–Database Log RAC Environment Node 1

Fri Jun 28 02:44:30 2019

***********************************************************************

Fatal NI connect error 12537, connecting to:
(LOCAL=NO)

VERSION INFORMATION:
TNS for Linux: Version 11.2.0.4.0 – Production
Oracle Bequeath NT Protocol Adapter for Linux: Version 11.2.0.4.0 – Production
TCP/IP NT Protocol Adapter for Linux: Version 11.2.0.4.0 – Production
Time: 28-JUN-2019 02:44:30
Tracing not turned on.
Tns error struct:
ns main err code: 12537

TNS-12537: TNS:connection closed
ns secondary err code: 12560
nt main err code: 0
nt secondary err code: 0
nt OS err code: 0
opiodr aborting process unknown ospid (103074) as a result of ORA-609

—Listen to log node 1

28-JUN-2019 02:44:30 * <unknown connect data> * 12537
TNS-12537: TNS:connection closed
TNS-12560: TNS:protocol adapter error
TNS-00507: Connection closed
Linux Error: 115: Operation now in progress
28-JUN-2019 02:44:30 * service_update * test1 * 0

–Solution: