Redirection, done immediately upon accessing an application, causes a NullPointerException with the following stack trace

 java.lang.NullPointerException
  at com.icesoft.faces.webapp.http.servlet.ServletExternalContext.redirect(ServletExternalContext.java:349)
  at org.jboss.seam.core.Manager.redirect(Manager.java:1079)
  at org.jboss.seam.core.Manager.redirect(Manager.java:1035)
  at org.jboss.seam.core.Pages.enterPage(Pages.java:257)
  at org.jboss.seam.jsf.AbstractSeamPhaseListener.enterPage(AbstractSeamPhaseListener.java:276)
  at org.jboss.seam.jsf.AbstractSeamPhaseListener.beforeRender(AbstractSeamPhaseListener.java:214)
  at org.jboss.seam.jsf.SeamPhaseListener.beforePhase(SeamPhaseListener.java:56)
  at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:222)
  at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
  at com.icesoft.faces.webapp.http.core.PageServer$1.respond(PageServer.java:26)
  at com.icesoft.faces.webapp.http.servlet.ServletRequestResponse.respondWith(ServletRequestResponse.java:125)
  at com.icesoft.faces.webapp.http.core.PageServer.service(PageServer.java:31)
  at com.icesoft.faces.webapp.http.servlet.BasicAdaptingServlet.service(BasicAdaptingServlet.java:16)
  at com.icesoft.faces.webapp.http.servlet.MultiViewServlet.service(MultiViewServlet.java:56)
  at com.icesoft.faces.webapp.http.servlet.PathDispatcher$Matcher.serviceOnMatch(PathDispatcher.java:52)
  at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:29)
  at com.icesoft.faces.webapp.http.servlet.MainSessionBoundServlet.service(MainSessionBoundServlet.java:89)
  at com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:35)
  at com.icesoft.faces.webapp.http.servlet.PathDispatcher$Matcher.serviceOnMatch(PathDispatcher.java:52)
  at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:29)
  at com.icesoft.faces.webapp.http.servlet.MainServlet.service(MainServlet.java:65)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
  at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
  at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
  at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
  at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
  at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  at java.lang.Thread.run(Thread.java:595)

The redirector field inside the ServletExternalContext has no value until switchToNormalMode or switchToPushMode are called.