Exception occurred: java.util.ConcurrentModificationException is raised when editing issues
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
When performing issue actions, for example, Edit Issue, an error is shown to the user:
Exception occurred: java.util.ConcurrentModificationException
Environment
- Jira Server or Data Center
- Extension for Jira Service Desk app is installed
Diagnosis
- You see the error message above
- Your environment matches above
Cause
The Extension for Jira Service Desk app has a yet to be determined negative interaction with Jira. While it is enabled, in some situations the error above can occur.
Solution
- Disable the app
- If the problem goes away, contact the app vendor for assistance
Last modified on Jan 11, 2022
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