Comment 2 for bug 147157

I'm getting the same thing with the jabberd2-pgsql package. After a failed install, it appears locked. I cannot remove it, purge it, or reinstall it.

Removing jabberd2-pgsql . ..
mkdir: cannot create directory `': No such file or directory
invoke-rc.d: initscript jabberd2-pgsql, action "stop" failed.
dpkg: error processing jabber2d-pgsql (--remove):
 subprocess pre-removal script returned error exit status 1
mkdir: cannot create directory `': No such file or directory
invoke-rc.d: initscript jabberd2-pgsql, action "start" failed.
dpkg: error while cleaning up:
 subprocess post-installation script returned error exit status 1
Errors were encountered while processing:
 jabber2d-pgsql
E: Sub-process /usr/bin/dpkg returned an error code (1)