今天    在oracle 10.2.0.1升级到10.2.0.4时出现了以下错误：

oracle universal installer has detected that there are processes running in the currently selected oracle home.then 

following procsses need to be shutdown before continuing:oracle

因为之前安装过实例ccdb，使用ps -ef|grep ccdb  查询出进程，kill掉就可以了