400 Bad Request Error: Resource.js:2256 - 'http://service.sdmap.gov.cn/tileservice/sdrasterpubmap'

This error message indicates that the server received a malformed or invalid request. The GET request to the URL 'http://service.sdmap.gov.cn/tileservice/sdrasterpubmap' resulted in a 400 Bad Request response.

A 400 Bad Request error typically occurs due to issues with the request syntax, missing required parameters, or invalid data. To resolve this issue, you can try the following steps:

1. Verify the URL: Double-check the URL to ensure it is correct and properly formatted. Ensure that there are no typos, missing slashes, or incorrect characters.

2. Check the request parameters: If the URL requires specific parameters, make sure they are included in the request. Check the documentation or contact the service provider to confirm the required parameters.

3. Validate the data: If you are sending any data in the request body or query parameters, ensure it is valid and properly formatted. Check for any missing or incorrect values.

4. Contact the service provider: If the issue persists, it might be a problem with the service itself. Reach out to the service provider or consult their documentation for further assistance.

By following these steps, you should be able to troubleshoot and resolve the 400 Bad Request error.