kqkdChen opened a new issue #1446:
URL: https://github.com/apache/incubator-iotdb/issues/1446
一、我修改了root用户密码，并且重启了server
二、使用 python paho mqtt 插入数据时，没有设置用户名和密码相关参数
三、但是我仍然成功的插入了数据 **-_-!!!**
iotdb version: 0.10.0
paho mqtt: 1.5.0 (pip install paho-mqtt)
代码如下：
```python
from time import *
import paho.mqtt.publish as publish
def timestamp():
return int(round(time() * 1000))
def single(tx_id: str, log_type: str, log_content: str, hostname: str =
"192.168.3.181", port: int = 1883):
device_id = "root.log.%s" % tx_id
payload = "{\n" "\"device\":\"%s\",\n" "\"timestamp\":%d,\n"
"\"measurements\":[\"type\",\"content\"],\n" "\"values" \
"\":[\"%s\",\"%s\"]\n" "}" % (device_id, timestamp(),
log_type, log_content)
publish.single(topic=device_id, payload=payload, hostname=hostname,
port=port)
if __name__ == '__main__':
type_list = ["INFO", "WARNING", "ERROR"]
content_list = ["自动上报: 组件不完整", "日志同步", "命令长度校验失败", "配置参数有误"]
begin_time = time()
for i in range(10):
single("1411111111", type_list[i % len(type_list)], content_list[i %
len(content_list)])
end_time = time()
run_time = end_time - begin_time
print('该循环程序运行时间：', run_time)
```
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