Solution : https://service.sap.com/sap/support/notes/609332 (SAP Service marketplace login required)
Key words :
error => oci-call 'olog' failed, rc = 12541 error => connect failed, listenerwork processes report, terms tns-12541 12541 reason, tcp/ip link, error occurs sporadically, wrong configuration files, correct configuration files, local environment variable, lsnrctl start my_listener
Related Notes :
445038 | Problems when accessing Net8 configuration files |
396873 | UNIX: Error due to socket authorizations |
131561 | Work processes sometimes abend during database connect |