• ale's avatar
    Prevent premature cancellation of the HTTP request context · 54f0ac4c
    ale authored
    The Context in the http.Request is bound to the one we give it when
    calling balancedBackend.do(), so we were accessing it out of scope
    when calling the final json.Decode on the response body.
    
    This was not a problem for most *small* requests, as the response Body
    already contains all the data due to having read it along with the
    headers. However, larger response bodies would cause json.Decode to
    call a Read with what at that point is a canceled Context, so the Call
    function would return a mysterious "context canceled" error.
    
    (Note that this change introduces a minor, probably less annoying,
    issue, where we can't reset "resp" between successive calls so we may
    be invoking json.Decode on a non-pristine object if the first call
    fails in some circumstances).
    54f0ac4c
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