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From "Alexey N. Solofnenko" <>
Subject Re: ANT does not seem closing JAR files correctly.
Date Mon, 10 Jan 2005 19:30:01 GMT
After some research I found that I had the same file twice in a JAR (two 
inner filesets were referencing the same file - this is an interesting 
situation too - fileset joining would behave better). There is a bug 
already that inclusion of the same file breaks ANT. So I fixed my build 
by setting two <presetdef>s to set duplication attribute (can we stop 
the warning about overriding task definitions in this situation?). This 
still seems a bug - ANT should not produce broken archives in this 

- Alexey.

Stefan Bodewig wrote:

>On Mon, 27 Dec 2004, Alexey N. Solofnenko <>
>>Just found a broken Jar file. "zip -Tf" produced the following
>>        zip warning: local and central headers differ for (null)
>>        zip warning:  offset 6--local = ed, central = aa
>>        zip warning:  offset 7--local = 8b, central = 6e
>>        zip warning:  offset 8--local = 10, central = 9b
>>zip error: Zip file structure invalid
>Do you get this on all archives?  Is there an easy way to reproduce
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/ Alexey N. Solofnenko
MDL Information Systems, Inc.
work: 510-357-2222x1726

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