java.lang.NullPointerException at javax.swing.text.html.CSS$FontSize.getValue(CSS.java:1672) at javax.swing.text.html.CSS$FontSize.toStyleConstants(CSS.java:1805) at javax.swing.text.html.StyleSheet$ViewAttributeSet.getAttribute(StyleSheet.java:2630) at javax.swing.text.StyleConstants.getFontSize(StyleConstants.java:358) at javax.swing.text.html.CSS$FontSize.getValue(CSS.java:1678) at javax.swing.text.html.CSS.getFontSize(CSS.java:614) at javax.swing.text.html.CSS.getFont(CSS.java:574) at javax.swing.text.html.StyleSheet.getFont(StyleSheet.java:867) at javax.swing.text.DefaultStyledDocument.getFont(DefaultStyledDocument.java:777) at javax.swing.text.LabelView.setPropertiesFromAttributes(LabelView.java:128) at javax.swing.text.html.InlineView.setPropertiesFromAttributes(InlineView.java:229) at javax.swing.text.LabelView.sync(LabelView.java:39) at javax.swing.text.LabelView.getFont(LabelView.java:189) at javax.swing.text.GlyphPainter1.sync(GlyphPainter1.java:194) at javax.swing.text.GlyphPainter1.getSpan(GlyphPainter1.java:42) at javax.swing.text.GlyphView.getPreferredSpan(GlyphView.java:536) at javax.swing.text.FlowView$LogicalView.getPreferredSpan(FlowView.java:692) at javax.swing.text.FlowView.calculateMinorAxisRequirements(FlowView.java:216) at javax.swing.text.html.ParagraphView.calculateMinorAxisRequirements(ParagraphView.java:128) at javax.swing.text.BoxView.checkRequests(BoxView.java:911) at javax.swing.text.BoxView.getMinimumSpan(BoxView.java:542) at javax.swing.text.html.ParagraphView.getMinimumSpan(ParagraphView.java:257) at javax.swing.text.BoxView.calculateMinorAxisRequirements(BoxView.java:879) at javax.swing.text.html.BlockView.calculateMinorAxisRequirements(BlockView.java:129) at javax.swing.text.BoxView.checkRequests(BoxView.java:911) at javax.swing.text.BoxView.getMinimumSpan(BoxView.java:542) at javax.swing.text.html.BlockView.getMinimumSpan(BlockView.java:362) at javax.swing.text.html.TableView.checkSingleColumnCell(TableView.java:434) at javax.swing.text.html.TableView.calculateColumnRequirements(TableView.java:397) at javax.swing.text.html.TableView.calculateMinorAxisRequirements(TableView.java:519) at javax.swing.text.BoxView.checkRequests(BoxView.java:911) at javax.swing.text.BoxView.getMinimumSpan(BoxView.java:542) at javax.swing.text.BoxView.calculateMinorAxisRequirements(BoxView.java:879) at javax.swing.text.html.BlockView.calculateMinorAxisRequirements(BlockView.java:129) at javax.swing.text.BoxView.checkRequests(BoxView.java:911) at javax.swing.text.BoxView.getMinimumSpan(BoxView.java:542) at javax.swing.text.html.BlockView.getMinimumSpan(BlockView.java:362) at javax.swing.text.BoxView.calculateMinorAxisRequirements(BoxView.java:879) at javax.swing.text.html.BlockView.calculateMinorAxisRequirements(BlockView.java:129) at javax.swing.text.BoxView.checkRequests(BoxView.java:911) at javax.swing.text.BoxView.setSpanOnAxis(BoxView.java:325) at javax.swing.text.BoxView.layout(BoxView.java:682) at javax.swing.text.BoxView.setSize(BoxView.java:379) at javax.swing.plaf.basic.BasicTextUI$RootView.setSize(BasicTextUI.java:1631) at javax.swing.plaf.basic.BasicTextUI.getPreferredSize(BasicTextUI.java:825) at javax.swing.JComponent.getPreferredSize(JComponent.java:1582) at javax.swing.JEditorPane.getPreferredSize(JEditorPane.java:1227) at javax.swing.text.JTextComponent.getPreferredScrollableViewportSize(JTextComponent.java:1712) at javax.swing.ViewportLayout.preferredLayoutSize(ViewportLayout.java:75) at java.awt.Container.preferredSize(Container.java:1558) at