"Error communicating with server" in the connect to cloud screen
Platform notice: Server and Data Center only. This article only applies to Atlassian products on the Server and Data Center platforms.
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
Learn what to do when this error message appears when trying to connect to your cloud site using the Jira Cloud Migration Assistant (JCMA), or the Confluence Cloud Migration Assistant (CCMA).
Overview
This generic error message dialog in the migration assistant interface follows the below signature in the application log file atlassian-jira.log.
WARN [com.atlassian.migration.agent.service.analytics.AnalyticsEventService:thread-96] [atlassian.cmpt.crypto.BcryptAnalyticsEmailHasher] hash Malformed email address
-- url: /rest/migration/latest/mas/event/ui | referer: http://xxxxx.xxxxxxx.com:8090/admin/migration.action? | traceId: xxxxxxxxxxx | userName: xxxx.xxxxx
java.lang.IllegalArgumentException: Malformed email address. Does not contain only one mandatory symbol @The error indicates that the user attempting to migrate has an incorrect email address registered on the Jira On-Premise instance.
Solution
Update the email address of the user initiating the migration, and retry the steps.
Below are the supportive documents on how to update the user email address: