} catch (ExecutionException eex) {
            ee = eex;
          } catch (InterruptedException iex) {
            throw iex;
          } catch (Exception rex) { // sneaky checked exception
            ee = new ExecutionException(rex);
          }
        }
      }

      if (ee == null) {
        ee = new ExecutionException(null);
      }
      throw ee;
    } finally {