Shutdown Hook In New UCP Driver Prematurely Closes The Connection
(Doc ID 2900904.1)
Last updated on MAY 15, 2023
Applies to:
Universal Connection Pool - Version 21.4 and laterInformation in this document applies to any platform.
Symptoms
A custom shutdown hook is not running and in fact is getting overriden by something in the 21c UCP driver. As a result connections are closed prematurely and the custom hook is never fired.
Because of this, the custom application fails to shutdown gracefully: during shutdown, interaction with the database may be required, but it is not possible, because the UCP driver closes all connections independently in parallel thread.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |