java.lang.ExceptionInInitializerError

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  • java.lang.ExceptionInInitializerError at org.freeplane.core.ui.AFreeplaneAction.<init>(AFreeplaneAction.java:85) at org.freeplane.features.mode.MoveToRootAction.<init>(MoveToRootAction.java:34) at org.freeplane.features.mode.Controller.<init>(Controller.java:71) at org.freeplane.main.application.FreeplaneGUIStarter.createController(FreeplaneGUIStarter.java:126) at org.freeplane.main.osgi.ActivatorImpl.startFramework(ActivatorImpl.java:178) at org.freeplane.main.osgi.ActivatorImpl.start(ActivatorImpl.java:79) at org.freeplane.main.osgi.Activator.start(Activator.java:36) at org.knopflerfish.framework.BundleImpl.start0(BundleImpl.java:374) at org.knopflerfish.framework.PermissionOps.callStart0(PermissionOps.java:215) at org.knopflerfish.framework.BundleImpl.start(BundleImpl.java:321) at org.knopflerfish.framework.StartLevelImpl.increaseStartLevel(StartLevelImpl.java:285) at org.knopflerfish.framework.StartLevelImpl$1.run(StartLevelImpl.java:217) at org.knopflerfish.framework.StartLevelImpl.run(StartLevelImpl.java:178) at java.lang.Thread.run(Thread.java:745) Caused by: java.awt.HeadlessException at sun.awt.HeadlessToolkit.getScreenSize(HeadlessToolkit.java:282) at org.freeplane.core.ui.MenuBuilder.<clinit>(MenuBuilder.java:413) ... 14 more
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