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Posted to notifications@superset.apache.org by "dosubot[bot] (via GitHub)" <gi...@apache.org> on 2026/05/02 03:19:15 UTC
Re: [D] Deck.gl map change style directly on dashboard [superset]
GitHub user dosubot[bot] edited a comment on the discussion: Deck.gl map change style directly on dashboard
<!-- Answer -->
If you've enabled all the necessary configurations but are still encountering a 404 error when trying to export a PDF, here are a few things to check and try:
1. **Verify Celery Worker Status**: Ensure that your Celery workers are running and properly configured to handle screenshot tasks. The workers need to be active to process and cache the screenshots.
2. **Check Cache Directory Permissions**: Make sure that the directory specified in `THUMBNAIL_CACHE_CONFIG` (`P:\Pauline\superset_cache`) has the correct permissions set, allowing the application to read and write files.
3. **Inspect Logs for Errors**: Check the Superset and Celery logs for any errors or warnings related to the screenshot generation process. This might provide more insight into why the screenshot is not being cached.
4. **Ensure Correct URL and Parameters**: Double-check the URL and parameters used in the API call to ensure they are correct and match the expected format.
5. **Test Cache Functionality**: Verify that the `FileSystemCache` is functioning correctly by checking if other cached items are being stored and retrieved as expected.
6. **Review Feature Flags**: Confirm that all necessary feature flags are enabled, as you've listed, and that there are no typos or misconfigurations.
7. **Restart Services**: After making configuration changes, restart your Superset and Celery services to ensure that all changes are applied.
If these steps do not resolve the issue, consider providing more detailed logs or error messages for further assistance.
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GitHub link: https://github.com/apache/superset/discussions/32149#discussioncomment-13119216
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