[hibernate-issues] [Hibernate-JIRA] Updated: (HSEARCH-476) Eventlisteners triggering mutiple times and on null primary keys

[Sanne Grinovero (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-476?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sanne Grinovero updated HSEARCH-476:
------------------------------------

    Attachment: test.log
                testAndWorkaround.patch

The patch contains a proof of concept of a possible workaround - i.e. to ignore work referring to null primary keys - and a test showing the problem. Also some debug statements are added.

The test.log attachment best illustrates the problem by showing the amount and type of work which is sent to the workqueue: the duplicates shouldn't be a problem as they cancel each other out, but the work with null pk causes problems.
Also note the system.out in the end which shows that the null-id works was added to the index.

> Eventlisteners triggering mutiple times and on null primary keys
> ----------------------------------------------------------------
>
>                 Key: HSEARCH-476
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-476
>             Project: Hibernate Search
>          Issue Type: Bug
>          Components: engine
>    Affects Versions: 3.1.0.CR1, 3.1.0.GA, 3.1.1.GA, 3.2.0.Beta1
>            Reporter: Sanne Grinovero
>            Assignee: Emmanuel Bernard
>            Priority: Critical
>         Attachments: test.log, testAndWorkaround.patch
>
>
> When persisting a non-trivial (but also not overly complex) entity graph many events are fired more than once, and several times while the primary key is not yet assigned. This causes much trouble in the workQueue: it might contain duplicate work, work about entities with null PK, and possibly even in a work order which results in an inconsistent index.

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