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Re: [dsdp-pmc] RE:NAB Ganymede Simultaneous Release

Thanks Martin,

I succeed to make the signed jar. I have completed to setup the update site.


Fri, 4 Jan 2008 11:24:49 +0100
"Oberhuber, Martin" <Martin.Oberhuber@xxxxxxxxxxxxx> wrote:
> Hello Shigeki,
> your process seems right.
> Regarding your question: You are right that pack200 is a lossy 
> compression. Therefore, before the jarfile is signed, it needs
> to be conditioned (aka repacked): I think the "sign" script 
> already does that for you.

I checked signed jar. it was compressed by ZIP format. And some new
files were in MEATA-INF directory. 

So, "eclipse.inf" file in META-INF directory contains these comment.

META-INF> cat eclipse.inf
#Processed using Jarprocessor
pack200.conditioned = true

I felt no needs to pack200 again.


> Repacking means that your jarfiles are compressed (thus losing
> unnecessary information and reordering data in the classfiles),
> then uncompressed again. From that time on, packing / unpacking
> again will NOT modify the jarfiles any more.
> I think that Sun guarantees that the process of packing / unpacking
> does not change functionality of your jars, although it is lossy.
> But still, of course you should do all your testing with the
> conditioned (repacked) jars.
> Hope that helps,
> --
> Martin Oberhuber, Senior Member of Technical Staff, Wind River
> Target Management Project Lead, DSDP PMC Member
> -----Original Message-----
> From: Shigeki Moride [mailto:moride.shigeki@xxxxxxxxxxxxxx] 
> Sent: Friday, January 04, 2008 7:09 AM
> To: Oberhuber, Martin; Gaff, Doug; dsdp-pmc@xxxxxxxxxxx; ted@xxxxxxx
> Subject: Re: [dsdp-pmc] RE:NAB Ganymede Simultaneous Release
> Ted, Martin, Doug,
> Thanks everybody.
> I red the documents and I have requested webmasters to make a staging
> area by e-mail.
> In my understanding, if I get the NAB area then I should do these
> operations as below.
> 1. upload jars to staging area
> 2. kick the signing script as written in the mail from webmasters.
> 3. download signed jars
> 4. packing by pack200
> 5. making the zip file from this packed jars 6. upload packed jars to
> NAB update site.
> 6. upload ziped files to NAB download site.
> is that OK?
> and I have a question.
> in #4. is there any change by packing? I think usually pack200 modify
> the jar file. I'm afraid it.
> Shigeki

Shigeki Moride

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