Bug 978977 - Messages are redelivered on reconnect, XA transactions
Messages are redelivered on reconnect, XA transactions
Status: NEW
Product: Red Hat Enterprise MRG
Classification: Red Hat
Component: qpid-jca (Show other bugs)
Unspecified Unspecified
high Severity high
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Assigned To: Ted Ross
Eric Sammons
Depends On:
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Reported: 2013-06-27 08:23 EDT by Valiantsina Hubeika
Modified: 2015-01-04 17:56 EST (History)
4 users (show)

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Doc Type: Bug Fix
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Description Valiantsina Hubeika 2013-06-27 08:23:55 EDT
Description of problem:

Atomicity of messages sent under XA is lost when qpidd is killed and started again. A message that is read under an XA transaction is redelivered on reconnect.

Version-Release number of selected component (if applicable):


How reproducible:
100 %

Steps to Reproduce:
1. send a number of messages to a queue in one xa transaction
2. read messages from queue with MDB one by one using xa , store messages to a DB
3. kill qpidd and start qpidd
4. read the rest of messages with MDB, storing them to the DB
5. check the number of messages in the DB

Actual results:

In the DB, there is a large number of duplicate messages found (1 to 25 % of the original number)

Expected results:

In the DB, only messages that were found in the queue should be found, with no duplicates.

Additional info:

Additionally, the test was run without the database (to avoid possible DB malfunctioning). Instead an auxiliary queue was used to store read messages. The result is exactly the same.

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