After upgrading, Data Collectors are not connecting back into the Data Aggregator

Products

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

Issue/Introduction

After upgrading, Data Collectors are not connecting back into the Data Aggregator

Cause

Looking at the DC activemq log showed numerous errors relating to communications and inability to connect to DA activemq.

Environment

Component : IM Reporting / Admin / Configuration

Resolution

Note: This process will clear any and ALL cached polling data but it may also be the only resolution.

1. Stop activemq (systemctl stop activemq)
2. Stopped dcmd (systemctl stop dcmd)
3. Ensured java processes were actually stopped (ps -ef|grep java)
4. Start the dcmd process (systemctl start dcmd)