@Override
  public Object fromData(DataInput in) throws IOException, ClassNotFoundException {
    throw new RuntimeException("Did not expect fromData to be called");
  }
This data serializer can be created locally but remote members who call the default constructor
will
fail.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/tier/sockets/DataSerializerPropagationDUnitTest.java