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SQL Exceptions including "Error closing a jdbc child wrapper



Pega applications do not startup. SQL Exceptions including "Error closing a jdbc child wrapper" are observed during boootstrap.

Error Messages

[12/5/17 8:26:17:096 EST] 00000079 WSJccConnecti W DSRA8650W: Error closing a JDBC child wrapper, [email protected] [jcc][10120][10943][4.23.42] Invalid operation: statement is closed. ERRORCODE=-4470, SQLSTATE=null

Steps to Reproduce

Attempt to start application server.

Root Cause

A defect or configuration issue in the operating environment.

The JDBC driver being used is not compatible with the version of DB2 being used.


Ensure that the chosen JDBC driver is compatible with your version of DB2, according to IBM's compatibility matrix.

Published February 16, 2018 - Updated October 8, 2020

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