OCI-62747
The BOOTSTRAP_SERVERS parameter is a comma-separated list of 'host:port' values. Value {%0!s} in {%1!s} needs to be a 'host:port' value.
Cause
The bootstrap server list contained a value that was not a 'host:port' pair.
Action
Update the bootstrap server list to contain a comma-separated list of 'host:port' pairs.