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java.lang.NullPointerException: 	at javax.swing.text.View.getToolTipText(View.java:1041)	at javax.swing.plaf.basic.BasicTextUI.getToolTipText(BasicTextUI.java:1240)	at javax.swing.text.JTextComponent.getToolTipText(JTextComponent.java:1919)	at com.intellij.ide.IdeTooltipManager.isTooltipDefined(IdeTooltipManager.java:201)	at com.intellij.ide.IdeTooltipManager.maybeShowFor(IdeTooltipManager.java:180)	at com.intellij.ide.IdeTooltipManager.eventDispatched(IdeTooltipManager.java:155)	at java.awt.Toolkit$SelectiveAWTEventListener.eventDispatched(Toolkit.java:2425)	at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2317)	at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2316)	at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2316)	at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2316)	at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2316)	at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2316)	at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2316)	at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2316)	at java.awt.Toolkit.notifyAWTEventListeners(Toolkit.java:2275)	at java.awt.Component.dispatchEventImpl(Component.java:4785)	at java.awt.Container.dispatchEventImpl(Container.java:2294)	at java.awt.Component.dispatchEvent(Component.java:4711)	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4538)	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)	at java.awt.Container.dispatchEventImpl(Container.java:2280)	at java.awt.Window.dispatchEventImpl(Window.java:2746)	at java.awt.Component.dispatchEvent(Component.java:4711)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)	at java.awt.EventQueue.access$500(EventQueue.java:97)	at java.awt.EventQueue$3.run(EventQueue.java:709)	at java.awt.EventQueue$3.run(EventQueue.java:703)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)	at java.awt.EventQueue$4.run(EventQueue.java:731)	at java.awt.EventQueue$4.run(EventQueue.java:729)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)	at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:863)	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:695)	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:385)	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)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)