[hibernate-issues] [Hibernate-JIRA] Issue Comment Edited: (HHH-7004) Query cache is getting weird after an update into a single transaction

[Strong Liu (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-7004?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=45298#comment-45298 ] 

Strong Liu edited comment on HHH-7004 at 1/30/12 2:22 AM:
----------------------------------------------------------

{code}
TX1:                         TX2:

getBylabel                   getBylabel
update                       getBylabel
getBylabel                   getBylabel
getBylabel                   getBylabel
rollback                     getBylabel
{code}
----------------------------------------------
query cache is a process scope cache, not transactional scope

      was (Author: stliu):
    TX1:                         TX2:

getBylabel                   getBylabel
update                       getBylabel
getBylabel                   getBylabel
getBylabel                   getBylabel
rollback                     getBylabel
----------------------------------------------
query cache is a process scope cache, not transactional scope
  
> Query cache is getting weird after an update into a single transaction
> ----------------------------------------------------------------------
>
>                 Key: HHH-7004
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-7004
>             Project: Hibernate ORM
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.6.9, 4.0.1
>            Reporter: Romain Gonord
>            Assignee: Strong Liu
>         Attachments: testHibernateEhCache.tgz
>
>
> Hi all,
> I'm using hibernate 4.0.1 and I'm facing a strange behavior. I can reproduce it with hibernate 3.6.9.
> I have an entity (integer id, string label) with query cache and level2 cache activated.
> If I load this object by its label, i get one select in the log and every following getbylabel doesn't produce any select query.
> As soon as I modify my object (that leads to an update query), each time I call the getbylabel, i get a select.
> By activating hibernate log, i can see that there is something strange with cache timestamp, which lead me to the following bug report : https://hibernate.onjira.com/browse/HHH-5210.
> Any idea ?

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