java.lang.NullPointerException
    at com.alibabacloud.intellij.cosy.chat.action.CosyCommitMessageGenerationAction.getDiff(CosyCommitMessageGenerationAction.java:166)
    at com.alibabacloud.intellij.cosy.chat.action.CosyCommitMessageGenerationAction.lambda$update$0(CosyCommitMessageGenerationAction.java:112)
    at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)
    at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:776)
    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.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:746)
    at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:976)
    at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:843)
    at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:454)
    at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:762)
    at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$9(IdeEventQueue.java:453)
    at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:822)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:507)
    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.pumpEventsForFilter(EventDispatchThread.java:117)
    at java.desktop/java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:190)
    at java.desktop/java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:235)
    at java.desktop/java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:233)
    at java.base/java.security.AccessController.doPrivileged(Native Method)
    at java.desktop/java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:233)
    at java.desktop/java.awt.Dialog.show(Dialog.java:1063)
    at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:694)
    at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:435)
    at com.intellij.openapi.ui.DialogWrapper.doShow(DialogWrapper.java:1715)
    at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1674)
    at com.intellij.openapi.ui.DialogWrapper.showAndGet(DialogWrapper.java:1688)
    at com.intellij.openapi.vcs.changes.ui.CommitChangeListDialog.activate(CommitChangeListDialog.java:265)
    at com.intellij.vcs.commit.SingleChangeListCommitWorkflowHandler.activate(SingleChangeListCommitWorkflowHandler.kt:64)
    at com.intellij.openapi.vcs.changes.ui.CommitChangeListDialog.commitChanges(CommitChangeListDialog.java:223)
    at com.intellij.openapi.vcs.changes.ui.CommitChangeListDialog.commitChanges(CommitChangeListDialog.java:140)
    at com.intellij.openapi.vcs.actions.AbstractCommonCheckinAction.performCheckIn(AbstractCommonCheckinAction.kt:131)
    at com.intellij.openapi.vcs.actions.AbstractCommonCheckinAction$queueCheckin$1.run(AbstractCommonCheckinAction.kt:86)
    at com.intellij.openapi.vcs.changes.Waiter.onSuccess(Waiter.java:51)
    at com.intellij.openapi.progress.impl.CoreProgressManager.finishTask(CoreProgressManager.java:578)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl.finishTask(ProgressManagerImpl.java:154)
    at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcessWithProgressSynchronously$8(CoreProgressManager.java:536)
    at com.intellij.openapi.application.impl.ApplicationImpl.invokeAndWait(ApplicationImpl.java:463)
    at com.intellij.openapi.application.ex.ApplicationUtil.invokeAndWaitSomewhere(ApplicationUtil.java:160)
    at com.intellij.openapi.application.ex.ApplicationUtil.invokeAndWaitSomewhere(ApplicationUtil.java:115)
    at com.intellij.openapi.progress.impl.CoreProgressManager.runProcessWithProgressSynchronously(CoreProgressManager.java:536)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcessWithProgressSynchronously(ProgressManagerImpl.java:90)
    at com.intellij.openapi.progress.impl.CoreProgressManager.runSynchronously(CoreProgressManager.java:384)
    at com.intellij.openapi.progress.impl.CoreProgressManager.run(CoreProgressManager.java:369)
    at com.intellij.openapi.vcs.changes.CallbackData.lambda$createInteractive$3(CallbackData.java:85)
    at com.intellij.openapi.vcs.changes.UpdateRequestsQueue.invokeAfterUpdate(UpdateRequestsQueue.java:177)
    at com.intellij.openapi.vcs.changes.ChangeListManagerImpl.invokeAfterUpdate(ChangeListManagerImpl.java:372)
    at com.intellij.openapi.vcs.changes.ChangeListManagerImpl.invokeAfterUpdate(ChangeListManagerImpl.java:360)
    at com.intellij.openapi.vcs.actions.AbstractCommonCheckinAction.queueCheckin(AbstractCommonCheckinAction.kt:85)
    at com.intellij.openapi.vcs.actions.AbstractCommonCheckinAction.actionPerformed(AbstractCommonCheckinAction.kt:76)
    at com.intellij.openapi.vcs.actions.AbstractVcsAction.actionPerformed(AbstractVcsAction.java:34)
    at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:281)
    at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.lambda$actionPerformed$0(ActionMenuItem.java:310)
    at com.intellij.openapi.wm.impl.FocusManagerImpl.runOnOwnContext(FocusManagerImpl.java:286)
    at com.intellij.openapi.wm.impl.IdeFocusManagerImpl.runOnOwnContext(IdeFocusManagerImpl.java:77)
    at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionMenuItem.java:299)
    at java.desktop/javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1967)
    at com.intellij.openapi.actionSystem.impl.ActionMenuItem.lambda$fireActionPerformed$0(ActionMenuItem.java:110)
    at com.intellij.openapi.application.TransactionGuardImpl.performUserActivity(TransactionGuardImpl.java:95)
    at com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.java:110)
    at com.intellij.ui.plaf.beg.BegMenuItemUI.doClick(BegMenuItemUI.java:514)
    at com.intellij.ui.plaf.beg.BegMenuItemUI$MyMouseInputHandler.mouseReleased(BegMenuItemUI.java:544)
    at java.desktop/java.awt.Component.processMouseEvent(Component.java:6652)
    at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3345)
    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:2780)
    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:976)
    at com.intellij.ide.IdeEventQueue.dispatchMouseEvent(IdeEventQueue.java:911)
    at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:840)
    at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:454)
    at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:773)
    at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$9(IdeEventQueue.java:453)
    at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:822)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:507)
    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)
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