Let's not forget that it's modified UTF-8[1] you get back from JNI lest you think that you'll be able to use the buffer as-is. [1] https://docs.oracle.com/java

Let's not forget that it's modified UTF-8[1] you get back from JNI lest you think that you'll be able to use the buffer as-is. [1] https://docs.oracle.com/javase/10/docs/specs/jni/types.html#modified-utf-8-strings https://docs.oracle.com/javase/10/docs/specs/jni/types.html#...