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Posted to issues@activemq.apache.org by "Piotr Klimczak (Jira)" <ji...@apache.org> on 2021/06/14 11:10:00 UTC

[jira] [Updated] (AMQ-8299) ActiveMQMapMessage data corruption- should use LinkedHashMap to preserve original order

     [ https://issues.apache.org/jira/browse/AMQ-8299?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Piotr Klimczak updated AMQ-8299:
--------------------------------
    Summary: ActiveMQMapMessage data corruption- should use LinkedHashMap to preserve original order  (was: ActiveMQMapMessage should use LinkedHashMap to preserve original order)

> ActiveMQMapMessage data corruption- should use LinkedHashMap to preserve original order
> ---------------------------------------------------------------------------------------
>
>                 Key: AMQ-8299
>                 URL: https://issues.apache.org/jira/browse/AMQ-8299
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: JMS client
>    Affects Versions: 5.16.2
>            Reporter: Piotr Klimczak
>            Priority: Major
>
> The core principle of messaging system should be that payload sent by produced is received exactly same (unmodified) on consumer side.
> However due to ActiveMQMapMessage using HashMap for map data, the order of entries is not guaranteed.
> This is especially true when we are sending LinkedHashMap on produced side. Then the consumer side will receive out of order data.



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