Details
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Bug
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Resolution: Fixed
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Minor
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11.7-rc-1, 11.6.1
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None
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Unknown
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N/A
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N/A
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Description
As reported in this forum thread / post:
https://forum.xwiki.org/t/help-with-update/5227/8
the ScopeNotificationFilterClassMigrator might throw an NPE while migrating with a stack trace like:
Caused by:
java.lang.NullPointerException
at org.xwiki.notifications.filters.internal.migrators.ScopeNotificationFilterClassMigrator.generateNewXObject(ScopeNotificationFilterClassMigrator.java:169)
at org.xwiki.notifications.filters.internal.migrators.ScopeNotificationFilterClassMigrator.migrateDocument(ScopeNotificationFilterClassMigrator.java:152)
at org.xwiki.notifications.filters.internal.migrators.ScopeNotificationFilterClassMigrator.hibernateMigrate(ScopeNotificationFilterClassMigrator.java:125)
at com.xpn.xwiki.store.migration.hibernate.AbstractHibernateDataMigration.migrate(AbstractHibernateDataMigration.java:118)
at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrations(AbstractDataMigrationManager.java:837)
at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.migrateDatabase(AbstractDataMigrationManager.java:736)
at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrations(AbstractDataMigrationManager.java:657)
I can reproduce the issue when I try to migrate a database from XWiki 9.7 while having some objects of class ##XWiki.Notifications.Code.NotificationPreferenceScopeClass## deleted manually from some user preferences pages.
A simple null check should fix the issue.