1、WebServerImpl:com.cloudera.server.web.cmf.TsqueryAutoCompleter: Error getting predicates重启过程Service Monitor服务异常，启动CM和Agent服务一段时间后自然会正常，无需关注
3、com.cloudera.server.common.AgentAvroServlet: Error processing Avro requestorg.mortbay.jetty.EofException可能是jdk版本引起
5、scm server 主机运行状态不良解决方法：删除 /opt/cm-5.15.1/lib/cloudera-scm-agent/cm_guid
6、服务未成功启动；所需角色未全部启动: 仅启动了 5 个角色中的 2 个。原因: Service has only 0 DataNode roles running instead of m足毂忍珩inimum requiredFailed rack peer update: [Errno 111] Connection refused解决办法：开启ntpd服务service ntpd start
7、No portmap or rpcbind service is running on this host. Please start portmap or rpcbind service before attempting to start the NFS Gateway role on this host.解决办法：安装rpcbind: yum install rpcbind.x86_6执行 service rpcbind start
