kfaraz opened a new pull request, #18140: URL: https://github.com/apache/druid/pull/18140
### Bug For some APIs, `DataSourcesResource` and `OverlordDataSourcesResource` are not able to serialize out the JSON response  ```java 2025-06-12T01:40:01,545 ERROR [qtp41470360-100] com.sun.jersey.spi.container.ContainerResponse - Mapped exception to response: 500 (Internal Server Error) javax.ws.rs.WebApplicationException: com.sun.jersey.api.MessageException: A message body writer for Java class org.apache.druid.rpc.indexing.SegmentUpdateResponse, and Java type class org.apache.druid.rpc.indexing.SegmentUpdateResponse, and MIME media type application/octet-stream was not found. ``` ### Fix - Fix a bug in `DataSourcesResource` and `OverlordDataSourcesResource` since they are not able to serialize out the JSON response <hr> This PR has: - [ ] been self-reviewed. - [ ] using the [concurrency checklist](https://github.com/apache/druid/blob/master/dev/code-review/concurrency.md) (Remove this item if the PR doesn't have any relation to concurrency.) - [ ] added documentation for new or modified features or behaviors. - [ ] a release note entry in the PR description. - [ ] added Javadocs for most classes and all non-trivial methods. Linked related entities via Javadoc links. - [ ] added or updated version, license, or notice information in [licenses.yaml](https://github.com/apache/druid/blob/master/dev/license.md) - [ ] added comments explaining the "why" and the intent of the code wherever would not be obvious for an unfamiliar reader. - [ ] added unit tests or modified existing tests to cover new code paths, ensuring the threshold for [code coverage](https://github.com/apache/druid/blob/master/dev/code-review/code-coverage.md) is met. - [ ] added integration tests. - [ ] been tested in a test Druid cluster. -- 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] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
