BruceMaa opened a new issue, #12088: URL: https://github.com/apache/dolphinscheduler/issues/12088
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/dolphinscheduler/issues?q=is%3Aissue) and found no similar issues. ### What happened dolphinscheduelr deploy in k8s. 1. Create a sql task in workflow definition - Datasource types: MYSQL - SQL_TYPE: Query - Send Email: Enable 2. After start the workflow definition, no email receive, no ERROR in task log. ### What you expected to happen receive the Email ### How to reproduce 1. Create a sql task in workflow definition - Datasource types: MYSQL - SQL_TYPE: Query - Send Email: Enable 2. After start the workflow definition, no email receive, no ERROR in task log. find ERROR in log of the worker server ``` [WARN] 2022-09-21 13:15:48.196 +0800 org.apache.dolphinscheduler.remote.NettyRemotingClient:[368] - [WorkflowInstance-3179][TaskInstance-30336] - connect to Host{address='localhost:50052', ip='localhost', port=50052} error io.netty.channel.AbstractChannel$AnnotatedConnectException: finishConnect(..) failed: Connection refused: localhost/127.0.0.1:50052 Caused by: java.net.ConnectException: finishConnect(..) failed: Connection refused at io.netty.channel.unix.Errors.throwConnectException(Errors.java:124) at io.netty.channel.unix.Socket.finishConnect(Socket.java:251) at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.doFinishConnect(AbstractEpollChannel.java:673) at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.finishConnect(AbstractEpollChannel.java:650) at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.epollOutReady(AbstractEpollChannel.java:530) at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:465) at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:378) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at java.lang.Thread.run(Thread.java:750) [ERROR] 2022-09-21 13:15:48.196 +0800 org.apache.dolphinscheduler.service.alert.AlertClientService:[116] - [WorkflowInstance-3179][TaskInstance-30336] - sync alert send error org.apache.dolphinscheduler.remote.exceptions.RemotingException: connect to : Host{address='localhost:50052', ip='localhost', port=50052} fail at org.apache.dolphinscheduler.remote.NettyRemotingClient.sendSync(NettyRemotingClient.java:257) at org.apache.dolphinscheduler.service.alert.AlertClientService.sendAlert(AlertClientService.java:111) at org.apache.dolphinscheduler.service.alert.AlertClientService.sendAlert(AlertClientService.java:93) at org.apache.dolphinscheduler.server.worker.runner.TaskExecuteThread.sendAlert(TaskExecuteThread.java:240) at org.apache ``` ### Anything else _No response_ ### Version 3.0.0 ### Are you willing to submit PR? - [X] Yes I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
