TYJ0716 opened a new issue, #1899: URL: https://github.com/apache/incubator-seatunnel/issues/1899
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/incubator-seatunnel/issues?q=is%3Aissue+label%3A%22bug%22) and found no similar issues. ### What happened In version 2.1.1, when I use druid as my data source, THE Plugin for DruidSource cannot be found ### SeaTunnel Version 2.1.1 ### SeaTunnel Config ```conf env { # You can set flink configuration here execution.parallelism = 1 #execution.checkpoint.interval = 10000 #execution.checkpoint.data-uri = "hdfs://localhost:9000/checkpoint" } source { DruidSource{ jdbc_url = "jdbc:avatica:remote:url=http://localhost:8082/druid/v2/sql/avatica/"; datasource = "WorkflowMetrics" start_date = "2021-00-00 00:00:00" end_date = "2021-12-21 23:59:59" columns = ["counter","countryId"] } } sink { ConsoleSink {} # If you would like to get more information about how to configure seatunnel and see full list of output plugins, # please go to https://seatunnel.apache.org/docs/flink/configuration/sink-plugins/Console } ``` ### Running Command ```shell ./bin/start-seatunnel-flink.sh --config ./config/flink_druid_to_console ``` ### Error Exception ```log The program finished with the following exception: org.apache.flink.client.program.ProgramInvocationException: The main method caused an error: java.lang.ClassNotFoundException: Plugin class not found by name :[DruidSource] at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:372) at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:222) at org.apache.flink.client.ClientUtils.executeProgram(ClientUtils.java:114) at org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:812) at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:246) at org.apache.flink.client.cli.CliFrontend.parseAndRun(CliFrontend.java:1054) at org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:1132) at org.apache.flink.runtime.security.contexts.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:28) at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1132) Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: Plugin class not found by name :[DruidSource] at org.apache.seatunnel.config.PluginFactory.lambda$createPlugins$0(PluginFactory.java:96) at java.util.ArrayList.forEach(ArrayList.java:1257) at org.apache.seatunnel.config.PluginFactory.createPlugins(PluginFactory.java:90) at org.apache.seatunnel.config.ExecutionContext.<init>(ExecutionContext.java:52) at org.apache.seatunnel.command.flink.FlinkTaskExecuteCommand.execute(FlinkTaskExecuteCommand.java:47) at org.apache.seatunnel.command.flink.FlinkTaskExecuteCommand.execute(FlinkTaskExecuteCommand.java:39) at org.apache.seatunnel.Seatunnel.run(Seatunnel.java:48) at org.apache.seatunnel.SeatunnelFlink.main(SeatunnelFlink.java:27) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:355) ... 8 more Caused by: java.lang.ClassNotFoundException: Plugin class not found by name :[DruidSource] at org.apache.seatunnel.config.PluginFactory.createPluginInstanceIgnoreCase(PluginFactory.java:132) at org.apache.seatunnel.config.PluginFactory.lambda$createPlugins$0(PluginFactory.java:92) ... 20 more ``` ### Flink or Spark Version Flink 1.13.5 ### Java or Scala Version 1.8.0_181 ### Screenshots  ### Are you willing to submit PR? - [ ] 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]
