安装ora2pg遇到如下问题通过源码安装ora2pg成功后，查询帮助信息报错[root@localhost bin]# ora2pg --help Can't locate open.pm in @INC (you may need to install the open module) (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr