NullPointerException

Unexpected exception received while running Sketch It!: java.lang.NullPointerException Please, do not hesitate to report it: * by mail at philippe.mesmeur@gmail.com * by opening an issue at https://bitbucket.org/pmesmeur/sketch.it/issues

For an efficient investigation, please do not forget to provide: * the call stack that follows the current message * the IDEA log file (to find it, select entry "Show Log in Explorer", from "Help" menu)

Sorry for inconvenience and thank you for your contribution.

Call stack: org.pmesmeur.sketchit.diagram.sorters.ClassSorter$PsiClassComparator.compare(ClassSorter.java:35) org.pmesmeur.sketchit.diagram.sorters.ClassSorter$PsiClassComparator.compare(ClassSorter.java:28) java.util.TimSort.countRunAndMakeAscending(TimSort.java:355) java.util.TimSort.sort(TimSort.java:220) java.util.Arrays.sort(Arrays.java:1512) java.util.ArrayList.sort(ArrayList.java:1462) java.util.Collections.sort(Collections.java:175) org.pmesmeur.sketchit.diagram.sorters.ClassSorter.sort(ClassSorter.java:12) org.pmesmeur.sketchit.diagram.clazz.ClassDiagramGenerator.generate(ClassDiagramGenerator.java:156) org.pmesmeur.sketchit.diagram.UmlModuleClassDiagram.generateDiagram(UmlModuleClassDiagram.java:46) org.pmesmeur.sketchit.diagram.UmlDiagram.generateDiagram(UmlDiagram.java:56) org.pmesmeur.sketchit.diagram.UmlDiagram.generate(UmlDiagram.java:35) org.pmesmeur.sketchit.diagram.UmlDiagramsGenerator.generateModuleClassDiagram(UmlDiagramsGenerator.java:44) org.pmesmeur.sketchit.diagram.UmlDiagramsGenerator.generateClassDiagrams(UmlDiagramsGenerator.java:35) org.pmesmeur.sketchit.SketchIt.generatePlantUmlDiagram(SketchIt.java:75) org.pmesmeur.sketchit.SketchIt.generatePlantUmlDiagramWithExceptionHandling(SketchIt.java:61) org.pmesmeur.sketchit.SketchIt.generatePlantUmlModel(SketchIt.java:53) org.pmesmeur.sketchit.SketchIt.actionBody(SketchIt.java:45) org.pmesmeur.sketchit.SketchIt.access$000(SketchIt.java:12) org.pmesmeur.sketchit.SketchIt$1.run(SketchIt.java:32) com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:1054) org.pmesmeur.sketchit.SketchIt.runInsideAnIntellijWriteAction(SketchIt.java:30) org.pmesmeur.sketchit.SketchIt.actionPerformed(SketchIt.java:24) com.intellij.openapi.actionSystem.ex.ActionUtil$1.run(ActionUtil.java:261) com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:278) com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.lambda$actionPerformed$0(ActionMenuItem.java:292) com.intellij.openapi.wm.impl.FocusManagerImpl.runOnOwnContext(FocusManagerImpl.java:283) com.intellij.openapi.wm.impl.IdeFocusManagerImpl.runOnOwnContext(IdeFocusManagerImpl.java:107) com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionMenuItem.java:282) javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022) com.intellij.openapi.actionSystem.impl.ActionMenuItem.lambda$fireActionPerformed$0(ActionMenuItem.java:111) com.intellij.openapi.application.TransactionGuardImpl.runSyncTransaction(TransactionGuardImpl.java:88) com.intellij.openapi.application.TransactionGuardImpl.lambda$submitTransaction$1(TransactionGuardImpl.java:111) com.intellij.openapi.application.TransactionGuardImpl.submitTransaction(TransactionGuardImpl.java:120) com.intellij.openapi.application.TransactionGuard.submitTransaction(TransactionGuard.java:121) com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.java:111) com.intellij.ui.plaf.beg.BegMenuItemUI.doClick(BegMenuItemUI.java:524) com.intellij.ui.plaf.beg.BegMenuItemUI.access$300(BegMenuItemUI.java:35) com.intellij.ui.plaf.beg.BegMenuItemUI$MyMouseInputHandler.mouseReleased(BegMenuItemUI.java:546) java.awt.Component.processMouseEvent(Component.java:6550) javax.swing.JComponent.processMouseEvent(JComponent.java:3325) java.awt.Component.processEvent(Component.java:6315) java.awt.Container.processEvent(Container.java:2239) java.awt.Component.dispatchEventImpl(Component.java:4899) java.awt.Container.dispatchEventImpl(Container.java:2297) java.awt.Component.dispatchEvent(Component.java:4721) java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4904) java.awt.LightweightDispatcher.processMouseEvent(Container.java:4535) java.awt.LightweightDispatcher.dispatchEvent(Container.java:4476) java.awt.Container.dispatchEventImpl(Container.java:2283) java.awt.Window.dispatchEventImpl(Window.java:2746) java.awt.Component.dispatchEvent(Component.java:4721) java.awt.EventQueue.dispatchEventImpl(EventQueue.java:766) java.awt.EventQueue.access$500(EventQueue.java:98) java.awt.EventQueue$3.run(EventQueue.java:715) java.awt.EventQueue$3.run(EventQueue.java:709) java.security.AccessController.doPrivileged(Native Method) java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74) java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84) java.awt.EventQueue$4.run(EventQueue.java:739) java.awt.EventQueue$4.run(EventQueue.java:737) java.security.AccessController.doPrivileged(Native Method) java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74) java.awt.EventQueue.dispatchEvent(EventQueue.java:736) com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:729) com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:674) com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:373) java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205) java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

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