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# Token Session Interceptor

This interceptor builds off of the Token Interceptor, providing advanced logic for handling invalid tokens. Unlike the normal token interceptor, this interceptor will attempt to provide intelligent fail-over in the event of multiple requests using the same session. That is, it will block subsequent requests until the first request is complete, and then instead of returning the invalid.token code, it will attempt to display the same response that the original, valid action invocation would have displayed if no multiple requests were submitted in the first place.

> NOTE: As this method extends off MethodFilterInterceptor, it is capable of deciding if it is applicable only to selective methods in the action class. See `MethodFilterInterceptor` for more info.

## Parameters

There are no parameters for this interceptor.

## Extending the Interceptor

There are no known extension points for this interceptor.

## Examples

     <action name="someAction" class="com.examples.SomeAction">
         <interceptor-ref name="tokenSession"/>
         <interceptor-ref name="basicStack"/>
         <result name="success">good_result.ftl</result>
     </action>

     <!-- In this case, myMethod of the action class will not
            get checked for invalidity of token -->
     <action name="someAction" class="com.examples.SomeAction">
         <interceptor-ref name="tokenSession">
             <param name="excludeMethods">myMethod</param>
         </interceptor-ref>
         <interceptor-ref name="basicStack"/>
         <result name="success">good_result.ftl</result>
     </action>

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