Now, when I call my service, I am getting this error:
500 500 The call failed on the server; see server log for details

Here is the code in my service:
  public Puzzle getPuzzle(String category) {
    try {
      Puzzle puzzle =
(Puzzle)FileUtil.deSerialize(PathUtil.PUZZLES_DIR+"/DiagonalSlitherlink/Ch
allenging/DiagonalSlitherlink-00001-3.ser");
      LogManager.getLogger(getClass()).warn("Loaded puzzle "+puzzle);
      return puzzle;
    } catch( Exception e ) {
      LogManager.getLogger(getClass()).error(e);
      return null;
    }
  }

My server log has this:
WARN: Loaded puzzle
com._3dmathpuzzles.slitherlink.RectangularWithDiagonalsPuzzle@3f8ef4a0

The only code after that line is the return.

Does GWT not like that I am returning a subclass which is referenced by a
superclass reference?

Thank you,
  Neil

--
Neil Aggarwal, (972) 834-1565, http://www.propfinancing.com
We offer 30 year loans on single family houses!

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