为什么我在安装rpm包的时候出现了 不能打开包的数据库的提示

sailing401

rpmdb: fatal region error detected; run recovery
error: db4 error(-30982) from dbenv->open: DB_RUNRECOVERY: Fatal error, run database recovery
error: cannot open Packages index using db3 -  (-30982)
error: cannot open Packages database in /var/lib/rpm
warning: aalib-1.4rc5-fr2.i386.rpm: V3 DSA signature: NOKEY, key ID e42d547b
rpmdb: fatal region error detected; run recovery
error: db4 error(-30982) from dbenv->open: DB_RUNRECOVERY: Fatal error, run database recovery
error: cannot open Packages database in /var/lib/rpm

Bluedata

rpm --rebuilddb