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gistfile1.java

    } catch (NullPointerException e) {
      throw npe(e, " of "+schema.getFullName());
    }
  }

  /** Helper method for adding a message to an NPE. */
  protected NullPointerException npe(NullPointerException e, String s) {
    NullPointerException result = new NullPointerException(e.getMessage()+s);
    result.initCause(e.getCause() == null ? e : e.getCause());
    return result;
  }