CDH- CDH大数据集群运维

CDH前端CM监控不正常（未解决）

Request to the Service Monitor failed. This may cause slow page responses. View the status of the Service Monitor.

Request to the Host Monitor failed. This may cause slow page responses. View the status of the Host Monitor.

• Unable to issue query: the Host Monitor is not running

检查event server 日志

[root@ip-xxx cloudera-scm-eventserver]# pwd
/var/log/cloudera-scm-eventserver
[root@ip-xxx cloudera-scm-eventserver]# tail -f -n  mgmt-cmf-mgmt-EVENTSERVER-ip-xxx.out

日志显示

-- ::, INFO com.cloudera.enterprise.ssl.SSLFactory: Using configured truststore for verification of server certificates in HTTPS communication.
-- ::, INFO com.cloudera.cmf.BasicScmProxy: Using encrypted credentials for SCM
-- ::, INFO com.cloudera.cmf.BasicScmProxy: Authenticated to SCM.
-- ::, INFO com.cloudera.cmf.BasicScmProxy: Authentication to SCM required.
-- ::, WARN com.cloudera.cmf.eventcatcher.server.EventCatcherService: No descriptor fetched from https://xxx:7183 on after 1 tries, sleeping...
-- ::, INFO com.cloudera.cmf.BasicScmProxy: Using encrypted credentials for SCM
-- ::, INFO com.cloudera.cmf.BasicScmProxy: Authenticated to SCM.
-- ::, INFO com.cloudera.cmf.BasicScmProxy: Authentication to SCM required.
-- ::, WARN com.cloudera.cmf.eventcatcher.server.EventCatcherService: No descriptor fetched from https://xxx:7183 on after 2 tries, sleeping...
-- ::, INFO com.cloudera.cmf.BasicScmProxy: Using encrypted credentials for SCM
-- ::, INFO com.cloudera.cmf.BasicScmProxy: Authenticated to SCM.
-- ::, INFO com.cloudera.cmf.BasicScmProxy: Authentication to SCM required.
-- ::, WARN com.cloudera.cmf.eventcatcher.server.EventCatcherService: No descriptor fetched from https://xxx:7183 on after 3 tries, sleeping...
-- ::, INFO com.cloudera.cmf.BasicScmProxy: Using encrypted credentials for SCM
-- ::, INFO com.cloudera.cmf.BasicScmProxy: Authenticated to SCM.
-- ::, INFO com.cloudera.cmf.BasicScmProxy: Authentication to SCM required.
-- ::, WARN com.cloudera.cmf.eventcatcher.server.EventCatcherService: No descriptor fetched from https://xxx:7183 on after 4 tries, sleeping...
-- ::, INFO com.cloudera.cmf.BasicScmProxy: Using encrypted credentials for SCM
-- ::, INFO com.cloudera.cmf.BasicScmProxy: Authenticated to SCM.
-- ::, INFO com.cloudera.cmf.BasicScmProxy: Authentication to SCM required.
-- ::, WARN com.cloudera.cmf.eventcatcher.server.EventCatcherService: No descriptor fetched from https://ip-172-31-2-173.cn-north-1.compute.internal:7183 on after 5 tries, sleeping...
-- ::, ERROR com.cloudera.cmf.eventcatcher.server.EventCatcherService: Could not fetch descriptor after  tries, exiting.

原因是我们使用的企业版的license过期，导致Cloudera Navigator不能使用，我们在TLS这里设置的等级涉及到收费功能，license过期导致不生效。