Error during dispatching of java.awt.event.MouseEvent[MOUSE_RELEASED,(878,397),absolute(878,716),button=1,modifiers=Button1,clickCount=1] on dialog0
java.lang.NullPointerException
	at org.jetbrains.plugins.ruby.gem.ui.AddGemDialog.a(AddGemDialog.java:22)
	at org.jetbrains.plugins.ruby.gem.ui.AddGemDialog.<init>(AddGemDialog.java:52)
	at org.jetbrains.plugins.ruby.gem.ui.GemManagerPanel.a(GemManagerPanel.java:63)
	at org.jetbrains.plugins.ruby.gem.ui.GemManagerPanel.access$000(GemManagerPanel.java:165)
	at org.jetbrains.plugins.ruby.gem.ui.GemManagerPanel$3.actionPerformed(GemManagerPanel.java:2)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
	at java.awt.Component.processMouseEvent(Component.java:6134)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
	at java.awt.Component.processEvent(Component.java:5899)
	at java.awt.Container.processEvent(Container.java:2023)
	at java.awt.Component.dispatchEventImpl(Component.java:4501)
	at java.awt.Container.dispatchEventImpl(Container.java:2081)
	at java.awt.Component.dispatchEvent(Component.java:4331)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4301)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3965)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3895)
	at java.awt.Container.dispatchEventImpl(Container.java:2067)
	at java.awt.Window.dispatchEventImpl(Window.java:2458)
	at java.awt.Component.dispatchEvent(Component.java:4331)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
	at com.intellij.ide.IdeEventQueue.d(IdeEventQueue.java:19)
	at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:83)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:177)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178)
	at java.awt.Dialog$1.run(Dialog.java:1047)
	at java.awt.Dialog$3.run(Dialog.java:1099)
	at java.security.AccessController.$$YJP$$doPrivileged(Native Method)
	at java.security.AccessController.doPrivileged(AccessController.java)
	at java.awt.Dialog.show(Dialog.java:1097)
	at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:134)
	at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:94)
	at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:929)
	at com.intellij.ide.actions.ShowSettingsUtilImpl.a(ShowSettingsUtilImpl.java:1)
	at com.intellij.ide.actions.ShowSettingsUtilImpl.showSettingsDialog(ShowSettingsUtilImpl.java:10)
	at com.intellij.ide.actions.ShowSettingsAction.actionPerformed(ShowSettingsAction.java:7)
	at com.intellij.openapi.actionSystem.impl.ActionButton.a(ActionButton.java:44)
	at com.intellij.openapi.actionSystem.impl.ActionButton.a(ActionButton.java:99)
	at com.intellij.openapi.actionSystem.impl.ActionButton.processMouseEvent(ActionButton.java:25)
	at java.awt.Component.processEvent(Component.java:5899)
	at java.awt.Container.processEvent(Container.java:2023)
	at java.awt.Component.dispatchEventImpl(Component.java:4501)
	at java.awt.Container.dispatchEventImpl(Container.java:2081)
	at java.awt.Component.dispatchEvent(Component.java:4331)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4301)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3965)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3895)
	at java.awt.Container.dispatchEventImpl(Container.java:2067)
	at java.awt.Window.dispatchEventImpl(Window.java:2458)
	at java.awt.Component.dispatchEvent(Component.java:4331)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
	at com.intellij.ide.IdeEventQueue.d(IdeEventQueue.java:19)
	at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:83)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:177)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)