Problems at works
1.ssh无法连接服务器:因部署ftp服务,误将/var目录的所有者和所属组改成了ftp,以致于SSH无法二次连接;
2.集群服务器的hadoop的datanode节点死亡,在对应节点拉起即可。若无法拉起,排查磁盘是否故障;
3.因数据库版本不一致,可能导致搭建平台时无法正常导入SQL文件;
4.集群升级时出现过平台无法正常启动,可能出现的原因包括:
* 未根据集群环境完全正确修改对应的升级配置文件;
* 一些*.exe程序文件和部分配置文件未完全同步;
* 服务的启动方式及顺序存在错误;
5.广电局广告系统的广告播发故障;
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