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This bug was originally marked as duplicate of bug 234212, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE Dev (Build 201611220001) VM: Java HotSpot(TM) 64-Bit Server VM, 9-ea+132, Java(TM) SE Runtime Environment, 9-ea+132 OS: Mac OS X User Comments: GUEST: null pointer exception thrown by IDE GUEST: Null pointer issue in debugger. continously keeps popping up on debug mode. Stacktrace: java.lang.NullPointerException at org.netbeans.modules.debugger.jpda.ui.models.ValuePropertyEditor.getTags(ValuePropertyEditor.java:402) at org.openide.explorer.propertysheet.RendererFactory.getRenderer(RendererFactory.java:236) at org.openide.explorer.propertysheet.RendererPropertyDisplayer.getRenderer(RendererPropertyDisplayer.java:296) at org.openide.explorer.propertysheet.RendererPropertyDisplayer.paintComponent(RendererPropertyDisplayer.java:275) at javax.swing.JComponent.paint(JComponent.java:1056) at javax.swing.JComponent.paintChildren(JComponent.java:889)
Created attachment 162995 [details] stacktrace