Navigating to URLs in the common container has no indication of success or
failure
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Key: SHINDIG-1669
URL: https://issues.apache.org/jira/browse/SHINDIG-1669
Project: Shindig
Issue Type: Improvement
Affects Versions: 3.0.0
Reporter: Ryan Baxter
When you call commoncontainer.navigateUrl if the URL cannot be reached the
caller has no way of knowing if the URL was navigated successfully or not. To
solve this we make a head request to the URL we are navigating to and add a
callback to the API.
It is important to note that we will not be caching the response of the head
request. While this could possibly give us better performance we have no way
of guaranteeing the server will still be up next time and everything may fail.
This is different from the gadget case where we have the gadget XML cached on
the server.
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