Can spring make rmi calls between different versions?

recently upgraded a service from spring 4 to spring 5, but the rmi call returned a null pointer. I wonder if the rmi call failed because the service providing the rmi call also used different versions of spring 4 spring?

Feb.11,2022
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e39e9b-43db7.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e39e9b-43db7.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?