yum报错：Error: rpmdb open failed

error: rpmdb: BDB0113 Thread/process 31903/140080476854272 failed: BDB1507 Thread died in Berkeley DB library

error: db5 error(-30973) from dbenv->failchk: BDB0087 DB_RUNRECOVERY: Fatal error, run database recovery

error: cannot open Packages index using db5 -  (-30973)

error: cannot open Packages database in /var/lib/rpm

CRITICAL:yum.main:

Error: rpmdb open failed

解决如下：

cd /var/lib/rpm      # rpmdb所在目录

 rm -f __db.*        # 清除原rpmdb文件

rpm --rebuilddb     # 重建rpm数据库

yum clean all       清除所有yum的缓存