How to use

genStackTrace

method

in

java.lang.Throwable

private void fillInStackTrace(int dummy) {
  if (thrown) {
    genStackTraceFromError();
  } else {
    genStackTrace();
  }
  setStackTrace(getStackTraceInternal());
}

public StackTraceElement[] getStackTrace() {
  genStackTrace();
  return this.getStackTraceLazy().clone();
}