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Support Article

ORA-12592: TNS:bad packet exception error



Users are sporadically encountering "ORA-12592: TNS:bad packet" errors in the production environment. 

Error Messages

2015-10-15 00:51:10,844 [fault (self-tuning)'] [your_thread] [your_app:01.01.01] (.access.ResultPageIteratorImpl) ERROR - Encountered a problem when getting a result from the database
java.sql.SQLException: ORA-12592: TNS:bad packet

at oracle.jdbc.driver.T4CTTIoer.processError(
at oracle.jdbc.driver.T4CTTIoer.processError(
at oracle.jdbc.driver.T4C8Oall.processError(
at oracle.jdbc.driver.T4CTTIfun.receive(
at oracle.jdbc.driver.T4CTTIfun.doRPC(
at oracle.jdbc.driver.T4C8Oall.doOALL(
at oracle.jdbc.driver.T4CPreparedStatement.doOall8(
at oracle.jdbc.driver.T4CPreparedStatement.fetch(
at oracle.jdbc.driver.OracleResultSetImpl.close_or_fetch_from_next(
at Source)

Steps to Reproduce

There is no specific use case to reproduce this behavior.

Root Cause

A defect or configuration issue in the operating environment. A firewall was intermittently interrupting database requests on the network which led to the exception.


Make the following change to the operating environment:

Remove the firewall on the network between the application server and the database server.

Published January 31, 2016 - Updated October 8, 2020

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