The control(menus, buttons, ..etc) font of maple is ugly on linux jdk 1.4.x. So I tried to run maple on jdk 5.0 with swing.aatext=true option. I have installed crimson xml parser at {maple installation dir}/java directory. And I tried to start maple. But maple didn't start with next exception. Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: No such child: 0 at java.awt.Container.getComponent(Container.java:280) at com.maplesoft.mathdoc.components.dockingtools.WmiBorderSplitPane$DockContainer.(Unknown Source) at com.maplesoft.mathdoc.components.dockingtools.WmiBorderSplitPane.addAtLocation(Unknown Source) at com.maplesoft.worksheet.components.dockingtools.WmiWorksheetDockPanel.configurePanel(Unknown Source) at com.maplesoft.worksheet.components.dockingtools.WmiWorksheetDockPanel.(Unknown Source) at com.maplesoft.worksheet.components.WmiWorksheetFrameWindow.createContents(Unknown Source) at com.maplesoft.worksheet.components.WmiWorksheetFrameWindow.(Unknown Source) at com.maplesoft.worksheet.application.WmiWorksheetWindowManager.createWorksheet(Unknown Source) at com.maplesoft.worksheet.application.WmiWorksheetWindowManager.createWorksheet(Unknown Source) at com.maplesoft.worksheet.controller.file.WmiWorksheetFileNew.newWindow(Unknown Source) at com.maplesoft.worksheet.controller.file.WmiWorksheetFileNewDocument.newDocument(Unknown Source) at com.maplesoft.worksheet.application.WmiWorksheet.openFirstWindow(Unknown Source) at com.maplesoft.worksheet.application.WmiWorksheet.main(Unknown Source) I removed the file ~/.maple10rc and tried once but next exception is occurred. Exception in thread "main" java.lang.ClassCastException: javax.swing.plaf.synth.DefaultSynthStyleFactory at com.sun.java.swing.plaf.gtk.GTKLookAndFeel.initComponentDefaults(GTKLookAndFeel.java:221) at com.sun.java.swing.plaf.gtk.GTKLookAndFeel.getDefaults(GTKLookAndFeel.java:201) at javax.swing.UIManager.setLookAndFeel(UIManager.java:441) at javax.swing.UIManager.setLookAndFeel(UIManager.java:481) at com.maplesoft.mathdoc.view.WmiMathDocumentView.setLookAndFeel(Unknown Source) at com.maplesoft.mathdoc.view.WmiMathDocumentView.(Unknown Source) at com.maplesoft.mathdoc.view.WmiMathDocumentView.(Unknown Source) at com.maplesoft.mathdoc.controller.WmiCommand.getCommand(Unknown Source) at com.maplesoft.wksload.FormatMenuUnix.buildItem835(Unknown Source) at com.maplesoft.wksload.FormatMenuUnix.buildMenu106(Unknown Source) at com.maplesoft.wksload.FormatMenuUnix.buildMenu105(Unknown Source) at com.maplesoft.wksload.FormatMenuUnix.buildMenu(Unknown Source) at com.maplesoft.mathdoc.controller.WmiMenu.buildMenu(Unknown Source) at com.maplesoft.worksheet.controller.format.WmiWorksheetFormatMenu.(Unknown Source) at com.maplesoft.worksheet.components.WmiWorksheetMenuBar.(Unknown Source) at com.maplesoft.worksheet.components.WmiWorksheetFrameWindow.createMenu(Unknown Source) at com.maplesoft.worksheet.components.WmiWorksheetFrameWindow.(Unknown Source) at com.maplesoft.worksheet.application.WmiWorksheetWindowManager.createWorksheet(Unknown Source) at com.maplesoft.worksheet.application.WmiWorksheet.openFirstWindow(Unknown Source) My environment is .... Maple 10.02, sun j2sdk 1.5.0_06, Ubuntu breezy. How can I use anti-aliased or pretty control font on my linux box?

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