我试图在我的机器上安装Websphere portal express V 8.0，但它失败并出现以下错误：
“安装后配置”阶段的错误ConfigEngine.bat
日志文件中的错误详细信息如下：
FAILURE_LOG_DIR=null
BUILD FAILED
C:\ibm_portal\portal\base\wp.db.impl\config\includes\wp.db.impl_cfg.xml:598: The following error occurred while executing this line:
C:\ibm_portal\ConfigEngine\config\includes\setupdb_cfg.xml:429: The following error occurred while executing this line:
C:\ibm_portal\ConfigEngine\config\includes\db_cfg_mgr.xml:463: exec returned: 4
我正在Windows 7机器上安装，感谢任何帮助