Hi Michael, thanks by return about my issues !
After research my application for many times I found some problems because the netbeans did not clear all archives so some files as diferents trash persistence.xml were lost inside some parts.
Sorry by my bad English
Best regards
From: eclipselink-users-bounces@xxxxxxxxxxx
[mailto:eclipselink-users-bounces@xxxxxxxxxxx] On Behalf Of Michael O'Brien
Sent: segunda-feira, 15 de novembro de 2010 12:57
To: EclipseLink User Discussions
Subject: Re: [eclipselink-users] problem with criteria The type [null] is not the expected [EntityType] for the key class [class br.com.thinkit.db.Ativos] - try upgrade past 8141.
Daniel,
Hi, this is unfortunate - I will try to help narrow down the issue.
You may be experiencing some outstanding issues with the critical child bug 303063 of 266912 that was fixed in rev# 8141 in early Sept 2010, or your issue may be a reproduction of DI 101 depending on the rev# you are running on. It is hard to narrow down
your issue unless we know what type of model you are using (IE: is your @Id singular/composite, is it defined on a @MappedSuperclass superclass or chain), and whether you are running on a container, what type of container (GlassFish?) or just SE (where predeploy
and deploy happen in sequence).
Short answer:
- check your revision is past 8141 - from my forensic analysis cross-referencing your 152 stack trace line to the 160 expected source - it looks like your rev is pre 8006
https://fisheye2.atlassian.com/changelog/eclipselink/?cs=8141
- After you refresh past 8141 - verify you are not seeing DI 95 or 101 - that should be fixed
- see if you are experiencing outstanding DI 101
Long answer:
The following issues were fixed surrounding premature metamodel initialization before the metadata was fully processed
http://wiki.eclipse.org/EclipseLink/Development/JPA_2.0/metamodel_api#DI_95:_20091017:_Attribute.getJavaMember.28.29_returns_null_for_a_BasicType_on_a_MappedSuperclass_because_of_an_uninitialized_accessor
http://wiki.eclipse.org/EclipseLink/Development/JPA_2.0/metamodel_api#DI_106:_20100810:_322585:Metamodel_initialization_via_EMF.getMetamodel.28.29_before_EM_deploy_results_in_an_invalid_Metamodel_because_of_UNINITIALIZED_descriptor.initializationStage
https://bugs.eclipse.org/bugs/show_bug.cgi?id=322585
https://fisheye2.atlassian.com/changelog/eclipselink/?cs=8141
https://bugs.eclipse.org/bugs/show_bug.cgi?id=303063
However, the fix for 322585 in 8141 will not fix all instances (The Metamodel API must assume that all RelationalDescriptors are initialized - with both their class and className set) - we may have a one or more scenarios where the RelationalDescriptor
is not ready to use - these are very difficult to reproduce - see the references for design issue 101
http://wiki.eclipse.org/EclipseLink/Development/JPA_2.0/metamodel_api#DI_101:_20100218:_Descriptor.javaClass_is_null_on_a_container_EM_for_a_specific_case
https://bugs.eclipse.org/bugs/show_bug.cgi?id=315041#c6
The reproduction of DI 101 could only occur if one of the 3 API calls below is called and the underlying ''RelationalDescriptor'' is invalid
MetamodelImpl.embeddable()
MetamodelImpl.entity()
MetamodelImpl.managedType()
Forensics:
From your stack trace I see that you have called MetamodelImpl.entity() and that the stacktrace indicates you are on line 152.
The current trunk version (8492) is 8 lines ahead and would show as :160
at org.eclipse.persistence.internal.jpa.metamodel.MetamodelImpl.entity(MetamodelImpl.java:152)
The 8 lines were added in SVN rev# 8006 on Aug 6 - you therefore are using a version before 8006 and the larger fix in 8141
https://fisheye2.atlassian.com/browse/eclipselink/trunk/jpa/org.eclipse.persistence.jpa/src/org/eclipse/persistence/internal/jpa/metamodel/MetamodelImpl.java?r2=8006&r1=7480
I would like to know if your model reproduced DI 101?
You can also raise an EclipseLink bug so that it can get prioritized and/or voted on.
https://bugs.eclipse.org/bugs/enter_bug.cgi?product=EclipseLink
thank you
/michael
http://www.eclipselink.org
Daniel Gomes-THINK IT wrote:
Hi, I try to developer one application with netbeans platform (RCP) with eclipselink, but sometimes I got the following error:
java.lang.IllegalArgumentException: The type [null] is not the expected [EntityType] for the key class [class br.com.thinkit.db.Ativos].
at org.eclipse.persistence.internal.jpa.metamodel.MetamodelImpl.entity(MetamodelImpl.java:152)
at br.com.thinkit.ConsultaAtivoImpl.<init>(ConsultaAtivoImpl.java:50)
at br.com.thinkit.Installer.restored(Installer.java:38)
at org.netbeans.core.startup.NbInstaller.loadCode(NbInstaller.java:426)
at org.netbeans.core.startup.NbInstaller.load(NbInstaller.java:366)
at org.netbeans.ModuleManager.enable(ModuleManager.java:944)
at org.netbeans.core.startup.ModuleList.installNew(ModuleList.java:318)
at org.netbeans.core.startup.ModuleList.trigger(ModuleList.java:254)
at org.netbeans.core.startup.ModuleSystem.restore(ModuleSystem.java:286)
at org.netbeans.core.startup.Main.getModuleSystem(Main.java:172)
at org.netbeans.core.startup.Main.start(Main.java:302)
at org.netbeans.core.startup.TopThreadGroup.run(TopThreadGroup.java:114)
[catch] at java.lang.Thread.run(Thread.java:662)
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