Если я пытаюсь открыть Eclipse, он некоторое время загружался и не открывается, поэтому я проверил журнал метаданных, в котором отображается ошибка, как показано ниже:
!ENTRY org.eclipse.mylyn.monitor.ui 4 0 2018-12-14 11:35:24.267
!MESSAGE Monitor UI stop failed
!STACK 0
java.lang.NullPointerException
at org.eclipse.mylyn.internal.monitor.ui.ActivityContextManager.stop(ActivityContextManager.java:152)
at org.eclipse.mylyn.internal.monitor.ui.MonitorUiPlugin.stop(MonitorUiPlugin.java:157)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleContextImpl.java:771)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.stop(BundleContextImpl.java:764)
at org.eclipse.osgi.framework.internal.core.BundleHost.stopWorker(BundleHost.java:510)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.suspend(AbstractBundle.java:566)
at org.eclipse.osgi.framework.internal.core.Framework.suspendBundle(Framework.java:1206)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.decFWSL(StartLevelManager.java:592)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:257)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.shutdown(StartLevelManager.java:215)
at org.eclipse.osgi.framework.internal.core.InternalSystemBundle.suspend(InternalSystemBundle.java:284)
at org.eclipse.osgi.framework.internal.core.Framework.shutdown(Framework.java:692)
at org.eclipse.osgi.framework.internal.core.Framework.close(Framework.java:600)
at org.eclipse.core.runtime.adaptor.EclipseStarter.shutdown(EclipseStarter.java:399)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:199)
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:629)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
at org.eclipse.equinox.launcher.Main.run(Main.java:1438)