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HomeDatabaseMysql TutorialLinux 安装Oracle 参数提示PORT的值NULL无效

按道理说,使用这个版本的Linux,很快就能完成Oracle的安装工作了,并且之前项目中已经这样安装过,当时没有出现任何问题。没想到

第一次在Linux上安装Oracle的时候碰到这个问题,呵呵。之前在Linux上安装Oracle时,一般都使用RedHat系列的Linux,在安装过程中,需要做大量的安装前置工作,如安装RPM包,创建组和用户,修改内核参数,修改环境变量等。这次使用的是RedFlag的Asianux 3,而且自带Oracle的安装辅助工具Oranavi,通过图形化界面帮助用户将这些前置工作快捷完成。

按道理说,使用这个版本的Linux,很快就能完成Oracle的安装工作了,并且之前项目中已经这样安装过,当时没有出现任何问题。没想到这次的安装却碰到了一些问题。先是在使用Oranavi安装时,提示Oracle用户没有权限执行Oracle的安装程序,于是把Oracle的安装程序文件权限变成全放开,结果还是同样的错误。后来咨询了一下支持工程师,发现问题出在Oracle安装程序文件的目录。我在上传Oracle安装文件时,将其放在了/root下的一个子目录,Oracle用户在读取这个文件时受到了限制。于是将这个文件放在了root之外的目录,并在Oranavi中修改文件目录位置,问题便解决了。

在安装快要结束,创建数据库实例时,出现了“参数PORT的值NULL无效”这样的错误,是由EMCA抛出的异常。由于安装Oracle的过程都是由Oranavi自动完成的,按道理不会出现什么错误啊?于是又创建了一个新实例,看看能不能解决,,可以问题依旧。只能google了,后来发现问题的根源在于hosts文件,也就是/etc/hosts文件。文件中,系统的IP地址是错误的,可能系统默认成另一块网卡的地址了,于是将IP地址改为当前使用的网卡的地址,问题便解决了。看来任何工具都有犯错的时候啊。

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