My Oracle Support Banner

Issue While Starting Weblogic Admin Server When DB Server Turn On Firewall (Doc ID 2772271.1)

Last updated on MAY 06, 2021

Applies to:

Oracle Agile Product Collaboration - Version 9.3.6.0 and later
Information in this document applies to any platform.

Goal

When attempting to start admin server with Database Server's  windows firewall  turned on
the following error occurs.

ERROR
-----------------------
Error Code: 17002
at org.eclipse.persistence.exceptions.DatabaseException.sqlException(DatabaseException.java:331)
at org.eclipse.persistence.exceptions.DatabaseException.sqlException(DatabaseException.java:326)
at org.eclipse.persistence.sessions.DefaultConnector.connect(DefaultConnector.java:138)
at org.eclipse.persistence.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:162)
at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.setOrDetectDatasource(DatabaseSessionImpl.java:204)
Truncated. see log file for complete stacktrace
Caused By: java.sql.SQLRecoverableException: IO Error: Unknown host specified
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:800)
at oracle.jdbc.driver.PhysicalConnection.connect(PhysicalConnection.java:793)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:33)


STEPS
-----------------------
The issue can be reproduced at will with the following steps:
1. Turn on Database Server's  windows firewall
2. Open port 1521
3. Start Admin server
4. Error comes up

Solution

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Goal
Solution


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.