Grayog 100% CPU Usage

[Arie (Arie van den Heuvel)]

Could this be a Java issue and not using the internal Java that comes with Graylog

Java version issue?

Before you post: Your responses to these questions will help the community help you. Please complete this template if you’re asking a support question. Don’t forget to select tags to help index your topic! 1. Describe your incident: After upgrading Graylog-server to version 5.0.2 using yum, graylog service will not start, the /varlog/messages shows the following error message: Exception in thread “main” java.lang.UnsupportedClassVersionError: org/graylog2/bootstrap/Main has been compiled b…