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Support Article

ORA-12592: TNS:bad packet exception error

SA-15875

Summary



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 your_server.your_org.com - Encountered a problem when getting a result from the database
java.sql.SQLException: ORA-12592: TNS:bad packet

at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:447)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:396)
at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:951)
at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:513)
at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:227)
at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:531)
at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:208)
at oracle.jdbc.driver.T4CPreparedStatement.fetch(T4CPreparedStatement.java:1121)
at oracle.jdbc.driver.OracleResultSetImpl.close_or_fetch_from_next(OracleResultSetImpl.java:384)
at oracle.jdbc.driver.OracleResultSetImpl.next(OracleResultSetImpl.java:288)
at weblogic.jdbc.wrapper.ResultSet_oracle_jdbc_driver_OracleResultSetImpl.next(Unknown Source)
at com.pega.pegarules.data.internal.access.DatabaseResultSet.next(DatabaseResultSet.java:387)
at com.pega.pegarules.data.internal.access.ResultPageIteratorImpl.next(ResultPageIteratorImpl.java:556)
at com.pega.pegarules.data.internal.access.RDBPageResultPackager.handleResultSet(RDBPageResultPackager.java:506)
at com.pega.pegarules.data.internal.access.RDBPageResultPackager.packageResults(RDBPageResultPackager.java:301)
at com.pega.pegarules.data.internal.access.DatabaseImpl.list(DatabaseImpl.java:5192)
at com.pega.pegarules.data.internal.access.DatabaseImpl.executeRDB(DatabaseImpl.java:5519)
at com.pega.pegarules.data.internal.access.DatabaseImpl.executeRDB(DatabaseImpl.java:5486)
at com.pega.pegarules.data.internal.access.DatabaseImpl.executeRDB(DatabaseImpl.java:5467)


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.

Resolution



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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