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Say for example we have a Populating the Action properties and validation are both handled by Interceptors. To ensure that the Action properties are populated regardless of whether validation passes or fails, in the Action's Interceptor Stack, ensure that the prepare} Interceptor comes before the {{validation Interceptor.

  &lt;ww<saf:checkboxlist
      name="selectedOptions"
      list="options"
      listKey="id"
      listValue="name" /&gt; 

If we like to populate options upon validation failure, we could have a prepare interceptor above the validation interceptor in the interceptor stack.

>

   ....
   public void prepare() throws Exception {
      // populate the options property list with options
      // that are supposed to be checked.
   }
   ....