Java.sql.SQLException: [IBM][Oracle JDBC Driver]No More Data Available To Read and Fatal NI connect error 12679 (Doc ID 2453714.1)

Last updated on FEBRUARY 27, 2025

Applies to:

Symptoms

Connections from ETL application server to database using Oracle JDBC fail with the following error:

java.sql.SQLException: [IBM][Oracle JDBC Driver]No more data available to read.
  at com.ibm.isf.jdbc.base.BaseExceptions.createException(Unknown Source)
  at com.ibm.isf.jdbc.base.BaseExceptions.getException(Unknown Source)
  at com.ibm.isf.jdbc.base.BaseExceptions.getException(Unknown Source)
  at com.ibm.isf.jdbc.oracle.net8.OracleNet8NSPTDAPacket.sendRequest(Unknown Source)
  at com.ibm.isf.jdbc.oracle.OracleImplConnection.connectAndAuthenticate(Unknown Source)
  at com.ibm.isf.jdbc.oracle.OracleImplConnection.open(Unknown Source)
  at com.ibm.isf.jdbc.base.BaseConnection.connect(Unknown Source)
  at com.ibm.isf.jdbc.base.BaseConnection.setupImplConnection(Unknown Source)
  at com.ibm.isf.jdbc.base.BaseConnection.open(Unknown Source)
  at com.ibm.isf.jdbc.base.BaseDriver.connect(Unknown Source)
  at java.sql.DriverManager.getConnection(DriverManager.java:379)
  at java.sql.DriverManager.getConnection(DriverManager.java:415)
 

In the database alert log, Fatal NI connect error 12679 is reported.

SQL*Plus connections succeed, but JDBC is unable to connect to database.

Changes

Cause

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