TokenHelper - 找不到映射到令牌名称 struts.token 的令牌 [英] TokenHelper - Could not find token mapped to token name struts.token

问题描述

如果我添加了 "execAndWait" 拦截器，它会给我上面的错误:

If I add the "execAndWait" interceptor, it gives me the above error:

TokenHelper - Could not find token mapped to token name struts.token

配置:

<action name="flightsearch" method="getFlightResult"
    class="com.test.FlightSearchAction">

    <interceptor-ref name="execAndWait">
        <param name="delay">500</param>
        <param name="delaySleepInterval">500</param>
    </interceptor-ref>
    <!--  <interceptor-ref name="token">
        <param name="excludeMethods">getFlightResult</param>
    </interceptor-ref> -->
    <result name="wait" type="tiles">flightwait</result>
    <result name="success" type="tiles">flightsearchresult</result>
</action>

<interceptors>
    <interceptor-stack name="tokenCheck">
        <interceptor-ref name="token" />
        <interceptor-ref name="defaultStack" />
        <interceptor-ref name="basicStackHibernate" />
    </interceptor-stack>

    <interceptor-stack name="loggingRequired">
        <interceptor-ref name="defaultStack" />
        <interceptor-ref name="basicStackHibernate" />
    </interceptor-stack>

</interceptors>

正如我所读到的，有人说这是一个警告，我们可以通过更改 TokenHelper 类来避免它.如果是这样怎么办?

As I have read, some says this is an warning, and we can avoid it by changing the TokenHelper class. If so how to do that?

推荐答案

此警告仅在 ActionContext 包含参数 token 时出现.在 execAndWait 拦截器之前移除这个参数.

This warning appears only if ActionContext contains the parameter token. Remove this parameter before the execAndWait interceptor.

ActionContext.getContext().getParameters().remove("token");

顺便说一句，execAndWait 拦截器应该在 completeStack 之后启动.例如

BTW, the execAndWait interceptor should start after the completeStack. For example

<action name="someAction" class="com.examples.SomeAction">
    <interceptor-ref name="completeStack"/>
    <interceptor-ref name="execAndWait"/>
    <result name="wait">wait.jsp</result>
    <result name="success">success.jsp</result>
</action>

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