RFR 6968542: keytool -importcert cannot deal with duplicate certs

[Wang Weijun]

> On Jun 16, 2016, at 5:17 PM, Xuelei Fan <xuelei.fan at oracle.com> wrote:
> 
> Maybe better to throw an exception so that the caller know that the
> reply is not valid.  Tolerate problems may become a problem in the future.

In this case, I only remove duplicated certs. Nothing else is tolerated.

> 
> If you want to tolerate the duplicate cert in the chain, please add a
> comment about the use of hash set.  The purpose of the use of hash set
> is not instinctive to the code reader.

Sure.

So does this mean you've approved my code changes?

Thanks
Max

> 
> Xuelei
> 
> On 6/16/2016 4:53 PM, Wang Weijun wrote:
>> Please review the code change at
>> 
>>   http://cr.openjdk.java.net/~weijun/6968542/webrev.01/
>> 
>> Thanks
>> Max
>> 
>