安装Oracle 10.2.0.1 grid control时提示OUI-25031错误解决方法
安装 Oracle 10.2.0.1 grid control在Configuration Assistants（配置检测）时Web Cache Configuration Assistant检查失败，提示
安装 Oracle 10.2.0.1 grid control在Configuration Assistants（配置检测）时Web Cache Configuration Assistant检查失败，提示OUI-25031错误，解决方法如下：
报错如下：
由此可以判断我们默认的web站点 http server是否出问题了，输入命令./opmnctl status查看如下：
Processes in Instance: EnterpriseManager0.xupeng.localdomain
-------------------+--------------------+---------+---------
ias-component | process-type | pid | status
-------------------+--------------------+---------+---------
DSA | DSA | N/A | Down
HTTP_Server | HTTP_Server | N/A | Down
LogLoader | logloaderd | N/A | Down
dcm-daemon | dcm-daemon | N/A | Down
OC4J | home | 18846 | Alive
WebCache | WebCache | 18857 | Alive
WebCache | WebCacheAdmin | 18848 | Alive
http_server没有启动，正常是在安装gc时我们会运行一个./opmnctl start的命令把这几个关键的服务给启动起来，在这里我们没有看到，问题可以从此开始分析，感觉找到了问题所在了，激动一下。
接下来我们查看一下http_server的日志，在/u01/app/oracle/OracleHomes/oms10g/opmn/logs/HTTP_Server~1
果然出现错误：/u01/app/oracle/OracleHomes/oms10g/Apache/Apache/bin/httpd: error while loading shared libraries: libdb.so.2: cannot open shared object file: No such file or directory 这个报错就是Apache没有找到本地OS上的 libdb.so.2的库文件，我们给他生成一个，选择一个库文件即可 命令：ln -s /usr/lib/libgdbm.so.2.0.0 /usr/lib/libdb.so.2 生成软链接，，ok！
回到安装界面，点retry后检测通过，激动。。。。
http_server服务Alive状态
./opmnctl status
Processes in Instance: EnterpriseManager0.xupeng.localdomain
-------------------+--------------------+---------+---------
ias-component | process-type | pid | status
-------------------+--------------------+---------+---------
DSA | DSA | N/A | Down
HTTP_Server | HTTP_Server | 7129 | Alive
LogLoader | logloaderd | N/A | Down
dcm-daemon | dcm-daemon | N/A | Down
OC4J | home | 7130 | Alive
OC4J | OC4J_EMPROV | 7131 | Alive
OC4J | OC4J_EM | 7133 | Alive
WebCache | WebCache | 25662 | Alive
WebCache | WebCacheAdmin | 7134 | Alive
--end--
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