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via Stack Overflow by mihaisimi
, 2 years ago
This exception has no message.
java.lang.NullPointerException: 	at java.lang.String.compareTo(String.java:1168)	at com.atlassian.confluence.labels.actions.RankedNameComparator.compare(RankedNameComparator.java:13)	at java.util.TreeMap.put(TreeMap.java:530)	at java.util.TreeSet.add(TreeSet.java:238)	at com.atlassian.confluence.labels.DefaultLabelManager.getRankedLabels(DefaultLabelManager.java:463)	at com.atlassian.confluence.labels.DefaultLabelManager.getMostPopularLabelsWithRanksInSpace(DefaultLabelManager.java:449)