1. Describe your incident:
After upgrade graylog-server from 4.3 to 5.0 i’ve had a lot of java error in graylog logs at /var/log/graylog-server/server.log
Logs constantly repeat with an interval of 3-5 secondes
Example here: graylog logs - Pastebin.com
2. Describe your environment:
Debian 9.13
MongoDB 5.0.15
Graylog 5.0.5 Standalone node with community version
ElasticSearch 7.13
3. What steps have you already taken to try and solve the problem?
Reboot each service and the VM
4. How can the community help?
Understand log and explain to me