[INFO]  ..... WARN [http-nio-1990-exec-7] 
         [confluence.impl.hibernate.ConfluenceHibernateTransactionManager] 
         doRollback Performing rollback. Transactions:
[INFO]  ->[PluginReadWriteTx]: PROPAGATION_REQUIRED,ISOLATION_DEFAULT (Session #.....)
[INFO]  – referer: ...../confluence/pages/viewpage.action?spaceKey=PP&title=x | 
        url: /confluence/rest/create-dialog/1.0/space-blueprint/dialog/web-items | 
        traceId: ..... | userName: .....