riritack

我按照文档在flink中配置了classloader.resolve-order: parent-first 为啥执行sql还是会有一下错误： 2021-08-26 01:20:05 org.apache.flink.streaming.runtime.tasks.StreamTaskException: Cannot instantiate user function. at org.apache.flink.streaming.api.graph.StreamConfig.getStreamOperatorFactory(StreamConfig.java:333) at org.apache.flink.streaming.runtime.tasks.OperatorChain.(OperatorChain.java:145) at org.apache.flink.streaming.runtime.tasks.StreamTask.beforeInvoke(StreamTask.java:517) at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:573) at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:755) at org.apache.flink.runtime.taskmanager.Task.run(Task.java:570) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.ClassCastException: cannot assign instance...

If i set auto-start = false, How do I manually consume information

1

If i set auto-start = false, How do I manually consume information？

[Bug] MQTT cant use new user except root!!

2

### Search before asking - [X] I searched in the [issues](https://github.com/apache/iotdb/issues) and found nothing similar. ### Version 1.2.* ### Describe the bug and provide the minimal reproduce step when create...