实际上，我正在致力于在在线考试项目上实现 Struts Spring 和 Hibernate 集成。但是当我在 JSP 页面中提交值时，它会抛出以下错误：
Struts 问题报告
Struts has detected an unhandled exception:
Messages:
No result defined for action onlineexam.action.RegistrationAction and result
success
堆栈跟踪
No result defined for action onlineexam.action.RegistrationAction and result success
com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:363)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:265)
com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:163)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:251)
org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:148)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:235)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:89)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:128)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:126)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:138)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:164)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:128)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:488)
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:243)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1852)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
java.lang.Thread.run(Thread.java:724)
我已附加 RegistrationAction.java 如下
注册操作.java
public class RegistrationAction extends ActionSupport {
private UserRegistrationService userRegistrationService;
public UserRegistrationService getUserRegistrationService() {
return userRegistrationService;
}
public void setUserRegistrationService(
UserRegistrationService userRegistrationService) {
this.userRegistrationService = userRegistrationService;
}
private String first_Name;
private String last_Name;
private String emailid;
private String passWord;
private String Gender;
private int dateofbirth;
private int phoneNo;
private float user_experience;
@ManyToOne(fetch=FetchType.LAZY, targetEntity=UserDetails.class)
@JoinColumn(name="user_id")
private int user_id;
private String addr_line1;
private String addr_line2;
private String addr_line3;
private String city;
private int zipcode;
private String state;
private String country;
public RegistrationAction() {
}
// generated getters and setters
public String SaveUserDetails() {
String forward = "SUCCESS";
try {
UserDetails s = new UserDetails();
s.setFirst_name(getFirst_Name());
s.setLast_name(getLast_Name());
s.setEmail(getEmailid());
s.setPassword(getPassWord());
s.setGender(getGender());
s.setDob(getDateofbirth());
s.setPhone(getPhoneNo());
s.setExperience(getUser_experience());
Set<UserAddress> address = new HashSet<UserAddress>(0);
setUserAddress(address);
userRegistrationService.saveUserRegistration(s);
} catch (Exception ex) {
forward = "ERROR";
}
return forward; }
protected void setUserAddress(Set<UserAddress> address) throws Exception {
UserAddress ad = new UserAddress();
ad.setAddr_line1(getAddr_line1());
ad.setAddr_line2(getAddr_line2());
ad.setAddr_line3(getAddr_line3());
ad.setCity(getCity());
ad.setZipcode(getZipcode());
ad.setState(getState());
ad.setCountry(getCountry());
address.add(ad); }
}
MainLayout.jsp
<%@ taglib uri="tiles-jsp.tld" prefix="tiles"%>
<%@ taglib uri="struts-tags.tld" prefix="struts"%>
<html>
<head>
<meta HTTP-EQUIV="Content-Type" content="text/html" charset="ISO-8859-1">
<title>ISAS:<tiles:insertAttribute name="title"/></title>
<style type="text/css">
</style>
</head>
<body>
<!-- Header -->
<tiles:insertAttribute name="header" ignore="true"/>
<!-- Page Header -->
<div class="noprint">
<table>
<tr valign="top">
<td width=10px></td>
<td vAlign=top width="99%">
<div>
<span><tiles:insertAttribute name="pageHeading"/></span>
</div>
</td>
</tr>
</table>
</div>
<!-- Navigation -->
<div>
<table>
<tr>
<td vAlign=top align="center" width="100%">
<tiles:insertAttribute name="nav" ignore="true"/>
</td>
</tr>
</table>
</div>
<!-- Body Content -->
<table>
<tbody>
<tr>
<td width=10px></td>
<td vAlign=top align="center" width="99%">
<tiles:insertAttribute name="content" ignore="true"/>
</td>
</tr>
</tbody>
</table>
<table>
<tbody>
<tr>
<td vAlign=top align="center" width="99%">
<br>
</td>
</tr>
</tbody>
</table>
<!-- Footer -->
<tiles:insertAttribute name="footer" ignore="true"/>
</body>
</html>
我不知道问题出在哪里。运行此程序时，它不会在 mysql 数据库中插入值...我对这个主题很陌生...请帮助我朋友...无论如何，提前感谢朋友...！！！
这是错误的：String forward = "SUCCESS";
正确的字符串是“成功”;
String forward = "success";
并且，由于您正在扩展 ActionSupport，因此您可以使用常量 SUCCESS 来防止将来出现语法错误。
String forward = SUCCESS;
Struts.xml 中必须存在相同的映射。如果你把“SUCCESS”放在Struts.xml中，去改变它，以防止未来的麻烦......
P.S：与“错误”相同，应该是“错误”。
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