https://support.atlassian.com/confluence/kb/fetching-page-history-through-rest-api-throws-a-nullpointerexception-at-historybuildercreateddate/
Fetching page history through REST API throws a NullPointerException at HistoryBuilder.createdDate...
Learn how to resolve NullPointerException errors in Confluence REST API when fetching page history with invalid date entries.
page historyrest api