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TNS-12502 And "Network Adapter could not establish the connection" Error While Restarting the Jboss After Patching Oracle DB. (Doc ID 968280.1)

Last updated on SEPTEMBER 10, 2019

Applies to:

Identity Manager - Version to
Information in this document applies to any platform.


After upgrading Oracle Database with some db patch(s) the Jboss server running OIM doesn't start and throws the following errors:

WARN [org.jboss.resource.connectionmanager.JBossManagedConnectionPool] Throwable while attempting to get a new connection: null
org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (java.sql.SQLRecoverableException: Io exception: The Network Adapter could not establish the connection

The error seen on the Database side is:

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

The issue is reported to be reproduced using the following steps:

1. Upgrade the Oracle DB used by the OIM with some db patch that is certified to work with OIM
2. Restart the Jboss Server running OIM.


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