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https://issues.jboss.org/browse/AS7-5063?page=com.atlassian.jira.plugin.s...
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Rich DiCroce commented on AS7-5063:
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I've just discovered a nasty EclipseLink bug. There are more details here
(
http://www.eclipse.org/forums/index.php/m/905614/), but the short version is that
there's a race condition in EclipseLink's JPQL parser that can occur when a
persistence unit is first initialized. My project has a pair of @Singleton @Startup EJBs
that both need to query the database as part of their @PostConstruct, and they hit this
bug very consistently on AS 7.1.1.Final. The guy who started the linked forum thread said
he was going to file a bug report. I asked whether he actually did that, because I
can't find one. If he didn't or he doesn't answer, I'll create a new issue
in Eclipse's bug tracker. In the meantime, I've added a hack to work around the
issue (source available at the link) that could be packaged as part of the integration
module.
AS7 should pass the property "eclipselink.target-server =
JBoss" to persistence providers, or at least EclipseLink
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Key: AS7-5063
URL:
https://issues.jboss.org/browse/AS7-5063
Project: Application Server 7
Issue Type: Enhancement
Components: JPA / Hibernate
Affects Versions: 7.1.1.Final
Reporter: Craig Ringer
Assignee: Scott Marlow
Priority: Minor
Labels: eclipselink, jpa
Fix For: 7.2.0.Alpha1
For EclipseLink to properly identify the container and set up correct transaction
integration, etc, it needs the property "eclipselink.target-server" to be set to
"JBoss".
There's an open issue asking EclipseLink to auto detect the container
(
https://bugs.eclipse.org/bugs/show_bug.cgi?id=383257) but right now, a simple solution to
making EclipseLink work well on AS7 is for AS7 to pass that property to EclipseLink.
That'll help prevent issues and confusion like this:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=365704
Users can set it as a system property right now as shown on bug 383257, but really
it'd be best if JBoss passed it to the persistence unit during creation.
Time permitting I'll give this a go.
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