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- Kubernetes Plugin - agents are not being provisioned (SECO-868)
If Kubernetes agents aren’t being provisioned after the upgrade, and you see "No slot left for provisioning (global limit)" in your logs, this is due to changes in the way the plugin interprets the "Concurrency Limit" configuration value. To work around the issue, open the configuration screen for the Kubernetes Shared Cloud in operations center and then click the Save button.
No configuration changes are necessary. However, if the "Concurrency Limit" is set to "0" it can be changed to "" (empty) if desired. A permanent fix will be released in a future release, which doesn’t require manual intervention after the upgrade.
CloudBees recommends that you start to prepare for the March release of Jenkins LTS as soon as possible. The March release will include important updates. If you use Jenkins LTS plugins that are not in the CloudBees Assurance Program (CAP), you should update them before upgrading your CloudBees products to ensure compatibility with the March release. If your company uses its own proprietary (non-CloudBees) plugins, CloudBees recommends that you test them against Jenkins version 2.266+ prior to the March release. And, as always, backing up your data before upgrading is strongly encouraged. For details about changes in the March Jenkins LTS release, see https://www.jenkins.io/blog/2020/11/10/spring-xstream/ and https://www.jenkins.io/doc/developer/views/table-to-div-migration/.
If upgrading from a rolling release older than 2.332.3.4, customers may experience technical difficulties. CloudBees ensures compatibility only between supported versions of the product and recommends upgrading early and often to avoid these difficulties. If you are having difficulties upgrading, contact CloudBees Support for assistance.