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How To Reproduce Problems Related to AM Passivation / Activation (Doc ID 417546.1)

Last updated on SEPTEMBER 24, 2019

Applies to:

Oracle JDeveloper - Version to [Release Oracle10g to Oracle11g]
Information in this document applies to any platform.
***Checked for relevance on 08-Nov-2013***


This bulletin explains how to test that an ADF Business Component application is activation-safe.


Some users report intermittent errors like the following, occurring under heavy load in the Production environment:

JBO-27120: SQL error during query execution. Statement: <SQL Statement>
java.sql.SQLException: Missing IN or OUT parameter at index:: <index number>


JBO-30003: The application pool (AppModuleLocal) failed to checkout an application module

due to the following exception:

oracle.jbo.JboException: JBO-29000: Unexpected exception caught:
oracle.jbo.common.UnknownSQLTypeException, msg=JBO-25000: Unknown SQL type: null

These errors are difficult to diagnose as developers cannot reproduce in the Development or Test environments.


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