yujian225 opened a new issue, #4912: URL: https://github.com/apache/seatunnel/issues/4912
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/seatunnel/issues?q=is%3Aissue+label%3A%22bug%22) and found no similar issues. ### What happened st2.3.1中的sink.label-prefix = "label"，里面的label必须每次手动指定，所以需要用st的传参。但是根据文档中的方式传参有问题，不能实现。 ### SeaTunnel Version seatunnel2.3.1 ### SeaTunnel Config ```conf env { job.mode = "BATCH" execution.parallelism = 1 } source { Jdbc { url = "jdbc:mysql:// :3306/demo?serverTimezone=GMT%2b8" driver = "com.mysql.cj.jdbc.Driver" connection_check_timeout_sec = 100 user = "root" password = " @" query = "SELECT id,p_name,create_time FROM user_cdc" } } transform { } sink { Doris { fenodes = " :8030" username = root password = "@" table.identifier = "doris_demo.user_cdc" sink.enable-2pc = "true" sink.label-prefix = "a_${label}" doris.config = { format="json" read_json_by_line="true" } } } ``` ### Running Command ```shell ./bin/seatunnel.sh --config test -e local -i label=test3 ``` ### Error Exception ```log Caused by: org.apache.seatunnel.connectors.doris.exception.DorisConnectorException: ErrorCode:[Doris-01], ErrorDescription:[stream load error] - stream load error: [ANALYSIS_ERROR]errCode = 2, detailMessage = Label format error. regex: ^[-_A-Za-z0-9]{1,128}$, label: a_${label}_0_1, see more in null at org.apache.seatunnel.connectors.doris.sink.writer.DorisSinkWriter.prepareCommit(DorisSinkWriter.java:140) at org.apache.seatunnel.engine.server.task.flow.SinkFlowLifeCycle.received(SinkFlowLifeCycle.java:158) ... 15 more at org.apache.seatunnel.engine.client.job.ClientJobProxy.waitForJobComplete(ClientJobProxy.java:119) at org.apache.seatunnel.core.starter.seatunnel.command.ClientExecuteCommand.execute(ClientExecuteCommand.java:174) ... 2 more 2023-06-12 09:59:57,210 INFO org.apache.seatunnel.core.starter.seatunnel.command.ClientExecuteCommand - run shutdown hook because get close signal ``` ### Flink or Spark Version _No response_ ### Java or Scala Version _No response_ ### Screenshots  ### 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]
