JNI: NoSuchFieldError

Question

Output of: javap -s SomeClass

public org.someapp.SomeClass$_data data;
  Signature: Lorg/someapp/SomeClass$_data;

Definition of SomeClass i

Answer 1

I have a feeling that "Lorg/someapp/SomeClass$_data" should be "Lorg/someapp/SomeClass$_data;". Note the semicolon.