tion_class-method" class="method-detail ">
          <a name="method-c-add_exception_class"></a>

          
          <div class="method-heading">
            <span class="method-name">add_exception_class</span><span
              class="method-args">(app_name,exception_class)</span>
            <span class="method-click-advice">click to toggle source</span>
          </div>
          

          <div class="method-description">
            
            <p>This method is used to check the existance of exce