问题描述
我正在尝试运行我的 struts 应用程序,但我收到错误操作未映射我已经看到命名空间是正确的,但仍然收到错误?
I am trying to run my struts application but I am getting a error action is not mapped I have seen the namespace it is correct but still getting the error?
struts.xml:
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://www.51sjk.com/Upload/Articles/1/0/333/333651_20221021153754958.dtd"> <struts> <constant name="struts.enable.DynamicMethodInvocation" value="false" /> <constant name="struts.devMode" value="false" /> <include file="register.xml"/> <!-- Add packages here --> </struts>
还有我的register.xml:
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://www.51sjk.com/Upload/Articles/1/0/333/333651_20221021153754958.dtd"> <struts> <package name="register" namespace="/" extends="struts-default"> <action name="Register" class="com.struts2.RegisterAction"> <result name="input">/register.jsp</result> <result type="redirectAction">register.jsp</result> </action> <!-- Add actions here --> </package> </struts>
我正在验证我的注册页面和验证 XML,如下所示
I am validating my register page and the validation XML as follows
RegisterAction-validation.xml:
<!DOCTYPE validators PUBLIC "-//OpenSymphony Group//XWork Validator 1.0.2//EN" "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd"> <validators> <field name="username"> <field-validator type="requiredstring"> <message key="requiredstring"/> </field-validator> </field> <field name="password"> <field-validator type="requiredstring"> <message key="requiredstring"/> </field-validator> <field-validator type="stringlength"> <param name="minLength">6</param> <param name="trim">true</param> <message key="requiredpassword"/> </field-validator> </field> <field name="email"> <field-validator type="requiredstring"> <message key="requiredstring"/> </field-validator> <field-validator type="email"> <message key="requiredemail"/> </field-validator> </field> <field name="gender"> <field-validator type="requiredstring"> <message key="requiredstring"/> </field-validator> </field> <field name="postalcode"> <field-validator type="requiredstring"> <message key="requiredstring"/> </field-validator> <field-validator type="regex"> <param name="expression"><![CDATA[^d*$]]></param> <message key="requiredinteger"/> </field-validator> </field> </validators>
而我的register.jsp如下:
<%@ page contentType="text/html; charset=UTF-8" %> <%@ taglib prefix="s" uri="/struts-tags" %> <html> <head> <title>Validation Struts page</title> <s:head/> </head> <body> <s:form action="Register"> <s:textfield key="username"/> <s:password key="password" /> <s:textfield key="email" /> <s:select headerKey="" headerValue="Select Gender" key="gender" list="#{'M':'Male','F':'Female'}" /> <s:textfield key="postalcode" /> <s:submit/> </s:form> </body> </html>
我的项目结构如下:
Strutsvalidation --src--> com.struts2(package)--> register.xml, registeraction-validation.xml, javaclasses, struts.xml --webcontent--> web-inf--> web.xml register.jsp(in web content)
我收到如下错误?
There is no Action mapped for action name Register. - [unknown location] at com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:185) at org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:63) at org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:37) at com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:58) at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:552) at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77) at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Unknown Source)
推荐答案
这个配置错误
<result type="redirectAction">register.jsp</result>
使用
<result>/register.jsp</result>
redirectAction 结果应该用于重定向到用于定位的动作.
The redirectAction result should be used to redirect to the action, which name is used for location.
异常来自您尝试提交时的 s:form 标记.Register 动作实际上封装在命名空间 / 中.这不是默认命名空间,因此应该在 s:form 标签上使用.
The exception comes from the s:form tag when you tried to submit it. The action Register actually packaged in namespace /. This not a default namespace and therefore should be used on the s:form tag.
<s:form namespace="/" action="Register">