e.printStackTrace();
  private static void ExceptionDescribe(int envJREF) {    if (traceJNI) VM.sysWrite("JNI called: ExceptionDescribe  \n");    VM_JNIEnvironment env = VM_Thread.getCurrentThread().getJNIEnv();    try {      Throwable e = env.getException();      if (e != null) {        e.printStackTrace();        env.recordException(null);      }    } catch (Throwable unexpected) {      if (traceJNI) unexpected.printStackTrace(System.err);      env.recordException(null);            // clear old exception and register new one      env.recordException(unexpected);    }  }