zip64 compatibility problems

Kumar Srinivasan kumar.x.srinivasan at
Wed Jan 16 15:35:37 UTC 2013

On 1/16/2013 4:20 AM, Alan Bateman wrote:
> On 16/01/2013 03:40, Martin Buchholz wrote:
>> :
>> It's a different story for the groups of users just now adopting jdk7.
>> The situation is a bit grim for those using jar files with>64k entries.
>> jdk7 is not only creating jar files that are unreadable by jdk6 - they
>> are also unreadable by the jdk7 launcher!  With no visible benefit for
>> the user!
> Just to be clear, do you mean just executable JAR files (java -jar)? I 
> assume that library JAR files on the classpath or elsewhere with >64k 
> are not an issue.
Only -jar would be affected since the launcher needs to read the 
manifest to extract the main-class name,
so the changeset which Martin refers to,  fixes the parse_manifest.c. 
Therefore using the construct
java -cp foo.jar Main ....  would/should work correctly via the classloader.


> -Alan

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