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java.lang.NullPointerException: 	at com.icesoft.util.SeamUtilities.getSpringFlowId(SeamUtilities.java:521)	at com.icesoft.faces.renderkit.dom_html_basic.FormRenderer.encodeBegin(FormRenderer.java:160)	at com.icesoft.faces.component.ext.renderkit.FormRenderer.encodeBegin(FormRenderer.java:53)	at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:813)	at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:514)	at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:522)	at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:522)	at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:522)	at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:522)	at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:522)	at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:522)	at com.icesoft.faces.facelets.D2DFaceletViewHandler.renderResponse(D2DFaceletViewHandler.java:282)	at com.icesoft.faces.application.D2DViewHandler.renderView(D2DViewHandler.java:153)	at org.springframework.faces.webflow.FlowViewHandler.renderView(FlowViewHandler.java:91)	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)	at com.icesoft.faces.webapp.http.core.JsfLifecycleExecutor.apply(JsfLifecycleExecutor.java:17)	at com.icesoft.faces.context.View$2$1.respond(View.java:47)	at com.icesoft.faces.webapp.http.servlet.ServletRequestResponse.respondWith(ServletRequestResponse.java:197)	at com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet$ThreadBlockingRequestResponse.respondWith(ThreadBlockingAdaptingServlet.java:36)	at com.icesoft.faces.context.View$2.serve(View.java:72)	at com.icesoft.faces.context.View.servePage(View.java:133)	at com.icesoft.faces.webapp.http.core.MultiViewServer.service(MultiViewServer.java:55)	at com.icesoft.faces.webapp.http.common.ServerProxy.service(ServerProxy.java:11)	at com.icesoft.faces.webapp.http.servlet.MainSessionBoundServlet$4.service(MainSessionBoundServlet.java:114)	at com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer.service(PathDispatcherServer.java:24)	at com.icesoft.faces.webapp.http.servlet.MainSessionBoundServlet.service(MainSessionBoundServlet.java:160)	at com.icesoft.faces.webapp.http.servlet.SessionDispatcher$1.service(SessionDispatcher.java:42)	at com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet.service(ThreadBlockingAdaptingServlet.java:19)	at com.icesoft.faces.webapp.http.servlet.EnvironmentAdaptingServlet.service(EnvironmentAdaptingServlet.java:63)	at com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:62)	at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:23)	at com.icesoft.faces.webapp.http.servlet.MainServlet.service(MainServlet.java:153)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)	at java.lang.Thread.run(Thread.java:595)