Dear All..
i got the trouble when i want installation oracle apps 12.2..i got stuck when installation database tier.
i used virtual box oracle linux 5.7
and there are list of error..
creating datafile file number=29 name=/u01/ora/PROD/data/system23.dbf
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of restore command at 03/31/2016 09:12:48
ORA-01119: error in creating database file '/u01/ora/PROD/data/system23.dbf'
ORA-27086: unable to lock file - already in use
Linux-x86_64 Error: 11: Resource temporarily unavailable
Additional information: 8
Additional information: 21176
RMAN-06956: create datafile failed; retry after removing /u01/ora/PROD/data/system23.dbf from OS
i created the SR and no solving until now..
Thank You
Dico