问题原因: 系统是64bit,该库是32bit的,在64bit系统上安装32bit库 解决的方法: 1. 查看哪个安装包包括该库:yum provides libstdc++.so.6 libstdc++-4.4.7-4.el6.i686 2. 安装 libstdc++-4.4.7-4.el6.i686 yum install libstdc++-4.4.7-4.el6.i686 报错: --> Finished Dependency Resolution Error: Protected multilib versions: libstdc++-4.4.7-4.el6.i686 != libstdc++-4.4.7-3.el6.x86_64 You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest 2.1 解决的方法: yum update libstdc++-4.4.7-3.el6.x86_64 然后再运行步骤2的命令