Hi, I replied to your posting on the uima-dev list.

-Marshall


On 3/6/2018 4:13 AM, Debbie Zhang wrote:
> Hi,
>
> We updated our Eclipse and reinstalled UIMA recently. However, after the new 
> installation, when I tried to use Component Descriptor Editor to open an 
> "Analysis Engine Descriptor" xml file, I get the following errors:
>
> Does anyone know how to fix it? Thank you.
>
> Regards,
> Debbie 
>
> ::::::::::::::::::::::::::
> Error message:
>  
> Plug-in org.apache.uima.desceditor was unable to load class 
> org.apache.uima.taeconfigurator.editors.MultiPageEditor.
>  
> org.eclipse.core.runtime.CoreException: Plug-in org.apache.uima.desceditor 
> was unable to load class 
> org.apache.uima.taeconfigurator.editors.MultiPageEditor.
>                 at 
> org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.throwException(RegistryStrategyOSGI.java:194)
>                 at 
> org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:176)
>                 at 
> org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905)
>                 at 
> org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
>                 at 
> org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)
>                 at 
> org.eclipse.ui.internal.WorkbenchPlugin$1.run(WorkbenchPlugin.java:291)
>                 at 
> org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
>                 at 
> org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:286)
>                 at 
> org.eclipse.ui.internal.registry.EditorDescriptor.createEditor(EditorDescriptor.java:235)
>                 at 
> org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:329)
>                 at 
> org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.createPart(CompatibilityPart.java:278)
>                 at 
> org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor.createPart(CompatibilityEditor.java:63)
>                 at 
> org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:316)
>                 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:498)
>                 at 
> org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
>                 at 
> org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:966)
>                 at 
> org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:931)
>                 at 
> org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:151)
>                 at 
> org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:375)
>                 at 
> org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:294)
>                 at 
> org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:162)
>                 at 
> org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:105)
>                 at 
> org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:74)
>                 at 
> org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:56)
>                 at 
> org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:129)
>                 at 
> org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:975)
>                 at 
> org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:651)
>                 at 
> org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:757)
>                 at 
> org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:728)
>                 at 
> org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:722)
>                 at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
>                 at 
> org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:706)
>                 at 
> org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.showTab(StackRenderer.java:1317)
>                 at 
> org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer$1.handleEvent(LazyStackRenderer.java:72)
>                 at 
> org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:40)
>                 at 
> org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:233)
>                 at 
> org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:145)
>                 at org.eclipse.swt.widgets.Display.syncExec(Display.java:5414)
>                 at 
> org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:211)
>                 at 
> org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:36)
>                 at 
> org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:201)
>                 at 
> org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197)
>                 at 
> org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1)
>                 at 
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
>                 at 
> org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
>                 at 
> org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135)
>                 at 
> org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78)
>                 at 
> org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39)
>                 at 
> org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:94)
>                 at 
> org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:60)
>                 at 
> org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374)
>                 at 
> org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElement(ElementContainerImpl.java:173)
>                 at 
> org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.showElementInWindow(ModelServiceImpl.java:617)
>                 at 
> org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.bringToTop(ModelServiceImpl.java:581)
>                 at 
> org.eclipse.e4.ui.internal.workbench.PartServiceImpl.delegateBringToTop(PartServiceImpl.java:770)
>                 at 
> org.eclipse.e4.ui.internal.workbench.PartServiceImpl.bringToTop(PartServiceImpl.java:401)
>                 at 
> org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:1214)
>                 at 
> org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3261)
>                 at 
> org.eclipse.ui.internal.WorkbenchPage.access$25(WorkbenchPage.java:3176)
>                 at 
> org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:3158)
>                 at 
> org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
>                 at 
> org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3153)
>                 at 
> org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3117)
>                 at 
> org.eclipse.ui.actions.OpenWithMenu.openEditor(OpenWithMenu.java:324)
>                 at 
> org.eclipse.ui.actions.OpenWithMenu.lambda$0(OpenWithMenu.java:180)
>                 at 
> org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
