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绿草 v1.8.1 日志

[2019-08-02T03:30:28.743-04:00][WARN]-MQTT[client]   dial tcp: lookup a1ijl5s1n8kf6a-ats.iot.us-east-1.amazonaws.com on 127.0.0.53:53: read udp 127.0.0.1:49567->127.0.$

[2019-08-02T03:30:28.743-04:00][WARN]-MQTT[client]   Failed to connect to a broker

[2019-08-02T03:30:39.74-04:00][WARN]-MQTT[store]    Trying to close memory store, but not open

[2019-08-02T03:30:39.74-04:00][WARN]-MQTT connection attempt failed and will be retried.        {"attemptId": "nVwA", "clientId": "YoungsoftIoTGroup_Core", "errorStrin$
[2019-08-02T03:30:59.742-04:00][WARN]-MQTT[client]   dial tcp: lookup a1ijl5s1n8kf6a-ats.iot.us-east-1.amazonaws.com on 127.0.0.53:53: read udp 127.0.0.1:49845->127.0.$

[2019-08-02T03:30:59.742-04:00][WARN]-MQTT[client]   Failed to connect to a broker

[2019-08-02T03:31:10.741-04:00][WARN]-MQTT[store]    Trying to close memory store, but not open

[2019-08-02T03:31:10.741-04:00][WARN]-MQTT connection attempt failed and will be retried.       {"attemptId": "BAxL", "clientId": "YoungsoftIoTGroup_Core", "errorStrin$
[2019-08-02T03:31:30.742-04:00][WARN]-MQTT[client]   dial tcp: lookup a1ijl5s1n8kf6a-ats.iot.us-east-1.amazonaws.com on 127.0.0.53:53: read udp 127.0.0.1:39151->127.0.$

[2019-08-02T03:31:30.742-04:00][WARN]-MQTT[client]   Failed to connect to a broker

[2019-08-02T03:31:41.741-04:00][WARN]-MQTT[store]    Trying to close memory store, but not open

[2019-08-02T03:31:41.741-04:00][WARN]-MQTT connection attempt failed and will be retried.       {"attemptId": "mQbd", "clientId": "YoungsoftIoTGroup_Core", "errorStrin$
[2019-08-02T03:32:03.742-04:00][WARN]-MQTT[client]   dial tcp: lookup a1ijl5s1n8kf6a-ats.iot.us-east-1.amazonaws.com on 127.0.0.53:53: read udp 127.0.0.1:46991->127.0.$

[2019-08-02T03:32:03.742-04:00][WARN]-MQTT[client]   Failed to connect to a broker

[2019-08-02T03:32:14.741-04:00][WARN]-MQTT[store]    Trying to close memory store, but not open

[2019-08-02T03:32:14.741-04:00][WARN]-MQTT connection attempt failed and will be retried.       {"attemptId": "UDaF", "clientId": "YoungsoftIoTGroup_Core", "errorStrin$
[2019-08-02T03:32:41.743-04:00][WARN]-MQTT[client]   dial tcp: lookup a1ijl5s1n8kf6a-ats.iot.us-east-1.amazonaws.com on 127.0.0.53:53: read udp 127.0.0.1:56790->127.0.$

我的操作系统是 Ubuntu 18.04。我使用了 AWS IoT greengrass v1.8.1。

我按照README.md每个包中的说明逐步设置和安装。所有 lambdas 都无法连接我创建的 AWS greengrass 组。

这一切都在工作，突然遇到了这个问题。

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