"mbox note: Can't open file://L:\ods\rtoy\Cygnus/ for reading: Unrecognisable file format" errors whilst executing setup.exe

Heath Kehoe hkehoe@budcat.com
Wed Jan 27 23:48:00 GMT 2010


Richard Toy wrote:
> Both at work and home I install Cygwin on several machines and I keep
> a local cache of the Cygwin install files to reduce the time to
> update.
>
> I always run setup.exe and perform a full install of everything.
>
> Since upgrading to the latest version of setup, when performing the
> local install from the local cache I get apparently random warning
> boxes with the following error text: -
>
> Can't open file://L:\ods\rtoy\Cygnus/ for reading: Unrecognisable file format.
>
> The boxes (51 occurences) can be simply clicked away and the install completes.
>
> Once complete a check of the installation (cygcheck -cv) shows that it
> is complete (all OK)
>
> The same error occurs in both the work (Windows XP) and home (Windows
> 7) environments.  In both cases the local cache is accessed through a
> mapped network drive.
>   
[snip]
> Has anyone else seen this?
>
> Richard
>   
We're seeing the same issue. We have a mirror of the cygwin tree (which 
is updated through rsync) which is made available on a network share, 
mapped to a drive letter. When running setup we pick 'Install from Local 
Directory' and usually select all packages.

And we too get a bunch of those 'Unrecognisable file format' popups. 
Makes installation a pain as those popup errors all have to be dismissed 
for the install process to continue.

-heath


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