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Database JMS NonDurable Subscriber Issues (Doc ID 417548.1)

Last updated on MARCH 05, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.1 to 11.1.0.6 [Release 9.2 to 11.1]
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.
This problem can occur on any platform.

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Symptoms

In the case of abnormal termination of a JMS client application which uses NonDurable subscribers you will be faced by the following symptoms

1. Non-durable subscriber entries are left orphaned in a queue table if the OJMS client terminates
abnormally.

2. Messages are left in a READY state until the orphaned subscriber is removed manually.

3. There is no way to distinguish between the messages associated with active consumers and those which are orphaned.

In the case of running a heavily loaded JMS NonDurable subscriber application you may see

1. High contention on the library cache load lock.

2. Intermittent slow downs which have the initial appearance of hangs.

Cause

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In this Document
Symptoms
Cause
Solution
References


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