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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 refused means Fuseki is down or unreachable from the backend; a 403 means Fuseki is refusing the snapshot write.

For anything not covered here, the GitHub repository's Discussions tab is the recommended channel.