EDR: Cbupgrade Migrating Feeds Cannot Connect Error 502

Products

• Carbon Black EDR (formerly Cb Response)

Issue/Introduction

After upgrading EDR to 7.8.0 from 7.6.2 the cbupgrade failed with the error "localhost:8080/solr/cbfeeds/select failed with error <502 - connotconnect>"

Environment

• EDR Server: 7.8.0

Cause

Unknown.  The 'yum update cb-enterprise' worked confirming the correct packages were on the EDR server.

Resolution

Reboot the EDR Linux server and validate the issue is resolved.

Additional Information

• Similar errors on previous versions required core corruption correction.  Where cbfeeds substituted cbevents. 

           https://community.carbonblack.com/t5/Knowledge-Base/EDR-How-to-Correct-a-Corrupted-Solr-Index/ta-p/90317