JCMA 1.11.0 fails to load without Jira Software

Problem Statement

Jira Cloud Migration Assistant is no longer starting up when the JCMA plugin has been updated from 1.10.18 to 1.11.0 where no Jira Software is available.

Summary

Bean failure creation will be seen as follows:

Error creating bean with name 'sprintDaysRemainingUserPrefExporter' defined in URL [bundle://66feb218-78e5-4c18-bc15-c72dbb899c0f_305.0:1/com/atlassian/jira/migration/export/core/portalpage/userpref/SprintDaysRemainingUserPrefExporter.class]: Unsatisfied dependency expressed through constructor parameter 1; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.atlassian.jira.migration.export.software.board.RapidViewExportService' available: expected at least 1 bean which qualifies as autowire candidate. 

Workaround

Install Jira Software on your instance

1. Go to System -> Application -> Look for Jira Software -> Try it for free
2. Wait for the Jira software installation to finish
3. After the installation, navigate to System -> Migrate to Cloud and the error should not occur anymore
4. Try a new migration plan in JCMA

Or

Downgrade JCMA to version 1.10.18

1. Uninstall the current version of Jira Cloud Migration Assistant.
2. Navigate to ${JIRA_URL}/secure/admin/jira/views/SiteDarkFeatures!default.jspa
3. Add the following Dark Feature:

   com.atlassian.jira.migration.skip.app.outdated.check

1. Download the Jar file for the version you want to install: JCMA 1.10.18
2. Navigate to General Configuration > Manage apps
3. Choose Upload app
4. Locate the JAR file you downloaded then click Upload
5. Wait for it to finish installing
6. Try a new migration plan in JCMA

Reference: How to install a specific version of the Jira Cloud Migration Assistant