Ausserdem ein Auskommetieren der Zeile 27 führt nur zur einer Verschiebung:
[code=Java]//======== rootPanel ========
{
//rootPanel.setBorder(new EmptyBorder(12, 12, 0, 0));
rootPanel.setLayout(new BorderLayout());
[/code]
[CODE]Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at com.example.workingdays.MainGui.initComponents(MainGui.java:28)
at com.example.workingdays.MainGui.<init>(MainGui.java:14)
at com.example.workingdays.MainGui$1.run(MainGui.java:82)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:744)
at java.awt.EventQueue.access$400(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:697)
at java.awt.EventQueue$3.run(EventQueue.java:691)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:714)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)[/CODE]