Oracle ORA-12547: TNS:lost contact问题 Warning: Undefined variable $toReturn in /www/wwwroot/blog.cnlabs.net/wp-content/plugins/searchterms-tagging-2/searchterms-tagging2.php on line 2007 今天在Oracle Enterprise Linux上安装Oracle，后面创建数据实例的时候出现了ORA-1 […]