Re: Rebuilding cf_lastseen.db

[Mark . Burgess]

Make sure you don't have both versions of Berkeley hanging
around, so you are getting the header files from one, and
the library from another...

On  3 Nov, Chip Seraphine wrote:
> So I rebuilt my cfengine with BerkeleyDB 3.3 as I have had constant hung 
> agents of late and there was a suggestion on the thread that it helps.  
> (That, and gdb shows that my stuck agents are generally lost somewhere 
> in db-4.2 land.)
> 
> The problem is that this makes my cf_lastseen.db file no longer readable:
> 
> cfengine:: Directory /var/cfengine/inputs had permission 700, changed it 
> to 750
> /var/cfengine/cf_lastseen.db
> cfengine:: Couldn't open last-seen database /var/cfengine/cf_lastseen.db
> Segmentation Fault (core dumped)
> 
> If I delete it, it is still quite unhappy:
> 
> cfengine:: Directory /var/cfengine/inputs had permission 700, changed it 
> to 750
> /var/cfengine/cf_lastseen.db
> cfengine:: Couldn't open last-seen database /var/cfengine/cf_lastseen.db
> Segmentation Fault (core dumped)
> 
> Putting a zero-byte file also doesn't mollify it:
> 
> /var/cfengine/cf_lastseen.db
> cfengine:: Couldn't open last-seen database /var/cfengine/cf_lastseen.db
> cfengine:: db_open: Bad file number
> Segmentation Fault (core dumped)
> 
> 
> Any suggestions (short of reinstalling the agent altogether)?
> 
> Could we get an option to force this file to be rebuilt from scratch?  I 
> don't care about data loss, as the friendstatus stuff is of only minor 
> importance to me.   Even better than a db regeneration option would be 
> default agent behavior of simply spitting out a warning and regenerating 
> the file when encountering an invalid cf_lastseen.db file.
> 



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