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Build: NetBeans IDE Dev (Build 20170217-863e357f7081) VM: Java HotSpot(TM) 64-Bit Server VM, 25.121-b13, Java(TM) SE Runtime Environment, 1.8.0_121-b13 OS: Linux User Comments: mbalin: Using existing Java SE JDK9 project with Java platform JDK9 b157. Added one library - MySQL JDBC Driver to Libraries node in Project Explorer Then selected lib in project tree and click Edit... from context menu. This exception occured. It is possible to edit library from Project Properties | LIbraries customizer. Stacktrace: java.lang.AssertionError at org.openide.awt.HtmlRendererImpl.reset(HtmlRendererImpl.java:103) at org.openide.awt.HtmlRendererImpl.getTreeCellRendererComponent(HtmlRendererImpl.java:147) at org.openide.explorer.view.NodeRenderer.getTreeCellRendererComponent(NodeRenderer.java:156) at javax.swing.plaf.basic.BasicTreeUI$NodeDimensionsHandler.getNodeDimensions(BasicTreeUI.java:2807) at javax.swing.tree.AbstractLayoutCache.getNodeDimensions(AbstractLayoutCache.java:492) at javax.swing.tree.VariableHeightLayoutCache$TreeStateNode.updatePreferredSize(VariableHeightLayoutCache.java:1360)
Created attachment 163719 [details] stacktrace