yum 2.0.5.20040229-1 problem

[Marcus Schuetz]

After upgrading to the latest yum in rawhide (2.0.5.20040229-1) I am 
getting the following error when doing a yum list updates / yum update:

Unable to find pid
Gathering header information file(s) from server(s)
Server: Fedora Core 1.90 - Development Tree
Server: Fedora.us Extras (Stable)
Server: Fedora.us Extras (Testing)
Server: Fedora.us Extras (Unstable)
Server: Livna.org Fedora Compatible Packages (stable)
Server: Livna.org Fedora Compatible Packages (testing)
Server: Livna.org Fedora Compatible Packages (unstable)
Finding updated packages
Downloading needed headers
rpmdb: Program version 4.2 doesn't match environment version
error: db4 error(22) from dbenv->open: Invalid argument
error: cannot open Packages index using db3 - Invalid argument (22)
error: cannot open Packages database in 
/usr/lib/rpmdb/i386-redhat-linux/redhat
Traceback (most recent call last):
   File "/usr/bin/yum", line 30, in ?
     yummain.main(sys.argv[1:])
   File "/usr/share/yum/yummain.py", line 253, in main
     clientStuff.download_headers(HeaderInfo, nulist)
   File "/usr/share/yum/clientStuff.py", line 919, in download_headers
     cachedbdict = returnCacheDBHeaders(nulist)
   File "/usr/share/yum/clientStuff.py", line 901, in returnCacheDBHeaders
     mi = cachedb.dbMatch()
TypeError: rpmdb open failed
Exit 1

:: Marcus