Github user asfgit closed the pull request at:
https://github.com/apache/zeppelin/pull/1604
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GitHub user anthonycorbacho opened a pull request:
https://github.com/apache/zeppelin/pull/1604
[HOT-FIX] - Prevent double injection of cross-origin headers from rest api
### What is this PR for?
Prevent error `XMLHttpRequest cannot load
http://localhost:8080/api/version. The