DRCP Connections Results in ORA-28547 or ORA-3135

(Doc ID 563943.1)

Last updated on OCTOBER 12, 2016

Applies to:

Oracle Net Services - Version to [Release 11.1]
Information in this document applies to any platform.
This problem can occur on any platform.


Connections using Database Resident Connection Pooling (DRCP), connection string containing SERVER=POOLED, fail with error code


SQL> connect scott/tiger@sample.com
Enter password:
ORA-28547: connection to server failed, probable Oracle Net admin error

Oracle Net client trace

nserror: nsres: id=0, op=68, ns=12537, ns2=12560;  nt[0]=507, nt[1]=0, nt[2]=0; ora[0]=0, ora[1]=0, ora[2]=0
nsbasic_brc: exit: oln=0, dln=0, tot=0, rc=-1
nioqer: entry
nioqer:  incoming err = 12151
nioqce: entry
nioqce: exit
nioqer:  returning err = 3113


SQL> connect scott/tiger@sample.com  
ORA-03135: connection lost contact   
Process ID: 0   
Session ID: 140 Serial number: 84  

Unix Oracle Net Client trace shows

nserror: nsres: id=0, op=68, ns=12547, ns2=12560;  nt[0]=517, nt[1]=104, nt[2]=0; ora[0]=0, ora[1]=0, ora[2]=0 
nsbasic_brc: exit: oln=0, dln=0, tot=0, rc=-1 
nioqrc: wanted 1 got 0, type 0 
nioqper: error from nioqrc 
nioqper: ns main err code: 12547 
nioqper: ns (2) err code: 12560 
nioqper: nt main err code: 517 
nioqper: nt (2) err code: 104 
nioqper: nt OS err code: 0 
nioqer: entry 
nioqer: incoming err = 12151 
nioqce: entry 
nioqce: exit 
nioqer: returning err = 3135 
nioqer: exit 

Dedicated or Shared Server connections (SERVER=DEDICATED or SERVER=SHARED) work fine.


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