Track resources to be disposed asynchronously.
Resource Disposer is a utility plugin for other plugins to depend on. Resources that are no longer needed (VMs to delete, entries in other systems, etc.) are registered in the plugin that attempts to delete it repeatedly. Failures to do so will be reported in the form of administrative monitor and can be examined at JENKINS_URL/administrativeMonitor/AsyncResourceDisposer/. Such entries are persisted between restarts and tracked until the plugin that has contributed them either succeeds in disposing them or they get removed some other way (ex: Administrator removes them manually). Provided the problem preventing the disposal persists, instance administrators are expected to resolve that based on administrative monitor reports.
Plugin developer documentation: https://github.com/jenkinsci/resource-disposer-plugin