Database Connections Max Out With "Nested Exception: java.lang.NullPointerException at weblogic.jdbc.wrapper.JDBCWrapperFactory.getWrapper" When Using IBM DB2 DB and Oracle DB2 Type4 Drivers (Doc ID 2140619.1)

Last updated on JUNE 13, 2016

Applies to:

Oracle WebLogic Server - Version 10.3.6 and later
Information in this document applies to any platform.

Symptoms

When connecting to DB2 with the Oracle DB2-Type-4 driver, the following errors are seen in the logs which cause all the DB connections to max out . A reset of the connection pool is required to get the application functional again:

Cause

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