@Override
            public void onError(Throwable throwable) {
                Status status = Status.fromThrowable(throwable);
                if (Status.CANCELLED.getCode() == status.getCode()) {
                    if (LOGGER.isDebugEnabled()) {
                        LOGGER.debug(throwable.getMessage(), throwable);
                    }
                    return;
                }
                LOGGER.error(throwable.getMessage(), throwable);
            }
gRPC handler of {@link RemoteServiceGrpc}. Continue the distributed aggregation at the current OAP node.
oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/remote/RemoteServiceHandler.java