Troubleshooting Basics
See the FAQ for user-facing issues.
For operational issues:
- Backend logs are standard Spring Boot logs (log4j2), on stdout. Every REST call is logged at INFO level with the dataset, graph, and originating URL.
- Frontend build and runtime issues are reported in the browser console and in the SvelteKit server log.
- Snapshot-store issues surface as HTTP errors in the backend log. A
Connection refusedmeans Fuseki is down or unreachable from the backend; a403means Fuseki is refusing the snapshot write.
For anything not covered here, the GitHub repository's Discussions tab is the recommended channel.