[OS X TeX] i-installer MD5 checksum errors

Dr. Paul Fons paul-fons at aist.go.jp
Tue Nov 5 11:23:03 EST 2002

On 2002.11.5, at 06:49 PM, Gerben Wierda wrote:

> A possible reason is that there is a cache between you and where your 
> are downloading from and this cache is misbehaving. It is offering you 
> an old version of the checksum or the table of contents even if there 
> is a new version available *and* it is instructed by i-Installer to 
> ignore caching (check your preferene setting on this).
> An other possible reason is that you have been trying to update while 
> the package was being updated. There is a protection against this in 
> i-Installer, but this depends on the packages being downloaded in a 
> certain way, and I haven't implemented that here yet. But if this is 
> reproducable (i.e. it happens when you hit update again say 5 minutes 
> later) this is not the cause.
> It is as far as I know impossible for there to be another cause. 
> i-Installer downloads the new table of contents and saves this 
> (reporting download or writ errors along the way). Then it checks the 
> new table of contents (which has been downloaded) against the remote 
> md5 checksum.
> G

Thank you for your quick response.  The error message is reproducible 
(not a remote package being updated).  For example, if I attempt to run 
the ghostscript 7 i-installer script, I get a MD5 checksum error 
regardless of the settings regarding the cache in the preferences and 
the update always fails.  This does not happen for new packages (for 
example, I installed the rtf->latex converter without error).  I turned 
the log level up to 4 and the following was recorded:

gpg: Signature made Fri Nov  1 21:26:26 2002 JST using DSA key ID 
gpg: requesting key C87AB5FC from HKP keyserver wwwkeys.nl.pgp.net
gpg: Good signature from "i-Installer <iinstaller at rna.nl>"
gpg: checking the trustdb
gpg: no ultimately trusted keys found
gpg: WARNING: This key is not certified with a trusted signature!
gpg:          There is no indication that the signature belongs to the 
Fingerprint: C1BA 787F 78B0 18D2 B6E7  9464 9D03 DB70 C87A B5FC

Does this imply that the package in question has been perhaps 
unintentionally changed somewhere along the way?

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