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High waits observed for the "SQL*Net Break/reset To Client" wait event when using a Message Driven Bean (Doc ID 1624604.1)

Last updated on DECEMBER 23, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 12.1.0.1 [Release 11.2 to 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

 A high number of "SQL*Net break/reset to client" wait events are observed in a production environment.

After performing some tracing using Client Identifiers, the waits are almost all related Advanced Queue (AQ) dequeue calls

In particular these relate to ORA-25228 errors. The ORA-25228 just indicates that there are no more messages in the queue.

Cause

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In this Document
Symptoms
Cause
Solution


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