Why am I seeing this WARN message in the Data Aggregators karaf.log

Products

• CA Infrastructure Management
• CA Performance Management - Usage and Administration

Issue/Introduction

Why am I seeing this WARN message the in the Data Aggregators Karaf.log:

WARN  | Session Task-810 | 2013-01-02 13:52:09,062 | DCHeartBeatLog | ore.collector.interfaces | 

      | HeartBeat message not received.  Expected: 93, Received: 255

Environment

All version of DevOps Performance Management

Resolution

After relocating a Data Collector to another host, the old Data Collector happens to start accidentally causing the SNMP data to be polled twice. This warning is created in the Data Aggregators karaf.log.

To resolve this, you must either stop or uninstall the old Data Collector.

Additional Information

https://techdocs.broadcom.com/content/broadcom/techdocs/us/en/ca-enterprise-software/it-operations-management/performance-management/3-7/update-the-data-collector.html