Got an error reading communication packets errors in MySQL log on the DX NetOps Performance Management Portal

Products

• CA Performance Management - Usage and Administration
• DX NetOps

Issue/Introduction

Seeing errors in the mysql log:

<TIMESTAMP> # [Note] [MY-010914] [Server] Aborted connection 47 to db: 'em' user: 'netqos' host: 'localhost' (Got an error reading communication packets).


<TIMESTAMP> # [Note] [MY-010914] [Server] Got an error reading communication packets

Environment

Release : 21.2

Component :

Resolution

1) The following log message may be seen when stopping services on the DX NetOps Performance Management Portal as the processes that are connected to the database are stopped:

<TIMESTAMP> # [Note] [MY-010914] [Server] Aborted connection 47 to db: 'em' user: 'netqos' host: 'localhost' (Got an error reading communication packets).

2) Upon startup of services on the DX NetOps Portal you may see:

<TIMESTAMP> # [Note] [MY-010914] [Server] Got an error reading communication packets

As we test to see if MySQL is started when starting services:

 /usr/bin/echo -n > /dev/tcp/$MYSQLHOST/$MYSQLPORT