Dropdown appears empty in Adobe Experience Manager until JVM cache is cleared or instance restarted
If a dropdown component in Adobe Experience Manager (AEM) appears empty, clear the JVM cache or restart the AEM instance to resolve the issue.
Description description
Environment
Adobe Experience Manager (all versions)
Issues/Symptoms
- A dropdown component in the AEM Author or Publisher environment appears empty.
- No specific error messages or stack traces are shown.
- The issue is temporarily resolved by clearing the JVM cache or restarting the AEM instances.
Cause
The dropdown might appear empty due to stale or corrupted data in the JVM cache. Restarting the AEM instance or clearing the JVM cache refreshes the cached data and restores normal dropdown functionality.
Resolution resolution
Follow the steps below to resolve the issue.
- Clear the JVM cache for the affected AEM instances (Author, Publisher, or both), if your deployment process supports it. Restarting the AEM instance typically clears the JVM cache.
- Restart the affected AEM Author and Publisher instances in a controlled manner during a maintenance window to avoid service disruption.
- Verify that the dropdown component displays the expected values after the restart.
- Collect additional logs and details for further troubleshooting if the issue recurs.
Related reading
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