查询以下SQL:
                    select * FROM BANDANA where bandanakey like '%synchrony_collaborative%' order by bandanakey;
select * FROM "SECRETS";
    
        SQL
    
  如果没有以下两个值,就是confluence一个bug(Confluence 7.2.1, 7.4.2)
                    synchrony_collaborative_editor_app_id	<string>Synchrony-e8880686-c3f5-3b52-a39c-0ca91c65ce3f</string>
synchrony_collaborative_editor_app_secret	<string>aEev0jWWApE2qnHeLtVjCUnEJKkBeZ8lbJPyWf0TlLs=</string>
    
        SQL
    
 
1、禁掉协同编辑
2、停掉Confluence
3、在数据库中清楚 AppID相关的值:
                    DELETE FROM bandana WHERE bandanakey = 'synchrony_collaborative_editor_app_registered'
         OR bandanakey = 'synchrony_collaborative_editor_app_secret'
         OR bandanakey = 'synchrony_collaborative_editor_app_id';
TRUNCATE TABLE "EVENTS";
TRUNCATE TABLE "SECRETS";
TRUNCATE TABLE "SNAPSHOTS";
    
        SQL
    
 
4、重启Confluence
5、打开协同编辑
https://confluence.atlassian.com/confkb/collaborative-editing-does-not-work-due-to-stored-appid-is-null-1021221721.html