Results in the stack trace below:

org.jasig.portal.InternalPortalException: org.jasig.portal.channels.portlet.PortletDispatchException: The portlet window 'PortletWindowImpl[portletWindowId=37.u13l1n13,contextPath=/BookmarksPortlet,portletName=BookmarksPortlet,windowState=normal,portletMode=view,expirationCache=<null>,requestParameters=<null>]' threw an exception while executing action. channelPublishId=36, channelSubscribeId=u13l1n13, user=admin
at org.jasig.portal.ChannelRenderer.completeRendering(ChannelRenderer.java:319)
at org.jasig.portal.ChannelManager.doChannelAction(ChannelManager.java:1005)
at org.jasig.portal.rendering.StaticRenderingPipeline.renderState(StaticRenderingPipeline.java:195)
at org.jasig.portal.PortalSessionManager.doGetInternal(PortalSessionManager.java:246)
at org.jasig.portal.PortalSessionManager.doGet(PortalSessionManager.java:176)
at org.jasig.portal.PortalSessionManager.doPost(PortalSessionManager.java:161)
Caused by: org.jasig.portal.channels.portlet.PortletDispatchException: The portlet window 'PortletWindowImpl[portletWindowId=37.u13l1n13,contextPath=/BookmarksPortlet,portletName=BookmarksPortlet,windowState=normal,portletMode=view,expirationCache=<null>,requestParameters=<null>]' threw an exception while executing action. channelPublishId=36, channelSubscribeId=u13l1n13, user=admin
at org.jasig.portal.channels.portlet.SpringPortletChannelImpl.action(SpringPortletChannelImpl.java:320)
at org.jasig.portal.channels.portlet.CSpringPortletAdaptor.processAction(CSpringPortletAdaptor.java:128)
at org.jasig.portal.ChannelRenderer$Worker.execute(ChannelRenderer.java:450)
at org.jasig.portal.utils.threading.BaseTask.run(BaseTask.java:27)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:417)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
at java.util.concurrent.FutureTask.run(FutureTask.java:123)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
... 1 more
Caused by: javax.portlet.PortletSecurityException: Secure URLs are not supported at this time
at org.jasig.portal.portlet.url.PortletURLProviderImpl.setSecure(PortletURLProviderImpl.java:70)
at org.apache.pluto.core.PortletContainerImpl.doAction(PortletContainerImpl.java:261)
at org.jasig.portal.channels.portlet.SpringPortletChannelImpl.action(SpringPortletChannelImpl.java:317)
... 9 more