CB Response: Rabbitmq Will Not Start, Message: "no such file or directory","asn1.app"

Products

• Carbon Black EDR (formerly Cb Response)

Issue/Introduction

• Rabbitmq service does not start when running 'service cb-enterprise start' command.  
• Following message reported in /var/log/cb/rabbitmq/[email protected]’ file:

Error description: 
{error,{"no such file or directory","asn1.app"}} 

Stack trace: 
[{app_utils,load_applications,2,[{file,"src/app_utils.erl"},{line,106}]}, 
{app_utils,load_applications,1,[{file,"src/app_utils.erl"},{line,39}]}, 
{rabbit,start_apps,2,[{file,"src/rabbit.erl"},{line,482}]}, 
{rabbit,broker_start,0,[{file,"src/rabbit.erl"},{line,302}]}, 
{rabbit,start_it,1,[{file,"src/rabbit.erl"},{line,424}]}, 
{rabbit_clusterer_utils,'-spawn_starter/1-fun-0-',1, 
[{file,"src/rabbit_clusterer_utils.erl"}, 
{line,54}]}]

Environment

• CB Response Server: Version 6.3.1 

Cause

Erlang directory is corrupt.

Resolution

Reinstall Erlang package with following steps:

1. Stop CB Response services: 

service cb-enterprise stop

2.  Run following command to kill any remaining processes from the 'cb' user: 

killall -KILL -u cb

3.   Reinstall Erlang package: 

yum reinstall erlang

4. Start CB Response services:  https://community.carbonblack.com/t5/Knowledge-Base/CB-Response-How-to-restart-server-services/ta-p/41294