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java.lang.NullPointerException: 	at com.icesoft.faces.webapp.http.servlet.SessionDispatcher$1.service(SessionDispatcher.java:30)	at com.icesoft.faces.webapp.http.servlet.GlassFishAdaptingServlet.service(GlassFishAdaptingServlet.java:60)	at com.icesoft.faces.webapp.http.servlet.EnvironmentAdaptingServlet.service(EnvironmentAdaptingServlet.java:63)	at com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:50)	at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:23)	at com.icesoft.faces.webapp.http.servlet.MainServlet.service(MainServlet.java:155)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)	at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:427)	at org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:875)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:723)	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:558)	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:490)	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:382)	at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:236)	at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:257)	at org.springframework.webflow.mvc.servlet.ServletMvcView.doRender(ServletMvcView.java:50)	at org.springframework.webflow.mvc.view.AbstractMvcView.render(AbstractMvcView.java:177)	at org.springframework.webflow.engine.ViewState.render(ViewState.java:253)	at org.springframework.webflow.engine.ViewState.resume(ViewState.java:208)	at org.springframework.webflow.engine.Flow.resume(Flow.java:545)	at org.springframework.webflow.engine.impl.FlowExecutionImpl.resume(FlowExecutionImpl.java:259)	at org.springframework.webflow.executor.FlowExecutorImpl.resumeExecution(FlowExecutorImpl.java:163)	at org.springframework.webflow.mvc.servlet.FlowHandlerAdapter.handle(FlowHandlerAdapter.java:183)	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:875)	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:807)	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571)	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:501)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:734)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)	at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:427)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:315)	at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:287)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:218)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)	at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94)	at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:98)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:222)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1096)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:166)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1096)	at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:288)	at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:647)	at com.sun.enterprise.web.connector.grizzly.comet.CometEngine.executeServlet(CometEngine.java:609)	at com.sun.enterprise.web.connector.grizzly.comet.CometEngine.handle(CometEngine.java:356)	at com.sun.enterprise.web.connector.grizzly.comet.CometAsyncFilter.doFilter(CometAsyncFilter.java:84)	at com.sun.enterprise.web.connector.grizzly.async.DefaultAsyncExecutor.invokeFilters(DefaultAsyncExecutor.java:175)	at com.sun.enterprise.web.connector.grizzly.async.DefaultAsyncExecutor.interrupt(DefaultAsyncExecutor.java:153)	at com.sun.enterprise.web.connector.grizzly.async.AsyncProcessorTask.doTask(AsyncProcessorTask.java:92)	at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265)	at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106)