NPE: Unexpected error occurred in scheduled task.
java.lang.NullPointerException
at de.thm.arsnova.FeedbackStorage.cleanFeedbackVotes(FeedbackStorage.java:121)
21:43:01,146 ERROR pool-2-thread-1 support.TaskUtils$LoggingErrorHandler:95 - Unexpected error occurred in scheduled task.
An NPE is thrown when the features property of a session is not set. This might be the case for old sessions. The clean up for further sessions is interrupted in this case.
Regression introduced with Commit 7207bad.
Edited by Daniel Gerhardt