occurs once on pressing the Settings button in the MavenProjects view (after some changes made in default settings). No dialog appeared. Error during dispatching of java.awt.event.MouseEvent[MOUSE_RELEASED,(1029,130),absolute(1039,140),button=1,modifiers=Button1,clickCount=1] on frame0 java.lang.NullPointerException at org.jetbrains.idea.maven.builder.MavenBuilderConfigurable.collectProperties(MavenBuilderConfigurable.java:99) at org.jetbrains.idea.maven.builder.MavenBuilderConfigurable.<init>(MavenBuilderConfigurable.java:91) at org.jetbrains.idea.maven.builder.MavenBuilderImpl$1$1.<init>(MavenBuilderImpl.java:53) at org.jetbrains.idea.maven.builder.MavenBuilderImpl$1.createConfigurable(MavenBuilderImpl.java:53) at org.jetbrains.idea.maven.core.action.ShowSettingsAction.editMavenSettings(ShowSettingsAction.java:45) at org.jetbrains.idea.maven.core.action.ShowSettingsAction.actionPerformed(ShowSettingsAction.java:20) at com.intellij.openapi.actionSystem.impl.ActionButton.a(ActionButton.java:60) at com.intellij.openapi.actionSystem.impl.ActionButton.a(ActionButton.java:84) at com.intellij.openapi.actionSystem.impl.ActionButton.processMouseEvent(ActionButton.java:64) at java.awt.Component.processEvent(Component.java:5803) at java.awt.Container.processEvent(Container.java:2058) at java.awt.Component.dispatchEventImpl(Component.java:4410) at java.awt.Container.dispatchEventImpl(Container.java:2116) at java.awt.Component.dispatchEvent(Component.java:4240) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3986) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916) at java.awt.Container.dispatchEventImpl(Container.java:2102) at java.awt.Window.dispatchEventImpl(Window.java:2429) at java.awt.Component.dispatchEvent(Component.java:4240) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:142) at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:129) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:205) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160) at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)