ERROR [Jsr168Dispatcher:38] Could not find action There is no Action mapped for action name default. - [unknown location]

问题

I do have a problem when I run my portlet application, I have this error :

ERROR [Jsr168Dispatcher:38] Could not find action There is no Action mapped for action name default. - [unknown location] 

I'm working with Struts 2.2.1 and Liferay 6.0.6

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>
<constant name="struts.devMode" value="false" />
    <package name="eleve" extends="struts-portlet-default">
        <action name="ajoutereleves">
            <result>/JSPs/eleve/addeleve.jsp</result>
        </action>
        <action name="AddEleveAction" class="com.version.projet.actions.AddEleveAction">
            <interceptor-ref name="jsonValidationWorkflowStack"/>
            <result name="input">/JSPs/eleve/addeleve.jsp</result>
            <result name="error">/JSPs/eleve/addeleve.jsp</result>
            <result>/JSPs/eleve/showseleves.jsp</result>
        </action>
    </package>
</struts>

回答1:

You have not specified the namespace annotation. How to properly map actions to namespaces look at the following documentation for convention plugin.

来源：https://stackoverflow.com/questions/16041504/error-jsr168dispatcher38-could-not-find-action-there-is-no-action-mapped-for