@Override
public void readFields(DataInput in) throws IOException {
String libDeps = in.readUTF();
Plugins.loadAllLibraries(libDeps);
String className = in.readUTF();
_is = pp.InputSplit.create(className);
int length = in.readInt();
byte[] data = new byte[length];
// System.out.printf("Java read data length: %d\n", length);
in.readFully(data);
_is.readFields(data);
}
