RFR 8164656: krb5 does not retry if TCP connection timeouts

[Xuelei Fan]

Looks fine to me.

Xuelei

On 8/24/2016 12:14 AM, Weijun Wang wrote:
> Please review the change at
>
>    http://cr.openjdk.java.net/~weijun/8164656/webrev.00/
>
> The old try-catch is only on send/receive, but NetClient.getInstance()
> could also timeout for TCP when it calls Socket::connect(dest,timeout).
> Therefore move the catch to a higher level.
>
> The test is brand new and it's meant to replace existing BadKdc?.java,
> TcpTimeout.java and MaxRetries.java. In fact, I discover this bug when I
> am writing it. The new test is much faster because in most cases there
> is no real KDC and timeout can be very short. It contains 2 @run and
> each spends a little more than half a minute to run on my laptop.
>
> Thanks
> Max