[jbosstools-issues] [JBoss JIRA] (JBIDE-18350) Loader constraint violation while generating Seam entities.

[Max Rydahl Andersen (JIRA)]

     [ https://issues.jboss.org/browse/JBIDE-18350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Max Rydahl Andersen updated JBIDE-18350:
----------------------------------------
    Priority: Critical  (was: Major)


> Loader constraint violation while generating Seam entities.
> -----------------------------------------------------------
>
>                 Key: JBIDE-18350
>                 URL: https://issues.jboss.org/browse/JBIDE-18350
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: hibernate, seam2
>    Affects Versions: 4.2.0.CR1
>            Reporter: Koen Aers
>            Assignee: Koen Aers
>            Priority: Critical
>             Fix For: 4.2.0.CR2
>
>
> The following stacktrace is logged in the Error Log:
> java.lang.LinkageError: loader constraint violation: loader (instance of org/eclipse/osgi/internal/loader/EquinoxClassLoader) previously initiated loading for a different type with name "org/hibernate/cfg/Settings"
> 	at org.jboss.tools.seam.ui.views.DBTablesViewer$1$1.runInUIThread(DBTablesViewer.java:209)
> 	at org.eclipse.ui.progress.UIJob$1.run(UIJob.java:97)
> 	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
> 	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:136)
> 	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3983)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660)
> 	at org.eclipse.jface.window.Window.runEventLoop(Window.java:832)
> 	at org.eclipse.jface.window.Window.open(Window.java:808)
> 	at org.eclipse.ui.internal.handlers.WizardHandler$New.executeHandler(WizardHandler.java:269)
> 	at org.eclipse.ui.internal.handlers.WizardHandler.execute(WizardHandler.java:290)
> 	at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:294)
> 	at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:90)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
> 	at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:247)
> 	at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:229)
> 	at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)
> 	at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:149)
> 	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:499)
> 	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
> 	at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210)
> 	at org.eclipse.ui.internal.handlers.LegacyHandlerService.executeCommand(LegacyHandlerService.java:343)
> 	at org.eclipse.ui.internal.actions.CommandAction.runWithEvent(CommandAction.java:159)
> 	at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:595)
> 	at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:511)
> 	at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:420)
> 	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
> 	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4188)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1467)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1490)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1475)
> 	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1279)
> 	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4031)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3658)
> 	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
> 	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)
> 	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)
> 	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
> 	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)
> 	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
> 	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135)
> 	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
> 	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
> 	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:382)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:236)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648)
> 	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
> 	at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
> 	at org.eclipse.equinox.launcher.Main.main(Main.java:1438)



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