Confluence diagnostics: node left or joined the cluster
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
These diagnostic alerts indicate when a node leaves the cluster, and when a node joins the cluster.
The following appears in the application log:
1
INFO ; HAZELCAST ; HAZELCAST-1001 ; Node joined the cluster ; not-detected ; ; ; {"member":"Member [...]:... - ..."}1
WARNING ; HAZELCAST ; HAZELCAST-1002 ; Node left the cluster ; not-detected ; ; ; {"member":"Member [...]:... - ..."}These alerts are enabled by default in Confluence 6.11 or later.
Solution
To resolve this issue
There's no action required for these alerts.
However, this information may be helpful when determining the chain of events that lead to an outage or other issue.
What will happen if I ignore this alert?
These alerts are for information only. There's no action required.
Can I change the threshold of this alert?
These alerts are not configurable.
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