Peter Molettiere wrote:
>I'm curious as to why you say that comparing jars won't work. If the jars
>have [different] contents, they will produce different hashes or checksums. If
>they have the same contents, they'll produce the same checksum.
Jars include the mod-date of the file in the zip-entry. Two jars built
from identical source, each made from a clean build, will reflect two
different sets of mod-dates (the time of compilation). Or the compression
could be done in a different way each time, or the jar could have been
constructed differently (there are various equivalent internal structures).
Thus, two jar-files can be different, yet the contents can be identical.
Try it.
-- GG
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