The dbenv is stateful, and per-instance. Why are you copying __db*
files around, they are useless, as you have seen, out of context.

73 de Jeff

On Jul 29, 2007, at 3:13 PM, Ralf S. Engelschall wrote:

> Just a heads up for those of you who create the RPM DB in a temporary
> location (like DESTDIR) before installing it into the final run-time
> location: seems like in DB 4.6 the region files (sometimes) contain  
> the
> absolute(!) path to the corresponding regular files and RPM outputs
> a rather confusing error message, too. As a consequence one cannot
> just use "rpm --initdb --dbpath /somewhere" and copy over _all_ files.
> Starting with DB 4.6 one really _has_ to skip the region files. Test
> case is following:
>
> | $ /tmp/rpm/bin/rpm --initdb --dbpath /tmp/db
> | $ ls -l /tmp/db/
> | total 88
> | -rw-r--r--  1 rse  rse     8192 Jul 29 21:07 Packages
> | -rw-r--r--  1 rse  rse    24576 Jul 29 21:07 __db.001
> | -rw-r--r--  1 rse  rse    57344 Jul 29 21:07 __db.002
> | -rw-r--r--  1 rse  rse  1318912 Jul 29 21:07 __db.003
> | -rw-r--r--  1 rse  rse   475136 Jul 29 21:07 __db.004
> | $ strings -f /tmp/db/* |grep /tmp
> | /tmp/db/__db.003: /tmp/db/Packages
>                     ^^^^^^^
> | $ mv /tmp/db/* /tmp/rpm/var/rpm/db/
> | $ /tmp/rpm/bin/rpm -qa
> | error: cannot open Packages index using db3 - No such file or  
> directory (2)
> | error: cannot open Packages database in /tmp/rpm/var/rpm/db
>                      ^^^^^^^^             ^^^^^^^^^^^^^^^^^^^
> | $ ls -l /tmp/rpm/var/rpm/db/Packages
> | -rw-r--r--  1 rse  rse  8192 Jul 29 21:07 /tmp/rpm/var/rpm/db/ 
> Packages
> | $ truss /tmp/rpm/bin/rpm -qa 2>&1 | grep "open(" | tail -1
> | open("/tmp/db/Packages",O_RDONLY,00)             ERR#2 'No such  
> file or directory'
>
> Notice that the region file __db.003 contains the abolute path to
> the "Packages" file and also notice the confusing error message: the
> "Packages" which is not found here is really existing under the  
> location
> which is shown. The problem is that "Packages" no longer can be found
> under original path.
>
> So, notice: if you create an initial RPM DB in a temporary location
> before you move it into place (as e.g. we are doing it under
> $RPM_BUILD_ROOT in our "openpkg" package which contains RPM), you  
> _have_
> to skip the region files or you will be faced with the above error...
>
>                                        Ralf S. Engelschall
>                                        rse@engelschall.com
>                                        www.engelschall.com
>
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