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Simply install the Jira Cloud Migration Assistant and the upgrade the Jenkins Integration for Jira app version 4.6.0, or newer, to the latest version available, and migrate all your Jenkins data within Jira to your Jira Cloud instance.
Both the https://marketplace.atlassian.com/apps/1221134/jenkins-integration-for-jira-lite?hosting=server&tab=overview and the https://marketplace.atlassian.com/apps/1211376/jenkins-integration-for-jira?hosting=server&tab=overview support automated migration paths using the Jira Cloud Migration Assistant.
Migrate from cloud to server
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