Solution : https://service.sap.com/sap/support/notes/566051 (SAP Service marketplace login required)
Key words :
rc = -2 log by2=>sql error -1 performing con [dblink#1 @ 419] log by0=><message text, rc = -1 error => oci-call 'ocierrorget' failed, error => oci-call 'ociinitialize' failed, sql error '1019', $oracle_home/oracore directory including, $oracle_home/oracore directory, > [dblink#1 @ 419]ora-01019, user side reason, oracle client 9i, oracle client software
Related Notes :
| 539922 | Installing the ORACLE client software 9.2.X for UNIX |
| 521230 | FAQ: Client software 9i or lower on UNIX |