Thank you for contacting us about this.
That line should be part of a larger stack trace that will help to understand what issue you're running into. It could be something like a JAVA or memory problem, but we'd need to see the entire stack trace to be sure.
For example, there's a page on a public Confluence instance that discusses this. To be clear, this is not Atlassian documentation but a customer's knowledge base article on their own Confluence instance.
I would recommend looking into that and diving a bit deeper into your logs. You can share with us whatever you find and we'll try to help you out from there!
Connect with like-minded Atlassian users at free events near you!Find an event
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no Community Events near you at the moment.Host an event