ORA-12537: TNS:connection closed
Two node RAC,Version 11.2.0.4.0
[oracle@CRMDB ~]$ sqlplus /nolog
SQL*Plus: Release 11.2.0.4.0 Production on Sat Jun 24 10:57:57 2017
Copyright (c) 1982, 2013, Oracle. All rights reserved.
SQL> conn system/xxxxx@(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=db1-vip)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=CRMDB)(INSTANCE_NAME=CRMDB1)))
Connected.
SQL> conn system/xxxxx@(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=db2-vip)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=CRMDB)(INSTANCE_NAME=CRMDB2)))
ERROR:
ORA-12537: TNS:connection closed
SQL>
listener log:
24-JUN-2017 11:01:42 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=crmdb2)(USER=grid))(COMMAND=status)(ARGUMENTS=64)(SERVICE=LISTENER)(VERSION=186647552)) * status * 0
24-JUN-2017 11:01:50 * (CONNECT_DATA=(SERVICE_NAME=CRMDB)(INSTANCE_NAME=CRMDB2)(CID=(PROGRAM=sqlplus)(HOST=CRMDB)(USER=oracle))) * (ADDRESS=(PROTOCOL=tcp)(HOST=66.0.191.95)(PORT=62140)) * establish * CRMDB * 12518