title: Ivy Eclipse Plugin Error
body: <p>I have the Ivy Eclipse Plugin installed to my Eclipse Luna Service Release 1 (4.4.1).</p>
  
  <p>After creating my ivy.xml and selecting Add Ivy Library I get this error in the logfile:</p>
  
  <pre><code>!ENTRY org.eclipse.ui 4 0 2014-10-20 10:58:31.796
  !MESSAGE Unhandled event loop exception
  !STACK 0
  org.eclipse.e4.core.di.InjectionException: java.lang.ClassCastException: org.eclipse.osgi.internal.framework.EquinoxConfiguration$1 cannot be cast to java.lang.String
      at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:62)
      at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:247)
      at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:229)
      at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)
      at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:149)
      at org.eclipse.core.commands.Command.executeWithChecks(Command.java:499)
      at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
      at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210)
      at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.executeItem(HandledContributionItem.java:825)
      at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.handleWidgetSelection(HandledContributionItem.java:701)
      at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.access$6(HandledContributionItem.java:685)
      at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem$4.handleEvent(HandledContributionItem.java:613)
      at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
      at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353)
      at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)
      at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4172)
      at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761)
      at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)
      at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
      at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)
      at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)
      at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)
      at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
      at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)
      at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
      at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135)
      at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
      at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
      at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
      at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
      at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
      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:648)
      at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
      at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
      at org.eclipse.equinox.launcher.Main.main(Main.java:1438)
  Caused by: java.lang.ClassCastException: org.eclipse.osgi.internal.framework.EquinoxConfiguration$1 cannot be cast to java.lang.String
      at org.apache.ivy.core.settings.IvySettings.addAllVariables(IvySettings.java:610)
      at org.apache.ivy.core.settings.IvySettings.addAllVariables(IvySettings.java:604)
      at org.apache.ivy.core.settings.IvySettings.addSystemProperties(IvySettings.java:308)
      at org.apache.ivy.core.settings.IvySettings.&lt;init&gt;(IvySettings.java:303)
      at org.apache.ivy.core.settings.IvySettings.&lt;init&gt;(IvySettings.java:222)
      at org.apache.ivyde.internal.eclipse.CachedIvy.createIvySettings(CachedIvy.java:235)
      at org.apache.ivyde.internal.eclipse.CachedIvy.doGetIvy(CachedIvy.java:141)
      at org.apache.ivyde.internal.eclipse.CachedIvy.getIvy(CachedIvy.java:124)
      at org.apache.ivyde.internal.eclipse.CachedIvy.getModuleDescriptor(CachedIvy.java:340)
      at org.apache.ivyde.internal.eclipse.cpcontainer.IvydeContainerPage.checkIvyXmlPath(IvydeContainerPage.java:176)
      at org.apache.ivyde.internal.eclipse.cpcontainer.IvydeContainerPage$3.ivyXmlPathUpdated(IvydeContainerPage.java:344)
      at org.apache.ivyde.internal.eclipse.ui.IvyFilePathText.ivyXmlPathUpdated(IvyFilePathText.java:129)
      at org.apache.ivyde.internal.eclipse.ui.IvyFilePathText.textUpdated(IvyFilePathText.java:102)
      at org.apache.ivyde.internal.eclipse.ui.PathEditor$1.modifyText(PathEditor.java:75)
      at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:179)
      at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
      at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353)
      at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)
      at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1085)
      at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1066)
      at org.eclipse.swt.widgets.Text.wmCommandChild(Text.java:2987)
      at org.eclipse.swt.widgets.Control.WM_COMMAND(Control.java:4751)
      at org.eclipse.swt.widgets.Control.windowProc(Control.java:4613)
      at org.eclipse.swt.widgets.Display.windowProc(Display.java:5023)
      at org.eclipse.swt.internal.win32.OS.CallWindowProcW(Native Method)
      at org.eclipse.swt.internal.win32.OS.CallWindowProc(OS.java:2443)
      at org.eclipse.swt.widgets.Text.callWindowProc(Text.java:260)
      at org.eclipse.swt.widgets.Control.windowProc(Control.java:4705)
      at org.eclipse.swt.widgets.Text.windowProc(Text.java:2610)
      at org.eclipse.swt.widgets.Display.windowProc(Display.java:5023)
      at org.eclipse.swt.internal.win32.OS.SetWindowTextW(Native Method)
      at org.eclipse.swt.internal.win32.OS.SetWindowText(OS.java:3473)
      at org.eclipse.swt.widgets.Text.setText(Text.java:2260)
      at org.apache.ivyde.internal.eclipse.ui.IvyFilePathText.init(IvyFilePathText.java:159)
      at org.apache.ivyde.internal.eclipse.cpcontainer.IvydeContainerPage.loadFromConf(IvydeContainerPage.java:385)
      at org.apache.ivyde.internal.eclipse.cpcontainer.IvydeContainerPage.createControl(IvydeContainerPage.java:324)
      at org.eclipse.jface.wizard.Wizard.createPageControls(Wizard.java:178)
      at org.eclipse.jface.wizard.WizardDialog.createPageControls(WizardDialog.java:759)
      at org.eclipse.jface.wizard.WizardDialog.createContents(WizardDialog.java:622)
      at org.eclipse.jface.window.Window.create(Window.java:435)
      at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1101)
      at org.eclipse.jface.window.Window.open(Window.java:797)
      at org.apache.ivyde.internal.eclipse.handlers.CreateContainerHandler.execute(CreateContainerHandler.java:48)
      at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:294)
      at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:90)
      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.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
      ... 38 more
  </code></pre>
  
  <p>Could somebody see, what I'm doing wrong?  </p>