>                 at 
> org.eclipse.swt.widgets.Display.sendEvent(Display.java:5227)
>                 at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1340)
>                 at 
> org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4561)
>                 at 
> org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4151)
>                 at 
> org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1121)
>                 at 
> org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
>                 at 
> org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022)
>                 at 
> org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150)
>                 at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:693)
>                 at 
> org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
>                 at 
> org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:610)
>                 at 
> org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
>                 at 
> org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:138)
>                 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:388)
>                 at 
> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
>                 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:498)
>                 at 
> org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673)
>                 at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610)
>                 at org.eclipse.equinox.launcher.Main.run(Main.java:1519)
>                 at org.eclipse.equinox.launcher.Main.main(Main.java:1492)
> Caused by: java.lang.ClassNotFoundException: An error occurred while 
> automatically activating bundle org.apache.uima.desceditor (78).
>                 at 
> org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:116)
>                 at 
> org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:529)
>                 at 
> org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:325)
>                 at 
> org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:345)
>                 at 
> org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:423)
>                 at 
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:372)
>                 at 
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:364)
>                 at 
> org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:161)
>                 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>                 at 
> org.eclipse.osgi.internal.framework.EquinoxBundle.loadClass(EquinoxBundle.java:564)
>                 at 
> org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)
>                 ... 93 more
> Caused by: org.osgi.framework.BundleException: Error loading bundle activator.
>                 at 
> org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:716)
>                 at 
> org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:932)
>                 at 
> org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:309)
>                 at org.eclipse.osgi.container.Module.doStart(Module.java:581)
>                 at org.eclipse.osgi.container.Module.start(Module.java:449)
>                 at 
> org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:470)
>                 at 
> org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107)
>                 ... 103 more
> Caused by: java.lang.ClassNotFoundException: An error occurred while 
> automatically activating bundle org.eclipse.core.runtime.compatibility (149).
>                 at 
> org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:116)
>                 at 
> org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:529)
>                 at 
> org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:325)
>                 at 
> org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:345)
>                 at 
> org.eclipse.osgi.internal.loader.sources.SingleSourcePackage.loadClass(SingleSourcePackage.java:36)
>                 at 
> org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:407)
>                 at 
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:372)
>                 at 
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:364)
>                 at 
> org.eclipse.osgi.internal.framework.BundleContextImpl.loadBundleActivator(BundleContextImpl.java:757)
>                 at 
> org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:711)
>                 ... 109 more
> Caused by: org.osgi.framework.BundleException: Exception in 
> org.eclipse.core.internal.plugins.CompatibilityActivator.start() of bundle 
> org.eclipse.core.runtime.compatibility.
>                 at 
> org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:795)
>                 at 
> org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:724)
>                 at 
> org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:932)
>                 at 
> org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:309)
>                 at org.eclipse.osgi.container.Module.doStart(Module.java:581)
>                 at org.eclipse.osgi.container.Module.start(Module.java:449)
>                 at 
> org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:470)
>                 at 
> org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107)
>                 ... 118 more
> Caused by: java.lang.NoClassDefFoundError: 
> org/eclipse/core/internal/runtime/CompatibilityHelper
>                 at 
> org.eclipse.core.internal.plugins.CompatibilityActivator.start(CompatibilityActivator.java:22)
>                 at 
> org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:774)
>                 at 
> org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1)
>                 at java.security.AccessController.doPrivileged(Native Method)
>                 at 
> org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:767)
>                 ... 125 more
> Caused by: java.lang.ClassNotFoundException: 
> org.eclipse.core.internal.runtime.CompatibilityHelper cannot be found by 
> org.eclipse.core.runtime.compatibility_3.2.200.v20140128-0851
>                 at 
> org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:461)
>                 at 
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:372)
>                 at 
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:364)
>                 at 
> org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:161)
>                 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>                 ... 130 more
>  
>
> Sent from my iPhone

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