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Android studio3.0空指针异常

1

环境：Android studio3.0 空指针异常。之后再敲快捷键再无反应。 错误日志： null java.lang.NullPointerException at com.intellij.ide.SystemHealthMonitor.getActionName(SystemHealthMonitor.java:640) at com.intellij.ide.SystemHealthMonitor.countActionInvocation(SystemHealthMonitor.java:547) at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.fireBeforeActionPerformed(ActionManagerImpl.java:1183) at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processAction(IdeKeyEventDispatcher.java:612) at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.inInitState(IdeKeyEventDispatcher.java:477) at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.dispatchKeyEvent(IdeKeyEventDispatcher.java:211) at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:633) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:365) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)...