java.awt.Container.getPreferredSize(Container.java:1543) at javax.swing.JComponent.getPreferredSize(JComponent.java:1584) at javax.swing.ScrollPaneLayout.preferredLayoutSize(ScrollPaneLayout.java:475) at java.awt.Container.preferredSize(Container.java:1558) at java.awt.Container.getPreferredSize(Container.java:1543) at javax.swing.JComponent.getPreferredSize(JComponent.java:1584) at javax.swing.text.ComponentView$Invalidator.cacheChildSizes(ComponentView.java:404) at javax.swing.text.ComponentView$Invalidator.doLayout(ComponentView.java:383) at java.awt.Container.validateTree(Container.java:1473) at java.awt.Container.validate(Container.java:1448) at javax.swing.text.ComponentView$Invalidator.validateIfNecessary(ComponentView.java:396) at javax.swing.text.ComponentView$Invalidator.getPreferredSize(ComponentView.java:443) at javax.swing.text.ComponentView.getPreferredSpan(ComponentView.java:119) at javax.swing.text.BoxView.calculateMajorAxisRequirements(BoxView.java:848) at javax.swing.text.BoxView.checkRequests(BoxView.java:906) at javax.swing.text.BoxView.getMinimumSpan(BoxView.java:542) at javax.swing.text.BoxView.calculateMinorAxisRequirements(BoxView.java:879) at javax.swing.text.html.BlockView.calculateMinorAxisRequirements(BlockView.java:129) at javax.swing.text.BoxView.checkRequests(BoxView.java:911) at javax.swing.text.BoxView.getMinimumSpan(BoxView.java:542) at javax.swing.text.html.BlockView.getMinimumSpan(BlockView.java:362) at javax.swing.text.BoxView.calculateMinorAxisRequirements(BoxView.java:879) at javax.swing.text.html.BlockView.calculateMinorAxisRequirements(BlockView.java:129) at javax.swing.text.BoxView.checkRequests(BoxView.java:911) at javax.swing.text.BoxView.setSpanOnAxis(BoxView.java:325) at javax.swing.text.BoxView.layout(BoxView.java:682) at javax.swing.text.BoxView.setSize(BoxView.java:379) at javax.swing.plaf.basic.BasicTextUI$RootView.setSize(BasicTextUI.java:1631) at javax.swing.plaf.basic.BasicTextUI.getPreferredSize(BasicTextUI.java:825) at javax.swing.JComponent.getPreferredSize(JComponent.java:1582) at javax.swing.JEditorPane.getPreferredSize(JEditorPane.java:1227) at javax.swing.ScrollPaneLayout.layoutContainer(ScrollPaneLayout.java:769) at java.awt.Container.layout(Container.java:1401) at java.awt.Container.doLayout(Container.java:1390) at java.awt.Container.validateTree(Container.java:1473) at java.awt.Container.validateTree(Container.java:1480) at java.awt.Container.validateTree(Container.java:1480) at java.awt.Container.validateTree(Container.java:1480) at java.awt.Container.validateTree(Container.java:1480) at java.awt.Container.validateTree(Container.java:1480) at java.awt.Container.validateTree(Container.java:1480) at java.awt.Container.validateTree(Container.java:1480) at java.awt.Container.validateTree(Container.java:1480) at java.awt.Container.validateTree(Container.java:1480) at java.awt.Container.validateTree(Container.java:1480) at java.awt.Container.validateTree(Container.java:1480) at java.awt.Container.validateTree(Container.java:1480) at java.awt.Container.validateTree(Container.java:1480) at java.awt.Container.validateTree(Container.java:1480) at java.awt.Container.validate(Container.java:1448) at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.java:379) at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:113) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:461) [catch] at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:234) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149) at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)