// perhaps this is a V0 Create
if (hdr.getType() == OpCode.create) {
CreateTxn create = (CreateTxn)txn;
bais.reset();
CreateTxnV0 createv0 = new CreateTxnV0();
createv0.deserialize(ia, "txn");
// cool now make it V1. a -1 parentCVersion will
// trigger fixup processing in processTxn
create.setPath(createv0.getPath());
create.setData(createv0.getData());
create.setAcl(createv0.getAcl());