oracle10g win 7 安装 oracle 10g 登录em后，提示java.lang.Exception: Exception in sending Request :: null （1）找到oracle安装目录下的db_1中的XXX_orcl类型的文件下面的sysman里面的config中的emd.properties文件，将agentTZRegion=GMT改成agentTZRegio
oracle10g +win 7 安装 oracle 10g登录em后，提示java.lang.Exception: Exception in sending Request :: null
（1）找到oracle安装目录下的db_1中的XXX_orcl类型的文件下面的sysman里面的config中的emd.properties文件，将agentTZRegion=GMT改成agentTZRegion =Asia/Chungking 
（2）然后打开cmd命令窗口，重新配置em。
注意这个时候要设置SET ORACLE_SID=ORCL
执行命令em emca config dbcontrol，然后重启dbcontorl服务
（3）重新登陆em，问题就解决了。
登陆 可以了
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