rocketmq5.0消费者启动报错provider.newPushConsumerBuilder().buil

@EnableDiscoveryClient
@EnableFeignClients
@SpringBootApplication
public class  OrganizationApplication {
    public static void main(String[] args) throws InterruptedException, IOException, ClientException, ClientException {
        SpringApplication.run(OrganizationApplication.class, args);

        final ClientServiceProvider provider = ClientServiceProvider.loadService();

        // Credential provider is optional for client configuration.
        String accessKey = "";
        String secretKey = "";

        String endpoints = "192.168.1.46:8081";
        ClientConfiguration clientConfiguration = ClientConfiguration.newBuilder()
                .setEndpoints(endpoints)
                .build();
        String tag = "";
        FilterExpression filterExpression = new FilterExpression(tag, FilterExpressionType.TAG);
        String consumerGroup = "please_rename_unique_group_name_4";
        String topic = "VENDING_DEVICE_TOPIC";
        PushConsumer pushConsumer = provider.newPushConsumerBuilder()
                .setClientConfiguration(clientConfiguration)
                // Set the consumer group name.
                .setConsumerGroup(consumerGroup)
                // Set the subscription for the consumer.
                .setSubscriptionExpressions(Collections.singletonMap(topic, filterExpression))
                .setMessageListener(messageView -> {
                    // Handle the received message and return consume result.
                    ByteBuffer body = messageView.getBody();
                    String resultJson = StandardCharsets.UTF_8.decode(body).toString();
                    System.out.println("消息监听"+resultJson);
                    return ConsumeResult.SUCCESS;
                })
                .build();
    }
}

https://developer.aliyun.com/ask/480595?spm=5176.21213303.J_6704733920.10.795953c9ALCbGh&scm=20140722.S_community%40%40%E9%97%AE%E7%AD%94%40%40480595._.ID_community%40%40%E9%97%AE%E7%AD%94%40%40480595-RL_PushConsumerImpl-LOC_main-OR_ser-V_2-P0_1

这里有个同样的问题呢，我看到有人回答了：

根据错误信息来看的话，首先来看最明显的错误信息java.lang.NullPointerException，在PushConsumerImpl.java类的190行报空指针异常，也就是程序在执行PushConsumerImpl.shutDown()的时候报空指针，那么首先你检查一下PushConsumerImpl对象是否为空，debug排查程序中什么操作导致PushConsumerImpl对象为空。

如果没有解决问题，能不能把代码段po一下看看呢？