Turns out my Application.getHomePage() was returning null. On Mar 6, 2012, at 10:37 AM, Douglas Ferguson wrote:
> I'm seeing this exception from time to time and I'm not sure where it's > coming from. > > java.lang.NullPointerException > at > org.apache.wicket.request.mapper.MountedMapper.checkHomePage(MountedMapper.java:459) > at > org.apache.wicket.request.mapper.MountedMapper.parseRequest(MountedMapper.java:242) > at > org.apache.wicket.request.mapper.HomePageMapper.parseRequest(HomePageMapper.java:98) > at > org.apache.wicket.request.mapper.AbstractBookmarkableMapper.mapRequest(AbstractBookmarkableMapper.java:263) > at > org.apache.wicket.request.mapper.CompoundRequestMapper.mapRequest(CompoundRequestMapper.java:131) > at > org.apache.wicket.protocol.https.HttpsMapper.mapRequest(HttpsMapper.java:91) > at > org.apache.wicket.request.cycle.RequestCycle.resolveRequestHandler(RequestCycle.java:184) > at > org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:209) > at > org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:283) > at > org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:162) > at > org.apache.wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:137) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:734) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) > at > org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:550) > at > org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:486) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) > at > org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) > at > org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:229) > at > org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:970) > at > org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:414) > at > org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:187) > at > org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:904) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) > at > org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) > at > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) > at org.eclipse.jetty.server.Server.handle(Server.java:347) > at > org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:590) > at > org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1054) > at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) > at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) > at > org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) > at > org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:241) > at > org.eclipse.jetty.server.ssl.SslSocketConnector$SslConnectorEndPoint.run(SslSocketConnector.java:664) > at > org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) > at java.lang.Thread.run(Thread.java:680)
