I have filed bug #1502 for this issue. A fix is being sent for review.
Thanks,
Sahoo
Sanjeeb Kumar Sahoo wrote:
> Hi Martin,
>
> You right, the code currently expects the protocol to be file or jar
> on Java SE platform. Can you please file a bug?
>
> Thanks,
> Sahoo
> Martin Bayly wrote:
>> Hi all
>>
>> In digging around for some more info on this issue I came across the
>> java.net Glassfish forum. Is that a better place to ask questions
>> like mine below?
>> After seeing the posts on the persistence_at_glassfish.dev.java.net list
>> over the last few days, I'm getting the impression that this is
>> intended more as an internal list for the developers on the project.
>> Sorry about that. I'll ask future questions over on the Glassfish
>> forum.
>> Incidentally, I'm using build v2-b21. I did find some similar
>> references to my problem in the Glassfish forum, and references to an
>> issue #713 so I'll do some more reading around that. However, I
>> don't quite see how this can work given the nature of the URL
>> returned by Eclipse. Maybe if I jar'd up the code it would work.
>> Normally, when developing/debugging plug-ins in Eclipse the plug-in
>> code is not jar'd.
>>
>> Thanks
>> Martin
>>
>> Martin Bayly wrote:
>>> Hi
>>>
>>> I've been trying to use the TopLink essentials JPA implementation in
>>> an Eclipse Rich Client Platform application but I get the exception
>>> below when I try and create an EntityManagerFactory.
>>>
>>> It seems that this is because the Eclipse plug-in environment
>>> classloaders create URLs of the following form:
>>>
>>> bundleresource://3/META-INF/persistence.xml
>>>
>>> For example the above URL would be returned by a call to:
>>>
>>> ClassLoader loader = Thread.currentThread().getContextClassLoader();
>>> Enumeration<URL> resources =
>>> loader.getResources("META-INF/persistence.xml");
>>>
>>> There is code in PersistenceUnitProcessor that is using the context
>>> class loader in this way to find resources for the persistence units
>>> and this fails with the exception below because it is seems like it
>>> is only expecting URLs with a file or jar protocol.
>>>
>>> [Out of interest the Hibernate JPA implementation seems to handle
>>> this okay]
>>>
>>> Would you consider this a bug, or is it possible I'm doing something
>>> wrong?
>>>
>>> Thanks
>>> Martin
>>>
>>> Exception:
>>>
>>> java.lang.NullPointerException
>>> at
>>> oracle.toplink.essentials.ejb.cmp3.persistence.ArchiveFactoryImpl.createArchive(ArchiveFactoryImpl.java:64)
>>>
>>> at
>>> oracle.toplink.essentials.ejb.cmp3.persistence.PersistenceUnitProcessor.findPersistenceArchives(PersistenceUnitProcessor.java:207)
>>>
>>> at
>>> oracle.toplink.essentials.ejb.cmp3.persistence.PersistenceUnitProcessor.findPersistenceArchives(PersistenceUnitProcessor.java:190)
>>>
>>> at
>>> oracle.toplink.essentials.internal.ejb.cmp3.JavaSECMPInitializer.initialize(JavaSECMPInitializer.java:239)
>>>
>>> at
>>> oracle.toplink.essentials.internal.ejb.cmp3.JavaSECMPInitializer.initializeFromMain(JavaSECMPInitializer.java:278)
>>>
>>> at
>>> oracle.toplink.essentials.internal.ejb.cmp3.JavaSECMPInitializer.getJavaSECMPInitializer(JavaSECMPInitializer.java:81)
>>>
>>> at
>>> oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider.createEntityManagerFactory(EntityManagerFactoryProvider.java:118)
>>>
>>> at
>>> javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:83)
>>>
>>> at
>>> javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:60)
>>>
>>> at
>>> testjpaplugintoplink.View$ViewContentProvider.getElements(View.java:77)
>>> at
>>> org.eclipse.jface.viewers.StructuredViewer.getRawChildren(StructuredViewer.java:927)
>>>
>>> at
>>> org.eclipse.jface.viewers.TableViewer.getRawChildren(TableViewer.java:1279)
>>>
>>> at
>>> org.eclipse.jface.viewers.StructuredViewer.getFilteredChildren(StructuredViewer.java:868)
>>>
>>> at
>>> org.eclipse.jface.viewers.StructuredViewer.getSortedChildren(StructuredViewer.java:984)
>>>
>>> at
>>> org.eclipse.jface.viewers.TableViewer.internalRefreshAll(TableViewer.java:870)
>>>
>>> at
>>> org.eclipse.jface.viewers.TableViewer.internalRefresh(TableViewer.java:818)
