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New JDBC Data Source On WebLogic Server Throw 'DBMS Driver Exception Was: IO Error: The Network Adapter Could Not Establish The Connection' (Doc ID 2435163.1)

Last updated on AUGUST 15, 2018

Applies to:

Oracle WebLogic Server - Version 10.3.6 and later
Information in this document applies to any platform.

Symptoms

 When creating a new JDBC Data Source on WebLogic Server 10.3.6 to connect to Oracle RAC DB using Connection URL with Scan address throws below error.

1. 'lsnrctl status' on database show Service status READY

2. dbping returns Success!

    Example:  java utils.dbping ORACLE_THIN <DBUser> <DBUserPassword> <DBHost:DBPort/DBName>

3. Check 'tnsnames.ora' on database to see the connection URL configured on WebLogic is correct

Changes

 

Cause

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