java.lang.NullPointerException
   at org.netbeans.modules.java.source.pretty.WidthEstimator.widthQ(WidthEstimator.java:114)
   at org.netbeans.modules.java.source.pretty.WidthEstimator.width(WidthEstimator.java:101)
   at org.netbeans.modules.java.source.pretty.WidthEstimator.visitSelect(WidthEstimator.java:284)
   at com.sun.tools.javac.tree.JCTree$JCFieldAccess.accept(JCTree.java:2110)
   at org.netbeans.modules.java.source.pretty.WidthEstimator.estimateWidth(WidthEstimator.java:73)
   at org.netbeans.modules.java.source.pretty.VeryPretty.wrapTrees(VeryPretty.java:3327)
   at org.netbeans.modules.java.source.pretty.VeryPretty.wrapTrees(VeryPretty.java:3307)
   at org.netbeans.modules.java.source.pretty.VeryPretty.wrapTrees(VeryPretty.java:3303)
   at org.netbeans.modules.java.source.pretty.VeryPretty.visitApply(VeryPretty.java:1525)
   at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1634)
   at org.netbeans.modules.java.source.pretty.VeryPretty.doAccept(VeryPretty.java:432)
   at org.netbeans.modules.java.source.pretty.VeryPretty.printExpr(VeryPretty.java:2845)
   at org.netbeans.modules.java.source.pretty.VeryPretty.visitUnary(VeryPretty.java:1700)
   at com.sun.tools.javac.tree.JCTree$JCUnary.accept(JCTree.java:1954)
   at org.netbeans.modules.java.source.pretty.VeryPretty.doAccept(VeryPretty.java:432)
   at org.netbeans.modules.java.source.pretty.VeryPretty.printExpr(VeryPretty.java:2845)
   at org.netbeans.modules.java.source.pretty.VeryPretty.printNoParenExpr(VeryPretty.java:2836)
   at org.netbeans.modules.java.source.pretty.VeryPretty.visitIf(VeryPretty.java:1416)
   at com.sun.tools.javac.tree.JCTree$JCIf.accept(JCTree.java:1421)
   at org.netbeans.modules.java.source.pretty.VeryPretty.doAccept(VeryPretty.java:432)
   at org.netbeans.modules.java.source.pretty.VeryPretty.printExpr(VeryPretty.java:2845)
   at org.netbeans.modules.java.source.pretty.VeryPretty.printStat(VeryPretty.java:2902)
   at org.netbeans.modules.java.source.pretty.VeryPretty.printStats(VeryPretty.java:2958)
   at org.netbeans.modules.java.source.pretty.VeryPretty.printBlock(VeryPretty.java:3040)
   at org.netbeans.modules.java.source.pretty.VeryPretty.printBlock(VeryPretty.java:2977)
   at org.netbeans.modules.java.source.pretty.VeryPretty.visitMethodDef(VeryPretty.java:1027)
   at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:872)
   at org.netbeans.modules.java.source.pretty.VeryPretty.doAccept(VeryPretty.java:432)
   at org.netbeans.modules.java.source.pretty.VeryPretty.print(VeryPretty.java:301)
   at org.netbeans.modules.java.source.save.CasualDiff.diffList(CasualDiff.java:3939)
   at org.netbeans.modules.java.source.save.CasualDiff.diffClassDef(CasualDiff.java:1101)
   at org.netbeans.modules.java.source.save.CasualDiff.diffTreeImpl0(CasualDiff.java:5218)
   at org.netbeans.modules.java.source.save.CasualDiff.diffTreeImpl(CasualDiff.java:5112)
   at org.netbeans.modules.java.source.save.CasualDiff.diffTree(CasualDiff.java:5040)
   at org.netbeans.modules.java.source.save.CasualDiff.diffTree(CasualDiff.java:5011)
   at org.netbeans.modules.java.source.save.CasualDiff.diffList(CasualDiff.java:3857)
   at org.netbeans.modules.java.source.save.CasualDiff.diffTopLevel(CasualDiff.java:593)
   at org.netbeans.modules.java.source.save.CasualDiff.diffTreeImpl0(CasualDiff.java:5191)
   at org.netbeans.modules.java.source.save.CasualDiff.diffTreeImpl(CasualDiff.java:5112)
   at org.netbeans.modules.java.source.save.CasualDiff.diffTree(CasualDiff.java:5040)
   at org.netbeans.modules.java.source.save.CasualDiff.diffTree(CasualDiff.java:5023)
   at org.netbeans.modules.java.source.save.CasualDiff.diff(CasualDiff.java:371)
   at org.netbeans.api.java.source.WorkingCopy.processCurrentCompilationUnit(WorkingCopy.java:929)
   at org.netbeans.api.java.source.WorkingCopy.getChanges(WorkingCopy.java:1341)
   at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:697)
   at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:684)
   at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:523)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:609)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:153)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:137)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:204)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:201)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:141)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:90)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:201)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:104)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:473)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:444)
   at org.netbeans.api.java.source.JavaSource.runModificationTask(JavaSource.java:705)
   at org.netbeans.modules.java.editor.codegen.EqualsHashCodeGenerator.invoke(EqualsHashCodeGenerator.java:373)
   at org.netbeans.modules.editor.codegen.GenerateCodePanel.invokeSelected(GenerateCodePanel.java:190)
   at org.netbeans.modules.editor.codegen.GenerateCodePanel.listKeyPressed(GenerateCodePanel.java:146)
   at org.netbeans.modules.editor.codegen.GenerateCodePanel.access$200(GenerateCodePanel.java:66)
   at org.netbeans.modules.editor.codegen.GenerateCodePanel$4.keyPressed(GenerateCodePanel.java:120)
   at java.awt.AWTEventMulticaster.keyPressed(AWTEventMulticaster.java:258)
   at java.awt.Component.processKeyEvent(Component.java:6536)
   at javax.swing.JComponent.processKeyEvent(JComponent.java:2850)
   at java.awt.Component.processEvent(Component.java:6355)
   at java.awt.Container.processEvent(Container.java:2259)
   at java.awt.Component.dispatchEventImpl(Component.java:4961)
   at java.awt.Container.dispatchEventImpl(Container.java:2317)
   at java.awt.Component.dispatchEvent(Component.java:4793)
   at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1955)
   at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:827)
   at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1096)
   at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:966)
   at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:792)
   at java.awt.Component.dispatchEventImpl(Component.java:4842)
   at java.awt.Container.dispatchEventImpl(Container.java:2317)
   at java.awt.Window.dispatchEventImpl(Window.java:2758)
   at java.awt.Component.dispatchEvent(Component.java:4793)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:766)
   at java.awt.EventQueue.access$500(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:717)
   at java.awt.EventQueue$3.run(EventQueue.java:711)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:99)
   at java.awt.EventQueue$4.run(EventQueue.java:739)
   at java.awt.EventQueue$4.run(EventQueue.java:737)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:736)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:199)
   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)