Version
Oracle IDE 21.2.1.204.1703
Plate-forme Java(TM) 1.8.0_291
context
after database migraiton to 19C
some define connexion randomly crash with
Une erreur s'est produite lors de l'opération demandée :
Erreur d'E/S: The Network Adapter could not establish the connection (CONNECTION_ID=xxxxxxxxxxxxxxxxxxxxxxxx)
Code fournisseur 17002
at connexion or test connexion
Ping hostname =OK
traceroute hostname => OK
telnet hostname port =>OK
any idea or way to get better information
FYI : hostname to VIP or scanlistener always work, this appen only on hostname pointing to scan listener