TNS-12535 While Connecting Via Shared Servers (Doc ID 823274.1)

Last updated on MAY 25, 2016

Applies to:

Oracle Net Services - Version 10.1.0.3 to 11.2.0.4 [Release 10.1 to 11.2]
Information in this document applies to any platform.

This problem can occur on any platform.

Symptoms

Error TNS-12535 when connecting to Oracle database via dispatchers (shared servers).

The dispatcher trace shows following error message -

NS Primary Error: TNS-12535: TNS:operation timed out
NS Secondary Error: TNS-12606: TNS: Application timeout occurred
kmduicxd: 0EEE01DC, kmduiflg: 1, circuit: 4D08C930
(circuit) dispatcher process id = (85917028, 1)
parent process id = (64, 1)
serial # = 44
connection context = 0EEE01DC
user session = (00000000), flag = (100c0), queue = (9)
current buffer = (0), status = (4, 0)
Client Address = (ADDRESS=(PROTOCOL=tcp)(HOST=<IP address>)(PORT=<port>))

Cause

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