My test running on Java 8, Windows 7, I ran a test using UI (simple API requests) for an hour and got 300 similar exceptions. I have also exceptions when switching between Look&Feels as: 2020-12-07 13:12:26,344 ERROR o.a.j.g.a.ActionRouter: Error processing org.apache.jmeter.gui.action.LookAndFeelCommand@11015ca0 java.lang.NullPointerException: null at javax.swing.plaf.basic.BasicEditorPaneUI.cleanDisplayProperties(BasicEditorPaneUI.java:275) ~[?:?] at javax.swing.plaf.basic.BasicEditorPaneUI.uninstallUI(BasicEditorPaneUI.java:101) ~[?:?] at com.github.weisj.darklaf.ui.text.dummy.DummyTextPaneUI.uninstallUI(DummyTextPaneUI.java:60) ~[darklaf-core-2.4.10.jar:2.4.10] at com.github.weisj.darklaf.ui.text.bridge.DarkEditorPaneUIBridge.cleanDisplayProperties(DarkEditorPaneUIBridge.java:91) ~[darklaf-core-2.4.10.jar:2.4.10] at com.github.weisj.darklaf.ui.text.bridge.DarkEditorPaneUIBridge.uninstallUI(DarkEditorPaneUIBridge.java:73) ~[darklaf-core-2.4.10.jar:2.4.10] at javax.swing.JComponent.uninstallUIAndProperties(JComponent.java:700) ~[?:?] at javax.swing.JComponent.setUI(JComponent.java:675) ~[?:?] at javax.swing.text.JTextComponent.setUI(JTextComponent.java:342) ~[?:?] at javax.swing.text.JTextComponent.updateUI(JTextComponent.java:352) ~[?:?] at org.apache.jorphan.gui.DynamicStyle.collectComponents(DynamicStyle.java:197) ~[jorphan.jar:5.4] at org.apache.jorphan.gui.DynamicStyle.collectComponents(DynamicStyle.java:217) ~[jorphan.jar:5.4] at org.apache.jorphan.gui.DynamicStyle.collectComponents(DynamicStyle.java:217) ~[jorphan.jar:5.4] at org.apache.jorphan.gui.DynamicStyle.collectComponents(DynamicStyle.java:217) ~[jorphan.jar:5.4] at org.apache.jorphan.gui.DynamicStyle.collectComponents(DynamicStyle.java:217) ~[jorphan.jar:5.4] at org.apache.jorphan.gui.DynamicStyle.collectComponents(DynamicStyle.java:217) ~[jorphan.jar:5.4] at org.apache.jorphan.gui.DynamicStyle.collectComponents(DynamicStyle.java:217) ~[jorphan.jar:5.4] at org.apache.jorphan.gui.DynamicStyle.updateComponentTreeUI(DynamicStyle.java:159) ~[jorphan.jar:5.4] at org.apache.jorphan.gui.DynamicStyle.updateLaf(DynamicStyle.java:144) ~[jorphan.jar:5.4] at org.apache.jorphan.gui.JFactory.refreshUI(JFactory.java:68) ~[jorphan.jar:5.4]
2020-12-07 12:37:35,384 ERROR o.a.j.JMeter: Uncaught exception in thread Thread[AWT-EventQueue-0,6,main] java.lang.NullPointerException: null at com.github.weisj.darklaf.ui.cell.hint.CellHintPopupListener.repaint(CellHintPopupListener.java:208) ~[darklaf-core-2.4.10.jar:2.4.10] at com.github.weisj.darklaf.ui.tree.DarkTreeUI.update(DarkTreeUI.java:408) ~[darklaf-core-2.4.10.jar:2.4.10] at javax.swing.JComponent.paintComponent(JComponent.java:797) ~[?:?] at javax.swing.JComponent.paint(JComponent.java:1074) ~[?:?] at javax.swing.JComponent.paintChildren(JComponent.java:907) ~[?:?] at javax.swing.JComponent.paint(JComponent.java:1083) ~[?:?] at javax.swing.JViewport.paint(JViewport.java:737) ~[?:?] at javax.swing.JComponent.paintChildren(JComponent.java:907) ~[?:?] at javax.swing.JComponent.paint(JComponent.java:1083) ~[?:?] at javax.swing.JComponent.paintToOffscreen(JComponent.java:5255) ~[?:?] at javax.swing.RepaintManager$PaintManager.paintDoubleBufferedImpl(RepaintManager.java:1643) ~[?:?] at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1618) ~[?:?] at javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1556) ~[?:?] at javax.swing.RepaintManager.paint(RepaintManager.java:1323) ~[?:?] at javax.swing.JComponent._paintImmediately(JComponent.java:5203) ~[?:?] at javax.swing.JComponent.paintImmediately(JComponent.java:5013) ~[?:?] at javax.swing.RepaintManager$4.run(RepaintManager.java:865) ~[?:?] at javax.swing.RepaintManager$4.run(RepaintManager.java:848) ~[?:?] at java.security.AccessController.doPrivileged(Native Method) ~[?:?] at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) ~[?:?] at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:848) ~[?:?] at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:823) ~[?:?] at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:772) ~[?:?] at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1890) ~[?:?] at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313) ~[?:?] at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770) ~[?:?] at