peacewong opened a new issue, #1865: URL: https://github.com/apache/incubator-linkis/issues/1865
### Search before asking - [X] I searched the [issues](https://github.com/apache/incubator-linkis/issues) and found no similar issues. ### Linkis Component linkis-cg-engineConnplugin ### What happened + What you expected to happen Now the error thrown by ecp is correct, it will print ecp does not exist exception, as follows: 现在ecp抛出的错误时正确的，会打印ecp不存在异常，如下： ``` Caused by: org.apache.linkis.manager.engineplugin.common.exception.EngineConnPluginNotFoundException: errCode: 70063 ,desc: No plugin found shell-1, please check your configuration ,ip: bdpujes110003 ,port: 9103 ,serviceKind: linkis-cg-engineplugin at org.apache.linkis.manager.engineplugin.manager.loaders.DefaultEngineConnPluginLoader.loadEngineConnPluginInternal(DefaultEngineConnPluginLoader.java:173) ~[linkis-engineconn-plugin-loader-1.1.1-webank.jar:1.1.1-webank] at org.apache.linkis.manager.engineplugin.cache.GuavaEngineConnPluginCache.lambda$get$2(GuavaEngineConnPluginCache.java:122) ~[linkis-engineconn-plugin-cache-1.1.1-webank.jar:1.1.1-webank] at com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4853) ~[guava-30.0-jre.jar:?] at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3529) ~[guava-30.0-jre.jar:?] at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2278) ~[guava-30.0-jre.jar:?] at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2155) ~[guava-30.0-jre.jar:?] at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2045) ~[guava-30.0-jre.jar:?] at com.google.common.cache.LocalCache.get(LocalCache.java:3951) ~[guava-30.0-jre.jar:?] at com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4848) ~[guava-30.0-jre.jar:?] at org.apache.linkis.manager.engineplugin.cache.GuavaEngineConnPluginCache.get(GuavaEngineConnPluginCache.java:119) ~[linkis-engineconn-plugin-cache-1.1.1-webank.jar:1.1.1-webank] at org.apache.linkis.manager.engineplugin.manager.loaders.CacheablesEngineConnPluginLoader.getEngineConnPlugin(CacheablesEngineConnPluginLoader.java:82) ~[linkis-engineconn-plugin-loader-1.1.1-webank.jar:1.1.1-webank] at org.apache.linkis.engineplugin.server.service.DefaultEngineConnResourceFactoryService.getResourceFactoryBy(DefaultEngineConnResourceFactoryService.scala:36) ~[linkis-engineconn-plugin-server-1.1.1-webank.jar:1.1.1-webank] at org.apache.linkis.engineplugin.server.service.DefaultEngineConnResourceFactoryService.createEngineResource(DefaultEngineConnResourceFactoryService.scala:47) ~[linkis-engineconn-plugin-server-1.1.1-webank.jar:1.1.1-webank] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_141] ``` However, there is no clear information about the exception after RPC encapsulation obtained in the linkismanager. ``` 2022-03-30 21:48:14.447 [INFO ] [AskEngineService-Thread-98 ] o.a.l.m.a.s.e.DefaultEngineAskEngineService (121) [apply] - Failed to async(bdpujes110003:9101_48) createEngine, can Retry false org.apache.linkis.manager.am.exception.AMErrorException: errCode: 30001 ,desc: Failed to create engineResource ,ip: bdpujes110003 ,port: 9101 ,serviceKind: linkis-cg-linkismanager at org.apache.linkis.manager.am.pointer.DefaultEngineConnPluginPointer.createEngineResource(DefaultEngineConnPluginPointer.scala:39) ~[linkis-application-manager-1.1.1-webank.jar:1.1.1-webank] at org.apache.linkis.manager.am.service.engine.DefaultEngineCreateService.requestResource(DefaultEngineCreateService.scala:253) ~[linkis-application-manager-1.1.1-webank.jar:1.1.1-webank] at org.apache.linkis.manager.am.service.engine.DefaultEngineCreateService.createEngine(DefaultEngineCreateService.scala:181) ~[linkis-application-manager-1.1.1-webank.jar:1.1.1-webank] at org.apache.linkis.manager.am.service.engine.DefaultEngineAskEngineService$$anonfun$3.apply(DefaultEngineAskEngineService.scala:92) ~[linkis-application-manager-1.1.1-webank.jar:1.1.1-webank] at org.apache.linkis.manager.am.service.engine.DefaultEngineAskEngineService$$anonfun$3.apply(DefaultEngineAskEngineService.scala:82) ~[linkis-application-manager-1.1.1-webank.jar:1.1.1-webank] at scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24) ~[scala-library-2.11.12.jar:?] at scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24) ~[scala-library-2.11.12.jar:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_141] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_141] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_141] ``` ### Relevent platform all ### Reproduction script 1. delete shell ecp 2. execute task ### Anything else It is recommended to add an error response message protocol for ecp resource requests, and then throw an error message 建议新增ecp资源请求的错误响应信息协议，然后抛出错误信息  ### Are you willing to submit a PR? - [ ] Yes I am willing to submit a PR! -- This is an automated message from the Apache Git Service. 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