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Support Article

Upgrade throws SQLRecoverableException: Closed Connection



Application is updated to Pega 7.1.6. The installation of user defined functions (UDF) failed.

Error Messages

WARNING: Encountered database error attempting to load jar into Oracle: Closed Connection
java.sql.SQLRecoverableException: Closed Connection
at oracle.jdbc.driver.OracleStatement.ensureOpen(
at oracle.jdbc.driver.OracleStatement.executeUpdateInternal(
at oracle.jdbc.driver.OracleStatement.executeUpdate(

Steps to Reproduce

Run upgrade script.

Root Cause

A defect or configuration issue in the PRPC operating environment:
The upgrade was run from laptop on Windows and the database was on Unix. The database connection was closed by the network.


Make the following change to the PRPC operating environment:
Run the upgrade from Unix that is in the same data center as the database.

Published November 8, 2016 - Updated October 8, 2020

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