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Messaging Gateway Agent intermittently reports ORA-64201 and message propagation halts (Doc ID 1077684.1)

Last updated on FEBRUARY 26, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 11.2.0.1 [Release 10.2 to 11.2]
Information in this document applies to any platform.

Symptoms

Intermittently the the Messaging Gateway Agent (MGW) reports

java.sql.SQLException: ORA-21500 with the following stack

at oracle.jdbc.driver.T2CConnection.freeTemporary(T2CConnection.java:2067)
at oracle.sql.BLOB.freeTemporary(BLOB.java:643)
at
oracle.mgw.drivers.aq.AQMsgConsumer$Dequeuer.freeTempBlob(AQMsgConsumer.java:1
417)

and outbound message propagation halts.

The message payload contains LOBs which results in the creation of temporary LOBs during message propagation. Transformation code using PL/SQL and Java is also being used.

After application of <Patch 8247950> the ORA-21500 is converted to an ORA-64201 but the problem remains.

Changes

Upgraded the system from 10.1.0.5 to 10.2.0.4. 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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