I would suggest trying 3.4M7 where that bug was first fixed, or just move 
up to 3.4.
Or if there are other problems upgrading, try at least taking 
org.eclipse.update.core from 3.4

-Andrew



Janet Dmitrovich <[EMAIL PROTECTED]> 
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10/09/2008 05:29 PM
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Re: [equinox-dev] normalized jar






The build is using eclipse-SDK-I20071127-0800-win32 ( to do the 
normalization and signing ) this looks to be a milestone build of 3.4
They had some issue moving up to the 3.4 GM level.

I am using eclipes 20080617 for packing.

All of our jars contain eclipse.inf with "pack200.conditioned=true"


Janet Dmitrovich
WPLC Expeditor Software Development
[EMAIL PROTECTED]
512-838-4912 T/L:678-4912 FAX:512-838-3703
11501 Burnet Road, Austin TX 78758 (Internal ZIP: 9372)



Andrew Niefer ---10/07/2008 05:38:19 PM---Which version of the 
jarprocessor are you using?

Andrew Niefer <[EMAIL PROTECTED]> 
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Which version of the jarprocessor are you using? 

There was a bug (https://bugs.eclipse.org/bugs/show_bug.cgi?id=226850) 
fixed in 3.4. This was leading to verification errors on the 
META-INF/eclipse.inf files. Though if I remember correctly, it could have 
potentially led to different pack effort levels used on the pack step 
compared to the conditioning step which might affect .class files. 

The org.eclipse.equinox.p2.jarprocessor contains a Verifier class which 
will unpack pack.gz files and verify their signatures. It has a static 
main method that you can run. 
If you have the conditioned jars from before packing, they should contain 
an eclipse.inf file containing "pack200.conditioned=true". 




Janet Dmitrovich <[EMAIL PROTECTED]> 
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Hi thanks for the reply Andrew.

"If you are getting differences after unpack, you may not actually be 
using pack200 conditioned/normalized jars, or something went wrong in that 
-repack normalization step." 

So I am finding differences in the jar sizes ( pre and post pack )


I'm fairly certain that I am using pack200 conditioned/normalized jars, 
since they were built with the "-repack" option.
>> Is there some way to validate this?

>>What type if things could go wrong in the -repack/ normalization step.

Janet Dmitrovich
WPLC Expeditor Software Development
[EMAIL PROTECTED]
512-838-4912 T/L:678-4912 FAX:512-838-3703
11501 Burnet Road, Austin TX 78758 (Internal ZIP: 9372)



Andrew Niefer ---10/07/2008 04:24:57 PM---The contents of the jar should 
be bit-wise the same, so the only difference between pre & post pack (for 
a previously condition 
Andrew Niefer <[EMAIL PROTECTED]> 
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The contents of the jar should be bit-wise the same, so the only 
difference between pre & post pack (for a previously conditioned jar), if 
any, would be in the format of the jar itself. Differences could be, for 
example, in size & crc information for a given zip entry appearing before 
or after the entry itself. I'm not sure that these differences would 
amount to a size difference for the jar. 

In the case of nested jars which are checked against their containers, we 
do need the jars to be bitwise the same even in jar format. For this 
reason, the jarProcessor in eclipse does an additional "normalization" 
step which is different from the pack200 -repack conditioning. 

If you are getting differences after unpack, you may not actually be using 
pack200 conditioned/normalized jars, or something went wrong in that 
-repack normalization step. 

-Andrew 
Janet Dmitrovich <[EMAIL PROTECTED]> 
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Should the size of the jar ( Normalized and signed jar ) be the same 
pre-packand post-unpack ?

Janet Dmitrovich
WPLC Expeditor Software Development
[EMAIL PROTECTED]
512-838-4912 T/L:678-4912 FAX:512-838-3703
11501 Burnet Road, Austin TX 78758 (Internal ZIP: 9372)
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