When I install plugin with intellij 11.1.4 and plugin idea-gosu-plugin-3.1(latest version), it showed as follows:
at com.intellij.openapi.roots.ui.configuration.ProjectJdksConfigurable.reset(ProjectJdksConfigurable.java:102)
at com.intellij.ide.util.projectWizard.ProjectJdkStep.<init>(ProjectJdkStep.java:52)
at com.intellij.ide.util.projectWizard.ProjectWizardStepFactoryImpl$2.<init>(ProjectWizardStepFactoryImpl.java:104)
at com.intellij.ide.util.projectWizard.ProjectWizardStepFactoryImpl.createProjectJdkStep(ProjectWizardStepFactoryImpl.java:104)
at org.jetbrains.plugins.groovy.mvc.MvcModuleBuilder.createWizardSteps(MvcModuleBuilder.java:23)
at com.intellij.ide.util.newProjectWizard.modes.CreateFromScratchMode.addModuleBuilder(CreateFromScratchMode.java:68)
at com.intellij.ide.util.newProjectWizard.modes.CreateFromScratchMode.createSteps(CreateFromScratchMode.java:59)
at com.intellij.ide.util.newProjectWizard.modes.WizardMode.getSteps(WizardMode.java:51)
at com.intellij.ide.util.newProjectWizard.AddModuleWizard.initModuleWizard(AddModuleWizard.java:104)
at com.intellij.ide.util.newProjectWizard.AddModuleWizard.<init>(AddModuleWizard.java:69)
at com.intellij.ide.impl.NewProjectUtil.createNewProject(NewProjectUtil.java:70)
at com.intellij.ide.actions.NewProjectAction.actionPerformed(NewProjectAction.java:26)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter$1.run(ActionMenuItem.java:260)
at com.intellij.openapi.wm.impl.FocusManagerImpl.runOnOwnContext(FocusManagerImpl.java:892)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionMenuItem.java:226)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.java:100)
at com.intellij.ui.plaf.beg.BegMenuItemUI.doClick(BegMenuItemUI.java:512)
at com.intellij.ui.plaf.beg.BegMenuItemUI.access$300(BegMenuItemUI.java:44)
at com.intellij.ui.plaf.beg.BegMenuItemUI$MyMouseInputHandler.mouseReleased(BegMenuItemUI.java:532)
at java.awt.Component.processMouseEvent(Component.java:6290)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6055)
at java.awt.Container.processEvent(Container.java:2039)
at java.awt.Component.dispatchEventImpl(Component.java:4653)
at java.awt.Container.dispatchEventImpl(Container.java:2097)
at java.awt.Component.dispatchEvent(Component.java:4481)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4575)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4236)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4166)
at java.awt.Container.dispatchEventImpl(Container.java:2083)
at java.awt.Window.dispatchEventImpl(Window.java:2482)
at java.awt.Component.dispatchEvent(Component.java:4481)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:648)
at java.awt.EventQueue.access$000(EventQueue.java:84)
at java.awt.EventQueue$1.run(EventQueue.java:607)
at java.awt.EventQueue$1.run(EventQueue.java:605)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
at java.awt.EventQueue$2.run(EventQueue.java:621)
at java.awt.EventQueue$2.run(EventQueue.java:619)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:618)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:699)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:534)