.java.lang.NullPointerException
at fi.helsinki.cs.tmc.intellij.services.exercises.ExerciseUploadingService.startUploadExercise(ExerciseUploadingService.java:55)
at fi.helsinki.cs.tmc.intellij.actions.buttonactions.UploadExerciseAction.callExerciseUploadService(UploadExerciseAction.java:63)
at fi.helsinki.cs.tmc.intellij.actions.buttonactions.UploadExerciseAction.uploadExercise(UploadExerciseAction.java:56)
at fi.helsinki.cs.tmc.intellij.actions.buttonactions.UploadExerciseAction.actionPerformed(UploadExerciseAction.java:39)
at com.intellij.openapi.actionSystem.ex.ActionUtil.lambda$performActionDumbAware$5(ActionUtil.java:273)
at com.intellij.util.SlowOperations.lambda$allowSlowOperations$0(SlowOperations.java:77)
at com.intellij.util.SlowOperations.allowSlowOperations(SlowOperations.java:64)
at com.intellij.util.SlowOperations.allowSlowOperations(SlowOperations.java:76)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:273)
at com.intellij.openapi.actionSystem.impl.ActionButton.actionPerformed(ActionButton.java:201)
at com.intellij.openapi.actionSystem.impl.ActionButton.performAction(ActionButton.java:174)
at com.intellij.openapi.actionSystem.impl.ActionButton.performAction(ActionButton.java:157)
at com.intellij.openapi.actionSystem.impl.ActionButton.processMouseEvent(ActionButton.java:469)
at java.desktop/java.awt.Component.processEvent(Component.java:6417)
at java.desktop/java.awt.Container.processEvent(Container.java:2263)
at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5027)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4859)
at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4918)
at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4547)
at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4488)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2307)
at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2784)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4859)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:778)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:727)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:751)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:749)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:748)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:969)
at com.intellij.ide.IdeEventQueue.dispatchMouseEvent(IdeEventQueue.java:906)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:836)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:449)
at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:808)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$9(IdeEventQueue.java:448)
at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:781)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:502)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
.java.lang.NullPointerException at fi.helsinki.cs.tmc.intellij.services.exercises.ExerciseUploadingService.startUploadExercise(ExerciseUploadingService.java:55) at fi.helsinki.cs.tmc.intellij.actions.buttonactions.UploadExerciseAction.callExerciseUploadService(UploadExerciseAction.java:63) at fi.helsinki.cs.tmc.intellij.actions.buttonactions.UploadExerciseAction.uploadExercise(UploadExerciseAction.java:56) at fi.helsinki.cs.tmc.intellij.actions.buttonactions.UploadExerciseAction.actionPerformed(UploadExerciseAction.java:39) at com.intellij.openapi.actionSystem.ex.ActionUtil.lambda$performActionDumbAware$5(ActionUtil.java:273) at com.intellij.util.SlowOperations.lambda$allowSlowOperations$0(SlowOperations.java:77) at com.intellij.util.SlowOperations.allowSlowOperations(SlowOperations.java:64) at com.intellij.util.SlowOperations.allowSlowOperations(SlowOperations.java:76) at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:273) at com.intellij.openapi.actionSystem.impl.ActionButton.actionPerformed(ActionButton.java:201) at com.intellij.openapi.actionSystem.impl.ActionButton.performAction(ActionButton.java:174) at com.intellij.openapi.actionSystem.impl.ActionButton.performAction(ActionButton.java:157) at com.intellij.openapi.actionSystem.impl.ActionButton.processMouseEvent(ActionButton.java:469) at java.desktop/java.awt.Component.processEvent(Component.java:6417) at java.desktop/java.awt.Container.processEvent(Container.java:2263) at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5027) at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321) at java.desktop/java.awt.Component.dispatchEvent(Component.java:4859) at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4918) at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4547) at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4488) at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2307) at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2784) at java.desktop/java.awt.Component.dispatchEvent(Component.java:4859) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:778) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:727) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95) at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:751) at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:749) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:748) at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:969) at com.intellij.ide.IdeEventQueue.dispatchMouseEvent(IdeEventQueue.java:906) at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:836) at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:449) at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:808) at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$9(IdeEventQueue.java:448) at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:781) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:502) at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)