Populating Graphs - Zenmodeler

Initial modeling reports hard drive size, etc. However drive free size and graphs are not populated.

Running zenmodeler from the CLI shows the following recurring zenpublisher error:

2016-02-19 22:28:09,968 DEBUG zen.publisher: metric flush to redis in progress, skipping _put

2016-02-19 22:28:09,968 DEBUG zen.publisher: trying to publish 7 metrics

2016-02-19 22:28:09,969 INFO zen.publisher: publishing failed: Connection was refused by other side: 111: Connection refused.

2016-02-19 22:28:09,969 INFO zen.publisher: queue still contains 7 metrics

2016-02-19 22:28:10,035 DEBUG zen.publisher: published 3 metrics to redis

2016-02-19 22:28:10,035 DEBUG zen.publisher: shutting down [disconnecting]

2016-02-19 22:28:10,035 DEBUG zen.publisher: shutting down [disconnected]

2016-02-19 22:28:10,036 DEBUG zen.ZenModeler: Removing service EventService

2016-02-19 22:28:10,036 DEBUG zen.ZenModeler: Removing service ModelerService

2016-02-19 22:28:10,036 DEBUG zen.pbclientfactory: Lost connection to localhost:8789 - Connection to the other side was lost in a non-clean fashion: Connection lost.

2016-02-19 22:28:10,037 DEBUG zen.collector.scheduler: In shutdown stage during

2016-02-19 22:28:10,037 DEBUG zen.collector.scheduler: In shutdown stage after

I have double checked DNS, WinRM configuration parameters, etc.

SNMP modelling works.

Physical server running RHEL 7.2 , zenoss 5.0.9.

Any suggestions would be appreciated!