Card #3560 · Grafana
CORS and Mixed Content errors when connecting to data sources
We are encountering XMLHttpRequest failures and 'Unknown error' messages when attempting to connect Grafana to various data sources. The browser console indicates that requests are being blocked due to missing 'Access-Control-Allow-Origin' headers or mixed content security policies when using HTTPS.
Pain score
0.15/ 1.00 · weighted product of four components
Reach0.89distinct authors (log-normalized)
Recency1.00freshness decay, half-life months
Engagement0.18upvotes + comments, normalized
Monetization0.25willingness-to-pay cues in evidence
§ Evidence — 3 verified quotes
XMLHttpRequest cannot load http://172.29.219.65:8080/. No 'Access-Control-Allow-Origin' header is present on the requested resource.
Chrome Dev Tools console states that I have a cross domain problem. XMLHttpRequest cannot load http://:9200/metricbeat-2017.07.10/_mapping. No ‘Access-Control-Allow-Origin’ header is present on the requested resource.
Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://buster.klaxoon.com/version . (Reason: CORS header ‘Access-Control-Allow-Origin’ missing).
Comments are a Pro feature — join the conversation, share what you've shipped, hear what others are building.
Upgrade to Pro