code: @Deprecated
      public <T> Exception onRunError(HystrixCommand<T> commandInstance, Exception e) {
          // pass-thru by default
          return e;
      }
docs: DEPRECATED: Change usages of this to {@link #onExecutionError}
  
  Invoked after failed execution of {@link HystrixCommand#run()} with thrown Exception.
  
  @param commandInstance
  The executing HystrixCommand instance.
  @param e
  Exception thrown by {@link HystrixCommand#run()}
  @return Exception that can be decorated, replaced or just returned as a pass-thru.
  
  @since 1.2