healchow opened a new issue, #3599: URL: https://github.com/apache/incubator-inlong/issues/3599
### What happened The error stack: ``` 2022-04-11 11:08:45.938 [http-nio-8080-exec-1] ERROR o.a.i.m.web.config.ControllerExceptionHandler:124 - Failed to handle request on path:/api/inlong/manager/source/list, user:admin 19430 java.lang.NullPointerException: null 19431 at java.util.ArrayList.addAll(ArrayList.java:577) 19432 at org.apache.inlong.manager.service.source.StreamSourceServiceImpl.listByCondition(StreamSourceServiceImpl.java:135) 19433 at org.apache.inlong.manager.service.source.StreamSourceServiceImpl$$FastClassBySp ``` ### What you expected to happen Should not occurred any exception. ### How to reproduce Just add a FILE source, then list them by `inlong/manager/source/list?sourceType=FILE&inlongGroupId=test` or on web. ### Environment _No response_ ### InLong version master ### InLong Component InLong Manager ### 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]
