hello,

i have installed jetspeed2.1 installer version. and i am trying to access web portal from mobile phone. but i get "Wrong mime-type" and
in jetspee.log i get

javax.portlet.PortletException
        at org.apache.jetspeed.container.invoker.LocalPortlet Invoker.invoke(LocalPortletInvoker.java:226)
        at org.apache.jetspeed.container.invoker.LocalPortlet Invoker.render(LocalPortletInvoker.java:117)
        at org.apache.pluto.PortletContainerImpl.renderPortle t(PortletContainerImpl.java:119)
        at org.apache.jetspeed.container.JetspeedPortletConta inerWrapper.renderPortlet(JetspeedPortletContainer Wrapper.java:120)
        at org.apache.jetspeed.aggregator.impl.RenderingJobIm pl.execute(RenderingJobImpl.java:242)
        at org.apache.jetspeed.aggregator.impl.PortletRendere rImpl.renderNow(PortletRendererImpl.java:224)
        at org.apache.jetspeed.aggregator.impl.PageAggregator Impl.aggregateAndRender(PageAggregatorImpl.java:14 6)
        at org.apache.jetspeed.aggregator.impl.PageAggregator Impl.build(PageAggregatorImpl.java:77)
        at org.apache.jetspeed.aggregator.AggregatorValve.inv oke(AggregatorValve.java:48)
        at org.apache.jetspeed.pipeline.JetspeedPipeline$Invo cation.invokeNext(JetspeedPipeline.java:166)
        at org.apache.jetspeed.aggregator.HeaderAggregatorVal ve.invoke(HeaderAggregatorValve.java:55)
        at org.apache.jetspeed.pipeline.JetspeedPipeline$Invo cation.invokeNext(JetspeedPipeline.java:166)
        at org.apache.jetspeed.decoration.DecorationValve.inv oke(DecorationValve.java:97)
        at org.apache.jetspeed.pipeline.JetspeedPipeline$Invo cation.invokeNext(JetspeedPipeline.java:166)
        at org.apache.jetspeed.pipeline.valve.impl.ActionValv eImpl.invoke(ActionValveImpl.java:182)
        at org.apache.jetspeed.pipeline.JetspeedPipeline$Invo cation.invokeNext(JetspeedPipeline.java:166)
        at org.apache.jetspeed.container.ContainerValve.invok e(ContainerValve.java:76)
        at org.apache.jetspeed.pipeline.JetspeedPipeline$Invo cation.invokeNext(JetspeedPipeline.java:166)
        at org.apache.jetspeed.profiler.impl.ProfilerValveImp l.invoke(ProfilerValveImpl.java:255)
        at org.apache.jetspeed.pipeline.JetspeedPipeline$Invo cation.invokeNext(JetspeedPipeline.java:166)
        at org.apache.jetspeed.security.impl.LoginValidationV alveImpl.invoke(LoginValidationValveImpl.java:159)
        at org.apache.jetspeed.pipeline.JetspeedPipeline$Invo cation.invokeNext(JetspeedPipeline.java:166)
        at org.apache.jetspeed.security.impl.PasswordCredenti alValveImpl.invoke(PasswordCredentialValveImpl.jav a:149)
        at org.apache.jetspeed.pipeline.JetspeedPipeline$Invo cation.invokeNext(JetspeedPipeline.java:166)
        at org.apache.jetspeed.localization.impl.Localization ValveImpl.invoke(LocalizationValveImpl.java:169)
        at org.apache.jetspeed.pipeline.JetspeedPipeline$Invo cation.invokeNext(JetspeedPipeline.java:166)
        at org.apache.jetspeed.security.impl.AbstractSecurity Valve$1.run(AbstractSecurityValve.java:118)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAsPrivileged(Subject .java:454)
        at org.apache.jetspeed.security.JSSubject.doAsPrivile ged(JSSubject.java:195)
        at org.apache.jetspeed.security.impl.AbstractSecurity Valve.invoke(AbstractSecurityValve.java:112)
        at org.apache.jetspeed.pipeline.JetspeedPipeline$Invo cation.invokeNext(JetspeedPipeline.java:166)
        at org.apache.jetspeed.container.url.impl.PortalURLVa lveImpl.invoke(PortalURLValveImpl.java:67)
        at org.apache.jetspeed.pipeline.JetspeedPipeline$Invo cation.invokeNext(JetspeedPipeline.java:166)
        at org.apache.jetspeed.capabilities.impl.CapabilityVa lveImpl.invoke(CapabilityValveImpl.java:128)
        at org.apache.jetspeed.pipeline.JetspeedPipeline$Invo cation.invokeNext(JetspeedPipeline.java:166)
        at org.apache.jetspeed.pipeline.JetspeedPipeline.invo ke(JetspeedPipeline.java:145)
        at org.apache.jetspeed.engine.JetspeedEngine.service( JetspeedEngine.java:214)
        at org.apache.jetspeed.engine.JetspeedServlet.doGet(J etspeedServlet.java:242)
        at javax.servlet.http.HttpServlet.service(HttpServlet .java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:802)
        at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:173)
        at org.apache.jetspeed.engine.servlet.XXSUrlAttackFil ter.doFilter(XXSUrlAttackFilter.java:51)
        at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:202)
        at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:178)
        at org.apache.catalina.authenticator.AuthenticatorBas e.invoke(AuthenticatorBase.java:432)
        at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.servic e(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11Processor.process(H ttp11Processor.java:869)
        at org.apache.coyote.http11.Http11BaseProtocol$Http11 ConnectionHandler.processConnection(Http11BaseProt ocol.java:664)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.process Socket(PoolTcpEndpoint.java:527)
        at org.apache.tomcat.util.net.LeaderFollowerWorkerThr ead.runIt(LeaderFollowerWorkerThread.java:80)
        at org.apache.tomcat.util.threads.ThreadPool$ControlR unnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.NullPointerException
        at org.apache.jetspeed.portlets.layout.LayoutPortlet. doView(LayoutPortlet.java:231)
        at org.apache.jetspeed.portlets.layout.MultiColumnPor tlet.doView(MultiColumnPortlet.java:169)
        at javax.portlet.GenericPortlet.doDispatch(GenericPor tlet.java:247)
        at javax.portlet.GenericPortlet.render(GenericPortlet .java:175)
        at org.apache.jetspeed.factory.JetspeedPortletInstanc e.render(JetspeedPortletInstance.java:102)
        at org.apache.jetspeed.container.invoker.LocalPortlet Invoker.invoke(LocalPortletInvoker.java:199)
        ... 58 more

please suggest

Thanks ,
suhas