stackoverflow when serializing an object with list

I met stackoverflow when pass an object with arraylist, code is as blew:

  List<SerializablePerson> list = new ArrayList<SerializablePerson>();

        list.add(new SerializablePerson());
        list.add(new SerializablePerson());
        list.add(new SerializablePerson());

       PersonList obj = new PersonList(list);

       Schema schema = RuntimeSchema.getSchema(obj.getClass());
// both two toByteArray method will cause stackoverflow.
       bytes = GraphIOUtil.toByteArray(obj, schema, buffer);
       bytes = ProtobufIOUtil.toByteArray(obj, schema, buffer);
       classNameBytes = obj.getClass().getName().getBytes();

Was it wrong about the usage?

[dyu]

Since that is an inner class, mark it static: private static class LocalTimeList That test will now pass.

[Moriadry-zz]

Thanks!