[root@VM_0_13_centos SearchBlog]# yum search xxx
error: rpmdb: BDB0113 Thread/process 8472/140296507234368 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

解决办法

清除缓存，重建。

[root@VM_0_13_centos TestCts]# rm -f /var/lib/rpm/__db*
[root@VM_0_13_centos TestCts]# rpm --rebuilddb