update(pro);	}return list();}public String delete() throws Exception{pdo.delete((int) pro.getProId());return list();}//set();get();public List<ProductType> getProType() {return proType;}public void setProType(List<ProductType> proType) {this.proType = proType;}public List<Product> getPros() {return pros;}public void setPros(List<Product> pros) {this.pros = pros;}public String getOp() {return op;}public void setOp(String op) {this.op = op;}public String getPno() {return pno;}public void setPno(String pno) {this.pno = pno;}public Product getPro() {return pro;}public Pager<Product> getProPager() {return proPager;}public void setProPager(Pager<Product> proPager) {this.proPager = proPager;}/* DI */public void setPdo(ProDao pdo) {this.pdo = pdo;}public void setPto(ProTypeDao pto) {this.pto = pto;}}

　　struts.xml

<struts>    <constant name="struts.devMode" value="http://www.mamicode.com/true" />    <!-- 使用最简单主题，防止生成一些不需要的标签 -->    <constant name="struts.ui.theme" value="http://www.mamicode.com/simple" />        <!-- struts2不拦截kindeditor在线编辑器中的jsp -->	<constant name="struts.action.excludePattern" value="http://www.mamicode.com/kindeditor/jsp/.*" />		<!-- spring插件整合Struts2 -->	<constant name="struts.objectFactory" value="http://www.mamicode.com/org.apache.struts2.spring.StrutsSpringObjectFactory" />   	    <package name="default" namespace="/" extends="struts-default">       <default-action-ref name="default" />               	<global-results>    		<result name="login" type="redirect">/admin/login.jsp</result>    		<result name="index">/index.jsp</result>    		    	</global-results>    	      	<action name="log*" class="logopaction" method="log{1}">       		<result name="reindex" type="redirect">/admin/pro_list.action</result>       		<result name="input">/admin/login.jsp</result>       	</action>       	<action name="pro_*" class="proaction" method="{1}">    		<result name="list">/admin/pages/dept/list.jsp</result>    		<result name="input">/admin/pages/dept/${op}.jsp</result>    	</action>       	    	<action name="default">    		<result type="redirect">/admin/login.jsp</result>    	</action>    	    </package></struts>

　　update.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"    pageEncoding="UTF-8"%><%@ taglib uri="http://java.sun.com/jsp/jstl/core"  prefix="c"%><%@ taglib uri="/struts-tags" prefix="s" %><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title><style type="text/css">    #error { color: red; }</style></head><body>    <div id="content">        <h1 class="title">修改产品</h1>        <div id="error">            <c:forEach items="${errors }" var="error">                <li>${error.value[0] }</li>            </c:forEach>        </div>        <div id="input">            <form method="post" action="pro_createOrUpdate.action">                <input type="hidden" name="op" value="http://www.mamicode.com/update">                <input type="hidden" name="proId" value="http://www.mamicode.com/${pro.proId }">                <ul>                    <li>                        <label>proName</label>                        <input type="text" name="proName" value="http://www.mamicode.com/${pro.proName }">                    </li>                    <li>                        <label>proPrice</label>                        <input type="text" name="proPrice" value="http://www.mamicode.com/${pro.proPrice }">                    </li>                    <li>                        <label>proNum</label>                        <input type="text" name="proNum" value="http://www.mamicode.com/${pro.proNum }">                    </li>                                        <li>                        <input type="submit" value="http://www.mamicode.com/保存">                        <input type="button" value="http://www.mamicode.com/取消" onclick="location.href=http://www.mamicode.com/‘pro_list.action‘">                    </li>                </ul>            </form>        </div>    </div>    </body></html>

 

java.lang.NoSuchMethodException 错误


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