RFR JDK-8069211: (zipfs) ZipFileSystem creates corrupted zip if entry output stream gets closed more than once

[Alan Bateman]

On 16/01/2015 20:24, Xueming Shen wrote:
> Please help review the change for
>
> issue: https://bugs.openjdk.java.net/browse/JDK-8069211
> webrev: http://cr.openjdk.java.net/~sherman/8069211
As an initial fix then this looks okay but it's not safe for use by 
multiple threads (at some point the zip provider needs to be examined).

-Alan.