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Failed to execute runnable (java.lang.NullPointerException)
org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.NullPointerException) at org.eclipse.swt.SWT.error(SWT.java:4397) at org.eclipse.swt.SWT.error(SWT.java:4312) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:138) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4145) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3762) at org.eclipse.swt.widgets.Display.release(Display.java:3815) at org.eclipse.swt.graphics.Device.dispose(Device.java:295) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:140) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) 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(EclipseStarter.java:354) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181) 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:636) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591) at org.eclipse.equinox.launcher.Main.run(Main.java:1450)Caused by: java.lang.NullPointerException at org.eclipse.ui.internal.Workbench.createWorkbenchWindow(Workbench.java:1376) at org.eclipse.ui.internal.Workbench.getActiveWorkbenchWindow(Workbench.java:1369) at org.eclipse.cdt.codan.internal.ui.cxx.Startup$1.run(Startup.java:39) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) ... 17 more