crazyxrp opened a new issue #7889: URL: https://github.com/apache/dolphinscheduler/issues/7889
### 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 if sub process and parent process have circular reference ,it will cause exception.but user does not actually know what it means. Caused by: java.lang.StackOverflowError: null at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:763) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:468) at java.net.URLClassLoader.access$100(URLClassLoader.java:74) at java.net.URLClassLoader$1.run(URLClassLoader.java:369) at java.net.URLClassLoader$1.run(URLClassLoader.java:363) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:362) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at ch.qos.logback.classic.spi.LoggingEvent.<init>(LoggingEvent.java:119) at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:419) at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:383) at ch.qos.logback.classic.Logger.error(Logger.java:538) at JSONUtils.parseObject(JSONUtils.java:74) at ProcessService.recurseFindSubProcessId(ProcessService.java:376) ### What you expected to happen Clear hints should be given,for example:Subtasks do not allow circular references ### How to reproduce create a parent process,it have a sub process,then in sub process ,create a new task which is parent process before. ### Anything else _No response_ ### Version 2.0.0 ### 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]
