Sergio and Abe, thanks so much for responding to me so quickly!
I managed to figure out the problem and the solution. In the Terraform
scripts we used to stand up the EC2 instances, we have a template file for
the jmxremote.access file with the content:
monitorRole readonly
controlRole readwr
Hey!
I would try to spin up a new node and see if the problem occurs on it.
If it happens, I would check the history of changes on the cookbook recipe,
if you don't find any problem on the new node you might replace all the
nodes having problems one by one with a new one and decommission the
affect
Hey Mitch,
The security upgrade schedule that your colleague is working on may well be
relevant. Is your entire cluster on 3.11.6 or are the failing hosts possibly on
a newer version?
Abe
> On Feb 26, 2023, at 10:38, Mitch Gitman wrote:
>
>
> We're running Cassandra 3.11.6 on AWS EC2 insta
We're running Cassandra 3.11.6 on AWS EC2 instances. These clusters have
been running for a few years.
We're suddenly noticing now that on one of our clusters the nodetool
command is failing on certain nodes but not on others.
The failure:
nodetool: Failed to connect to '...:7199' - SecurityEx