java.awt.EventQueue$4.run(EventQueue.java:721) ~[?:?] at java.awt.EventQueue$4.run(EventQueue.java:715) ~[?:?] at java.security.AccessController.doPrivileged(Native Method) ~[?:?] at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) ~[?:?] at java.awt.EventQueue.dispatchEvent(EventQueue.java:740) ~[?:?] at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203) [?:?] at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124) [?:?] at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113) [?:?] at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109) [?:?] at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) [?:?] at java.awt.EventDispatchThread.run(EventDispatchThread.java:90) [?:?] On Mon, Dec 7, 2020 at 1:13 PM Felix Schumacher < [email protected]> wrote: > Can you give more details? Do you always get such an exception? Which Java > version? OS? What where the steps, that led to this? > > Thanks > Felix > > Am 7. Dezember 2020 11:43:25 MEZ schrieb Jmeter Tea <[email protected]>: > >Hi > > > >I download JMeter 5.4 , > >I changed to Darklaf Intellij and while running test, > >I'm getting exceptions: > >2020-12-07 12:37:32,619 ERROR o.a.j.JMeter: Uncaught exception in > >thread > >Thread[AWT-EventQueue-0,6,main] > >java.lang.NullPointerException: null > >at > > >com.github.weisj.darklaf.ui.cell.hint.CellHintPopupListener.repaint(CellHintPopupListener.java:208) > >~[darklaf-core-2.4.10.jar:2.4.10] > >at > >com.github.weisj.darklaf.ui.tree.DarkTreeUI.update(DarkTreeUI.java:408) > >~[darklaf-core-2.4.10.jar:2.4.10] > >at javax.swing.JComponent.paintComponent(JComponent.java:797) ~[?:?] > >at javax.swing.JComponent.paint(JComponent.java:1074) ~[?:?] > >at javax.swing.JComponent.paintChildren(JComponent.java:907) ~[?:?] > >at javax.swing.JComponent.paint(JComponent.java:1083) ~[?:?] > >at javax.swing.JViewport.paint(JViewport.java:737) ~[?:?] > >at javax.swing.JComponent.paintChildren(JComponent.java:907) ~[?:?] > >at javax.swing.JComponent.paint(JComponent.java:1083) ~[?:?] > >at javax.swing.JComponent.paintToOffscreen(JComponent.java:5255) ~[?:?] > >at > > >javax.swing.RepaintManager$PaintManager.paintDoubleBufferedImpl(RepaintManager.java:1643) > >~[?:?] > >at > > >javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1618) > >~[?:?] > >at > >javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1556) > >~[?:?] > >at javax.swing.RepaintManager.paint(RepaintManager.java:1323) ~[?:?] > >at javax.swing.JComponent._paintImmediately(JComponent.java:5203) > >~[?:?] > >at javax.swing.JComponent.paintImmediately(JComponent.java:5013) ~[?:?] > >at javax.swing.RepaintManager$4.run(RepaintManager.java:865) ~[?:?] > >at javax.swing.RepaintManager$4.run(RepaintManager.java:848) ~[?:?] > >at java.security.AccessController.doPrivileged(Native Method) ~[?:?] > >at > > >java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) > >~[?:?] > >at > >javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:848) > >~[?:?] > >at > >javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:823) > >~[?:?] > >at > >javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:772) > >~[?:?] > >at > > >javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1890) > >~[?:?] > >at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313) > >~[?:?] > >at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770) ~[?:?] > >at java.awt.EventQueue$4.run(EventQueue.java:721) ~[?:?] > >at java.awt.EventQueue$4.run(EventQueue.java:715) ~[?:?] > >at java.security.AccessController.doPrivileged(Native Method) ~[?:?] > >at > > >java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) > >~[?:?] > >at java.awt.EventQueue.dispatchEvent(EventQueue.java:740) ~[?:?] > >at > > >java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203) > >[?:?] > >at > > >java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124) > >[?:?] > >at > > >java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113) > >[?:?] > >at > >java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109) > >[?:?] > >at > >java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) > >[?:?] > >at java.awt.EventDispatchThread.run(EventDispatchThread.java:90) [?:?] > > > >FYI >
