!SESSION 2013-12-16 12:35:54.933 -----------------------------------------------
eclipse.buildId=unknown
java.version=1.7.0_45
java.vendor=Oracle Corporation
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=de_DE
Command-line arguments:  -os linux -ws gtk -arch x86_64

!ENTRY org.eclipse.ui.workbench 4 2 2013-12-16 12:36:12.981
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.ui.workbench".
!STACK 0
java.lang.ExceptionInInitializerError
	at com.sebulli.fakturama.ApplicationWorkbenchWindowAdvisor.postWindowClose(ApplicationWorkbenchWindowAdvisor.java:181)
	at org.eclipse.ui.internal.WorkbenchWindow.fireWindowClosed(WorkbenchWindow.java:1388)
	at org.eclipse.ui.internal.WorkbenchWindow.hardClose(WorkbenchWindow.java:1731)
	at org.eclipse.ui.internal.WorkbenchWindow.busyClose(WorkbenchWindow.java:730)
	at org.eclipse.ui.internal.WorkbenchWindow.access$0(WorkbenchWindow.java:715)
	at org.eclipse.ui.internal.WorkbenchWindow$6.run(WorkbenchWindow.java:867)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.ui.internal.WorkbenchWindow.close(WorkbenchWindow.java:865)
	at org.eclipse.jface.window.WindowManager.close(WindowManager.java:109)
	at org.eclipse.ui.internal.Workbench$18.run(Workbench.java:1114)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.ui.internal.Workbench.busyClose(Workbench.java:1111)
	at org.eclipse.ui.internal.Workbench.access$15(Workbench.java:1040)
	at org.eclipse.ui.internal.Workbench$25.run(Workbench.java:1284)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.ui.internal.Workbench.close(Workbench.java:1282)
	at org.eclipse.ui.internal.Workbench.close(Workbench.java:1254)
	at com.sebulli.fakturama.Workspace.selectWorkspace(Workspace.java:301)
	at com.sebulli.fakturama.Workspace.<init>(Workspace.java:105)
	at com.sebulli.fakturama.Workspace.<clinit>(Workspace.java:45)
	at com.sebulli.fakturama.ApplicationWorkbenchWindowAdvisor.postWindowOpen(ApplicationWorkbenchWindowAdvisor.java:159)
	at org.eclipse.ui.internal.WorkbenchWindow.fireWindowOpened(WorkbenchWindow.java:1365)
	at org.eclipse.ui.internal.WorkbenchWindow.open(WorkbenchWindow.java:826)
	at org.eclipse.ui.internal.Workbench$24.runWithException(Workbench.java:1243)
	at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3563)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3212)
	at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:803)
	at org.eclipse.ui.internal.Workbench$33.runWithException(Workbench.java:1600)
	at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3563)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3212)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2609)
	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 com.sebulli.fakturama.Application.start(Application.java:39)
	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:606)
	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)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1386)
Caused by: java.lang.NullPointerException
	at com.sebulli.fakturama.data.Data.<init>(Data.java:68)
	at com.sebulli.fakturama.data.Data.<clinit>(Data.java:33)
	... 56 more