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Posted to dev@ofbiz.apache.org by "Markus M. May (JIRA)" <ji...@apache.org> on 2012/08/28 10:14:08 UTC

[jira] [Commented] (OFBIZ-3557) Enforced sequence does not work with concurrent access

    [ https://issues.apache.org/jira/browse/OFBIZ-3557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13443022#comment-13443022 ] 

Markus M. May commented on OFBIZ-3557:
--------------------------------------

We are running into the same issue on the 12.04 branch. Any hints on this one?
                
> Enforced sequence does not work with concurrent access
> ------------------------------------------------------
>
>                 Key: OFBIZ-3557
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-3557
>             Project: OFBiz
>          Issue Type: Bug
>          Components: framework
>    Affects Versions: Release Branch 09.04, SVN trunk
>            Reporter: Wickersheimer Jeremy
>         Attachments: OFBIZ-3557-1.patch, OFBIZ-3557-2.patch
>
>
> There is a fundamental issue with enforced sequences (for orders, invoices, etc ..) and concurrency.
> For example if two users are creating an order at the same time one of them will see the creation fail with a PK error. The problem is that the "getNextXXXId" rely on the party accounting preference entity, but there is absolutely no guarantee that the last number in the sequence gets updated before another service can read it.
> This is at best very annoying when used only internally but may be unpractical for e-commerce sites.

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