Method onError

stub/src/main/java/io/grpc/stub/StreamObserver.java:79–79

Receives a terminating error from the stream. May only be called once and if called it must be the last method called. In particular if an exception is thrown by an implementation of onError no further calls to any method are allowed. t should be a {@link io.grpc.StatusExcept

(Throwable t)

   * @param t the error occurred on the stream
   */
  void onError(Throwable t);

  /**
   * Receives a notification of successful stream completion.