java.lang.ClassNotFoundException

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    • java.lang.ClassNotFoundException: An error occurred while automatically activating bundle org.eclipse.ui.trace (1721). at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:116) at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:531) at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:324) at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:327) at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:402) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:352) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:344) at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160) at java.lang.ClassLoader.loadClass(Unknown Source) at org.eclipse.osgi.internal.framework.EquinoxBundle.loadClass(EquinoxBundle.java:573) at org.eclipse.equinox.internal.ds.model.ServiceComponent.createInstance(ServiceComponent.java:493) at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.createInstance(ServiceComponentProp.java:270) at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:331) at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620) at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197) at org.eclipse.equinox.internal.ds.Resolver.buildNewlySatisfied(Resolver.java:473) at org.eclipse.equinox.internal.ds.Resolver.enableComponents(Resolver.java:217) at org.eclipse.equinox.internal.ds.SCRManager.performWork(SCRManager.java:816) at org.eclipse.equinox.internal.ds.SCRManager$QueuedJob.dispatch(SCRManager.java:783) at org.eclipse.equinox.internal.ds.WorkThread.run(WorkThread.java:89) at java.lang.Thread.run(Unknown Source) Caused by: org.osgi.framework.BundleException: Exception in org.eclipse.ui.trace.internal.TracingUIActivator.start() of bundle org.eclipse.ui.trace. at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:792) at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:721) at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:941) at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:318) at org.eclipse.osgi.container.Module.doStart(Module.java:571) at org.eclipse.osgi.container.Module.start(Module.java:439) at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:454) at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107) ... 20 more Caused by: java.lang.NullPointerException at org.eclipse.ui.trace.internal.utils.PreferenceHandler.isTracingEnabled(PreferenceHandler.java:108) at org.eclipse.ui.trace.internal.TracingUIActivator.initPreferences(TracingUIActivator.java:100) at org.eclipse.ui.trace.internal.TracingUIActivator.start(TracingUIActivator.java:69) at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:771) 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:764) ... 27 more
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