[slurm-users] Error when upgrading to 21.08.1

[Ole Holm Nielsen]

On 23-09-2021 16:01, Hoot Thompson wrote:
> In upgrading to 21.08.1, slurmctld status reports:
> 
> Sep 23 13:49:52 ip-10-10-7-17 systemd[1]: Started Slurm controller daemon.
> 
> Sep 23 13:49:52 ip-10-10-7-17 slurmctld[1323]: fatal: Unable to find 
> plugin: serializer/json
> 
> Sep 23 13:49:52 ip-10-10-7-17 systemd[1]: slurmctld.service: Main 
> process exited, code=exited, status=1/FAILURE
> 
> Suggestions on resolving this?

Probably missing some software prerequisites on the build host.  Please 
check this (for a CentOS system):

yum install http-parser-devel json-c-devel

/Ole