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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 23602] - Zip task STILL creates zip files incompatible with Winzip
Date Fri, 10 Oct 2003 18:29:12 GMT
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=23602

Zip task STILL creates zip files incompatible with Winzip





------- Additional Comments From tsorgie@yahoo.com  2003-10-10 18:29 -------

Stefan i can also open your zip with my version of Winzip.

I also did a little more testing; first i found out that i was mistaken about 
the working version of Ant that i have, it is 1.4.1 (not 1.5.1 as i had 
indicated earlier), i apoligize for that.

Next i tried to zip the sample files that you sent from your test, using my 
version of Ant1.5.4, and it didn't work for me.  In fact, it is surprising to 
see how different your archive is from mine built with Ant1.5.4 with the 
IBMJVM1.3.1:

http://bleu.illegalcheese.com/test/ANT154_ziptest.zip

I also built the same files using Ant1.4.1 on the same platform:

http://bleu.illegalcheese.com/test/ANT141_ziptest.zip

Between these two files the you can mostly see the differences made by the 
changes to the org.apache.tools.zip package between Ant1.4.1 & Ant1.5.4

Comparing the source of the Ant1.4.1 and Ant1.5.4 org.apache.tools.zip source 
package shows pretty minor differences.  I changed Ant1.5.4 to revert out the 
changes made since 1.4.1, and unfortuantely found that it still did not work.  

However i think i may have narrowed it down.  Using my modified 
(org.apache.tools.zip package changed to work like 1.4.1) i was able to create 
another zip:

http://bleu.illegalcheese.com/test/ANT154ZipPackageLike141_ziptest.zip

If you compare the differences between this zip and the one made by 1.4.1, it 
comes down to a very small amount of change in the last few bytes of the file.

hope this helps.

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