11.2 Client Unable To Receive Notifications From 11.2 Database
(Doc ID 1310859.1)
Last updated on FEBRUARY 03, 2019
Applies to:Oracle Data Provider for .NET - Version 184.108.40.206 and later
Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Information in this document applies to any platform.
*** Checked for relevance on 30-Sep-2016 ***
Some versions of 11.2 client software is unable to receive change notifications / OCI Callbacks or AQ notifications against some versions of 11.2 database.
Typically no errors result, and the observed behavior is that the notification simply does not occur.
A row will be observed in DBA_CHANGE_NOTIFICATION_REGS, but then be removed, without notification occurring at the client.
Note that the behavior of this problem is consistent, and no notifications at all will be received. This bug does not apply for intermittent behaviors.
In the case of 18.104.22.168 client pointing to 22.214.171.124 database, the following error may occur:
kpcest_err_handler: Max errors exceeded..Closing connection
Behavior may be noticed as a result of upgrading either client or database software to the affected versions, or after applying a CPU that contains the fix for unpublished Bug 10065474 .
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