>>>
>>> at
>>> org.eclipse.jface.viewers.TableViewer.internalRefresh(TableViewer.java:807)
>>>
>>> at
>>> org.eclipse.jface.viewers.StructuredViewer$7.run(StructuredViewer.java:1388)
>>>
>>> at
>>> org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1323)
>>>
>>> at
>>> org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1386)
>>>
>>> at
>>> org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1345)
>>>
>>> at
>>> org.eclipse.jface.viewers.TableViewer.inputChanged(TableViewer.java:767)
>>>
>>> at
>>> org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:250)
>>>
>>> at
>>> org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1542)
>>>
>>> at testjpaplugintoplink.View.createPartControl(View.java:189)
>>> at
>>> org.eclipse.ui.internal.ViewReference.createPartHelper(ViewReference.java:332)
>>>
>>> at
>>> org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:197)
>>>
>>> at
>>> org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:566)
>>>
>>> at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:290)
>>> at org.eclipse.ui.internal.ViewPane.setVisible(ViewPane.java:525)
>>> at
>>> org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:140)
>>>
>>> at
>>> org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:268)
>>>
>>> at
>>> org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
>>>
>>> at
>>> org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:394)
>>>
>>> at
>>> org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1144)
>>>
>>> at
>>> org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1097)
>>> at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1311)
>>> at
>>> org.eclipse.ui.internal.PartStack.createControl(PartStack.java:601)
>>> at
>>> org.eclipse.ui.internal.PartStack.createControl(PartStack.java:532)
>>> at
>>> org.eclipse.ui.internal.PartSashContainer.createControl(PartSashContainer.java:562)
>>>
>>> at
>>> org.eclipse.ui.internal.PerspectiveHelper.activate(PerspectiveHelper.java:244)
>>>
>>> at
>>> org.eclipse.ui.internal.Perspective.onActivate(Perspective.java:815)
>>> at
>>> org.eclipse.ui.internal.WorkbenchPage.onActivate(WorkbenchPage.java:2429)
>>>
>>> at
>>> org.eclipse.ui.internal.WorkbenchWindow$6.run(WorkbenchWindow.java:2616)
>>>
>>> at
>>> org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
>>> at
>>> org.eclipse.ui.internal.WorkbenchWindow.setActivePage(WorkbenchWindow.java:2597)
>>>
>>> at
>>> org.eclipse.ui.internal.WorkbenchWindow.busyOpenPage(WorkbenchWindow.java:658)
>>>
>>> at
>>> org.eclipse.ui.internal.Workbench.busyOpenWorkbenchWindow(Workbench.java:795)
>>>
>>> at
>>> org.eclipse.ui.internal.Workbench.doOpenFirstTimeWindow(Workbench.java:1437)
>>>
>>> at
>>> org.eclipse.ui.internal.Workbench.openFirstTimeWindow(Workbench.java:1388)
>>>
>>> at
>>> org.eclipse.ui.internal.WorkbenchConfigurer.openFirstTimeWindow(WorkbenchConfigurer.java:190)
>>>
>>> at
>>> org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:708)
>>>
>>> at org.eclipse.ui.internal.Workbench.init(Workbench.java:1085)
>>> at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1847)
>>> at
>>> org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419)
>>>
>>> at
>>> org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
>>> at testjpaplugintoplink.Application.run(Application.java:18)
>>> at
>>> org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
>>>
>>> at
>>> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
>>>
>>> at
>>> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
>>>
>>> at
>>> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
>>>
>>> at
>>> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
>>>
>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> at
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>
>>> at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>
>>> at java.lang.reflect.Method.invoke(Method.java:585)
>>> at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
>>> at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
>>> at org.eclipse.core.launcher.Main.run(Main.java:977)
>>> at org.eclipse.core.launcher.Main.main(Main.java:952)
>>>