ERROR MESSAGE:This host is not in contact with the Host Monitor.

[#1]

Hi ,

I want to add a host to existing cluster as a datanode.

But the host don't work fine as expected. 

And i found the message in detail of host.

and the log 

1, I confirmed status of agent and it is working fine.

cloudera-scm-agent (pid  162575) is running...

2, I restarted the cluster and CDM , the problem can't be resolve.

3, I stopped agent and add the host and restart agent again ,  the problem can't be resolve also.

Looking forward to your response.

And please let me know if you want more info.

Thanks,

Wenjie

[#2]

I have the same error.
Can you solve it?

[#3 · Accepted solution]

Hi ,

Yes , i fix it after checking version of ClouderaM in the host.

So , i'm recommending that check version of ClouderaM  in all of existing host and make sure have same version ClouderaClient in them.

Good luckly.