title: Could not initialize class sun.awt.X11.XToolkit
body: <p>When I open my xml file in graphical view it can't open. I am using Ubuntu OS and getting following warning in eclipse indigo. </p>
  
  <pre><code>Could not initialize class sun.awt.X11.XToolkit
  Exception details are logged in Window &gt; Show View &gt; Error Log
  </code></pre>
  
  <p>While my <code>Error Log</code> display follwing.</p>
  
  <pre><code>  Message :-  selectimage.xml: Could not initialize class sun.awt.X11.XToolkit
  
    Exception Stack Trace :
  
          java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11.XToolkit
      at java.lang.Class.forName0(Native Method)
      at java.lang.Class.forName(Class.java:186)
      at java.awt.Toolkit$2.run(Toolkit.java:849)
      at java.security.AccessController.doPrivileged(Native Method)
      at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:841)
      at android.graphics.Paint_Delegate.updateFontObject(Paint_Delegate.java:1062)
      at android.graphics.Paint_Delegate.reset(Paint_Delegate.java:1039)
      at android.graphics.Paint_Delegate.&lt;init&gt;(Paint_Delegate.java:991)
      at android.graphics.Paint_Delegate.native_init(Paint_Delegate.java:614)
      at android.graphics.Paint.native_init(Paint.java)
      at android.graphics.Paint.&lt;init&gt;(Paint.java:194)
      at android.graphics.Paint.&lt;init&gt;(Paint.java:184)
      at android.view.ViewGroup.&lt;init&gt;(ViewGroup.java:277)
      at android.widget.LinearLayout.&lt;init&gt;(LinearLayout.java:114)
      at com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:227)
      at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:318)
      at com.android.ide.common.rendering.LayoutLibrary.createSession(LayoutLibrary.java:325)
      at com.android.ide.eclipse.adt.internal.editors.layout.gle2.RenderService.createRenderSession(RenderService.java:372)
      at com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart.renderWithBridge(GraphicalEditorPart.java:1361)
      at com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart.recomputeLayout(GraphicalEditorPart.java:1115)
      at com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart.activated(GraphicalEditorPart.java:941)
      at com.android.ide.eclipse.adt.internal.editors.layout.LayoutEditorDelegate.delegatePageChange(LayoutEditorDelegate.java:450)
      at com.android.ide.eclipse.adt.internal.editors.common.CommonXmlEditor.pageChange(CommonXmlEditor.java:358)
      at org.eclipse.ui.part.MultiPageEditorPart$2.widgetSelected(MultiPageEditorPart.java:290)
      at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:240)
      at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
      at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258)
      at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1282)
      at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1267)
      at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1061)
      at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:2746)
      at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1433)
      at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:257)
      at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
      at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258)
      at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3588)
      at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3209)
      at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2701)
      at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2665)
      at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499)
      at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679)
      at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
      at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668)
      at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
      at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
      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:344)
      at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:616)
      at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
      at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
      at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
  </code></pre>
  
  <p>How to solve this ?? </p>