Team Calendars throw error 500 right after an upgrade to Confluence version 7
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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
Problem
After upgrading Confluence from 6.x to 7.x, Team Calendar stops working and throws an error 500 on the banner:
The following appears in the atlassian-confluence.log
2021-05-16 00:00:00,000 ERROR [https-jsse-nio-8443-exec-42 url:/rest/calendar-...tching/status.json username:user1] [common.error.jersey.ThrowableExceptionMapper] toResponse Uncaught exception thrown by REST service: 'com.atlassian.confluence.mail.notification.Notification com.atlassian.confluence.mail.notification.NotificationManager.getNotificationByUserAndPage(com.atlassian.user.User, com.atlassian.confluence.pages.AbstractPage)'
-- referer: https://confluence/display/TEST/Test+Page | url: /rest/calendar-services/1.0/calendar/subcalendars/watching/status.json | traceId: 030d1147135daad4 | userName: user1
java.lang.NoSuchMethodError: 'com.atlassian.confluence.mail.notification.Notification com.atlassian.confluence.mail.notification.NotificationManager.getNotificationByUserAndPage(com.atlassian.user.User, com.atlassian.confluence.pages.AbstractPage)'
at com.atlassian.confluence.extra.calendar3.DefaultCalendarManager.isWatchingViaContent(DefaultCalendarManager.java:2161)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.base/java.lang.reflect.Method.invoke(Unknown Source)
Diagnosis
Environment
Confluence version 7.x or above
- Team Calendar version 6.02x
Cause
The current Team Calendar version is not compatible with the newly upgraded Confluence version.
Resolution
According to Team Calendars Version History, TC 6.0.2x is compatible with Confluence Server 5.10.7 - 6.14.3. After upgrading Confluence to 7.x, you'll have to update the Team Calendar app to a compatible version (6.0.47+).
- Log in to Confluence as a System Administrator
- Go to Manage Apps
- Locate the Team Calendar app
- Upgrade to the latest compatible version by clicking on the "Upgrade" button