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Intermittent "The Network Adapter could not establish the connection" Messages and TNS-12502 Errors Signaled During the Runtime of ODI Processes (Doc ID 1323777.1)

Last updated on MAY 10, 2021

Applies to:

Oracle Data Integrator - Version 3.2.03.01 and later
Information in this document applies to any platform.


Symptoms

Oracle Data Integrator (ODI) execution intermittently receives the following message in Integration Interface/ODI 12c Mapping tasks :

17002 : null : java.sql.SQLException: IO exception: The Network Adapter could not establish the connection

Moreover, the following may be observed on the Oracle listener logfile:

...
TNS-12502: TNS:listener received no CONNECT_DATA from client
...

Each of them appearing to be directly related to the IO exception messages.

Cause

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In this Document
Symptoms
Cause
Solution
References

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