The yum installation prompts the error Thread/process failed: Thread died in Berkeley DB library

Problem Description:

yum installation update prompts rpmdb: Thread/process failed: Thread died in Berkeley DB library

problem solved:

　　01. Delete the yum temporary library file

　　　　rm -fr /var/lib/rpm/__db.*

　　02. Rebuild the rpm database

　　　　rpm --rebuilddb

　　03. Clean cache and produce yumdb cache

　　　　yum clean all

　　　　yum makecache