I have a pretty simple implementation of apex:map in a VF page, and works briefly and then fails with this error:

HTTP ERROR 400 Bad Request
URI:    /maps/JavascriptHandler
MESSAGE:    Bad Request
SERVLET:    maps.servlet.JavascriptHandlerServlet

I have seen someone else report the same issue on the dev forums, so wondering if anyone else has see this in Winter22, or whether I am doing something wrong?

  • 1
    Can you please confirm if this issue is still there. There were issue in all winter 22 sandboxes but i noticed that it is resolved now. Commented Sep 13, 2021 at 9:35
  • Seems to be stable this morning...will test again later today to see if seems to be resolved Commented Sep 13, 2021 at 15:15

1 Answer 1


This issue is identified in all Winter 22 sandboxes. This issue has been fixed by prod team .while there is no KI created for this, it has been fixed under #W-9869612

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