错误提示如下Struts Problem Report Struts has detected an unhandled exception: Messages: There is no Action mapped for namespace / and action name sss.
--------------------------------------------------------------------------------Stacktraces There is no Action mapped for namespace / and action name sss. - [unknown location] com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:178) org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:61
Struts has detected an unhandled exception: Messages: There is no Action mapped for namespace / and action name sss.
--------------------------------------------------------------------------------Stacktraces
There is no Action mapped for namespace / and action name sss. - [unknown location]
com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:178)
org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:61
<error-page>
<error-code>404</error-code>
<location>/error404.jsp</location>
</error-page>
<error-page>
<error-code>500</error-code>
<location>/error404.jsp</location>
</error-page>
下面是个简单的缺省 action的例子: 注意 namespace或者干脆不设,或者要设一定要设""
<package name="front" namespace="" extends="core-default">
<default-action-ref name="main" />
<action name="main" >
<result type="chain">
<param name="namespace">/main</param>
<param name="actionName">main</param>
</result>
</action>