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Home » Eclipse Projects » Plugin Development Environment (PDE) » Plug-in Development help(Eclipse View error)
Plug-in Development help [message #524894] Sat, 03 April 2010 17:36
crossedangemon is currently offline crossedangemonFriend
Messages: 9
Registered: February 2010
Junior Member
Hello,

I suddenly had this error when loading the eclipse view:

java.lang.ClassNotFoundException: hello.views.MapView
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInter nal(BundleLoader.java:494)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(Bund leLoader.java:410)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(Bund leLoader.java:398)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loa dClass(DefaultClassLoader.java:105)
at java.lang.ClassLoader.loadClass(Unknown Source)
at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(Bund leLoader.java:326)
at org.eclipse.osgi.framework.internal.core.BundleHost.loadClas s(BundleHost.java:231)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.load Class(AbstractBundle.java:1193)
at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI .createExecutableExtension(RegistryStrategyOSGI.java:160)
at org.eclipse.core.internal.registry.ExtensionRegistry.createE xecutableExtension(ExtensionRegistry.java:874)
at org.eclipse.core.internal.registry.ConfigurationElement.crea teExecutableExtension(ConfigurationElement.java:243)
at org.eclipse.core.internal.registry.ConfigurationElementHandl e.createExecutableExtension(ConfigurationElementHandle.java: 51)
at org.eclipse.ui.internal.WorkbenchPlugin$1.run(WorkbenchPlugi n.java:267)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator .java:70)
at org.eclipse.ui.internal.WorkbenchPlugin.createExtension(Work benchPlugin.java:263)
at org.eclipse.ui.internal.registry.ViewDescriptor.createView(V iewDescriptor.java:63)
at org.eclipse.ui.internal.ViewReference.createPartHelper(ViewR eference.java:324)
at org.eclipse.ui.internal.ViewReference.createPart(ViewReferen ce.java:226)
at org.eclipse.ui.internal.WorkbenchPartReference.getPart(Workb enchPartReference.java:595)
at org.eclipse.ui.internal.WorkbenchPage$ActivationList.setActi ve(WorkbenchPage.java:4212)
at org.eclipse.ui.internal.WorkbenchPage$18.runWithException(Wo rkbenchPage.java:3271)
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run (StartupThreading.java:31)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:3 5)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchr onizer.java:134)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.jav a:3855)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :3476)
at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(Work benchAdvisor.java:803)
at org.eclipse.ui.internal.Workbench$28.runWithException(Workbe nch.java:1384)
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run (StartupThreading.java:31)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:3 5)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchr onizer.java:134)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.jav a:3855)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :3476)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2316)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:22 21)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500)
at org.eclipse.core.databinding.observable.Realm.runWithDefault (Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Work bench.java:493)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.j ava:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start (IDEApplication.java:113)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(Eclips eAppHandle.java:194)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher .runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher .start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:368)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java: 559)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
at org.eclipse.equinox.launcher.Main.run(Main.java:1311)
at org.eclipse.equinox.launcher.Main.main(Main.java:1287)

I think the error might be a missing bundle in my Manifest.MF which contains:

Manifest-Version: 1.0
Bundle-ManifestVersion: 2
Bundle-Name: Hello
Bundle-SymbolicName: Hello; singleton:=true
Bundle-Version: 1.0.0.qualifier
Bundle-Activator: hello.Activator
Require-Bundle: org.eclipse.ui,
org.eclipse.core.runtime,
org.eclipse.core.resources,
org.eclipse.jdt.core,
org.eclipse.ui.forms;bundle-version="3.4.1",
org.eclipse.ui.ide;bundle-version="3.5.1",
XecliP;bundle-version="1.0.0"
Bundle-ActivationPolicy: lazy
Bundle-RequiredExecutionEnvironment: JavaSE-1.6
Import-Package: javax.servlet,
javax.servlet.http,
org.eclipse.ui.ide

I just can't find out what.

Any help would be appreciated. Thank you.
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