Struts 2 无法找到Action

Question

郁闷死了，为什么我所有的action都抱着个异常？无语 java.lang.NoSuchMethodException: $Proxy20.searchPlacePos() 
java.lang.Class.getMethod(Class.java:1605) 
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:87) 
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) 
com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122) 
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) 
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:237) 
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:237) 
com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:179) 
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) 
org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75) 
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) 
org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94) 
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) 
org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:235) 
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) 
com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:89) 
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) 
com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:130) 
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) 
org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267) 
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) 
com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:126) 
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) 
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:237) 
com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:165) 
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) 
org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164) 
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) 
com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:179) 
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) 
com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176) 
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) 
org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52) 
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:488) 
org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:395) 
org.apache.struts2.dispatcher.ActionContextCleanUp.doFilter(ActionContextCleanUp.java:102) 

Answer 1

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
    <package name="ktmap" namespace="/map" extends="default">
        <action name="searchPlaces" class="ktMapAction" method="searchPlace">
            <result name="success">/map/searchPlace.jsp</result>
        </action>
        <action name="editPlace" class="ktMapAction" method="editPlace">
            <result name="success">/map/editPlace.jsp</result>
        </action>
        <action name="savePlace" class="ktMapAction" method="savePlace">
            <result name="input">/map/searchPlace.jsp</result>
            <result name="success" type="redirectAction">getMapList.action</result>
        </action>
        <action name="removePlace" class="ktMapAction" method="removePlace">
            <result name="success" type="redirectAction">getMapList.action</result>
        </action>        <action name="searchAreas" class="ktMapAction" method="searchArea">
            <result name="success">/map/searchArea.jsp</result>
        </action>
        <action name="editArea" class="ktMapAction" method="editArea">
            <result name="success">/map/editArea.jsp</result>
        </action>
        <action name="saveArea" class="ktMapAction" method="saveArea">
            <result name="input">/map/editArea.jsp</result>
            <result name="success" type="redirectAction">getMapList.action</result>
        </action>
        <action name="removeArea" class="ktMapAction" method="removeArea">
            <result name="success" type="redirectAction">getMapList.action</result>
        </action>        <action name="searchPlacePosss" class="ktMapAction" method="searchPlacePos">
            <result name="success">/map/searchPlacePos.jsp</result>
        </action>
        <action name="editPlacePos" class="ktMapAction" method="editPlacePos">
            <result name="success">/map/editPlacePos.jsp</result>
        </action>
        <action name="savePlacePos" class="ktMapAction" method="savePlacePos">
            <result name="input">/map/editPlacePos.jsp</result>
            <result name="success" type="redirectAction">getMapList.action</result>
        </action>
        <action name="removePlacePos" class="ktMapAction" method="removePlacePos">
            <result name="success" type="redirectAction">getMapList.action</result>
        </action>
    </package>
</struts>

Answer 2

web.xml片段
<filter>   
        <filter-name>struts2</filter-name>   
        <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>   
    </filter>   
    <filter-mapping>   
        <filter-name>struts2</filter-name>   
        <url-pattern>*.action</url-pattern>   
        <dispatcher>REQUEST</dispatcher>   
        <dispatcher>FORWARD</dispatcher>   
    </filter-mapping>  

Answer 3

struts.xml<?xml version="1.0" encoding="UTF-8" ?>   
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">   
<struts>   
    <constant name="struts.devMode" value="false" />   
    <constant name="struts.i18n.reload" value="true" />   
    <constant name="struts.configuration.xml.reload" value="false" />   
    <constant name="struts.i18n.encoding" value="UTF-8" />   
    <constant name="struts.action.extension" value="action" />   
    <constant name="struts.objectFactory" value="spring" />   
    <constant name="struts.custom.i18n.resources" value="ApplicationResources,errors" />   
    <constant name="struts.multipart.maxSize" value="2097152" />   
    <constant name="struts.ui.theme" value="simple" />   
    <constant name="struts.codebehind.pathPrefix" value="/" />   
    <constant name="struts.serve.static" value="true" />   
    <constant name="struts.serve.static.browserCache" value="false" />   
  
    <package name="default" extends="struts-default">   
        <interceptors>   
            <interceptor-stack name="defaultStack">   
                <interceptor-ref name="exception"/>   
                <interceptor-ref name="alias"/>   
                <interceptor-ref name="servletConfig"/>   
                <interceptor-ref name="i18n"/>   
                <interceptor-ref name="prepare"/>   
                <interceptor-ref name="chain"/>   
                <interceptor-ref name="debugging"/>   
                <interceptor-ref name="scopedModelDriven"/>   
                <interceptor-ref name="modelDriven"/>   
                <interceptor-ref name="fileUpload"/>   
                <interceptor-ref name="checkbox"/>   
                <interceptor-ref name="multiselect"/>   
                <interceptor-ref name="staticParams"/>   
                <interceptor-ref name="actionMappingParams"/>   
                <interceptor-ref name="params">   
                  <param name="excludeParams">dojo\..*,^struts\..*</param>   
                </interceptor-ref>   
                <interceptor-ref name="conversionError"/>   
                <interceptor-ref name="validation">   
                    <param name="excludeMethods">input,back,cancel,browse</param>   
                </interceptor-ref>   
            </interceptor-stack>   
        </interceptors>   
        <default-interceptor-ref name="defaultStack" />   
        <global-exception-mappings>   
            <exception-mapping exception="org.springframework.dao.DataAccessException" result="dataAccessFailure" />   
            <exception-mapping exception="org.springframework.orm.ObjectRetrievalFailureException" result="retrieveEntityFailure" />   
        </global-exception-mappings>   
    </package>   
  
    <include file="struts-map.xml" />   
    <!--    
    <include file="struts-npc.xml" />   
    <include file="struts-player.xml" />   
    -->   
</struts>   问题甚是奇怪了，无论哪个action都是这个500错。如果是404就好了

Answer 4

    <filter-mapping>   
        <filter-name>struts2</filter-name>   
        <url-pattern>/*</url-pattern>     
    </filter-mapping>