Github user spmallette commented on the issue:
https://github.com/apache/tinkerpop/pull/534
it sounds like the third option comes without downsides (you had detracting
statements on the other two) so I guess I would go with that. While i haven't
thought it all through, this behavior:
> now chooses GSSAPI if no credentials are supplied
sounds like it might not be a sensible default either, so changing that
sounds like the right thing to do.
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