RFR: 8176709: JarFileSystem::isMultiReleaseJar is incorrect

[Claes Redestad]

On 03/15/2017 05:36 PM, Mandy Chung wrote:
> I would prefer to separate the performance issue from this fix and keep this fix simple.  There may be more to tease out for performance regression that I defer to Sherman to discuss with you.

Ok:

http://cr.openjdk.java.net/~redestad/8176709/jdk.03/

Also fixed an additional correctness issue, as we discussed offline, in 
that we should only catch and swallow NoSuchFileException (when manifest 
is missing), and rethrow any other IOException.

/Claes

>
> Mandy