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Event Monitor hangs in snttwrite when the Client Application is Suspended (Doc ID 461697.1)

Last updated on APRIL 05, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 10.2.0.3 [Release 10.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Advanced Queueing OCI notification to all oci clients is halted when one of the client applications is suspended.

The Event monitor process (EMON) hangs trying to communicate with the suspended client.
Killing the EMON process and letting it restart allows notification to work again.

EMON hangs in snttwrite when a registered client application is suspended with the call stack

nttwr -> snttwrite -> nsntwrn -> nspsend

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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