I have got the samiliar exception in my app,i was use the jsf-impl of sun and did not specified the faces-config.xml in my web.xml: also can't find the other listener in my app,but i was use the noEjb and deployed a .war file,here is my stack trace:
| java.lang.NullPointerException | at org.jboss.seam.contexts.PageContext.getCurrentReadableMap(PageContext.java:62) | at org.jboss.seam.contexts.PageContext.get(PageContext.java:52) | at org.jboss.seam.contexts.Contexts.lookupInStatefulContexts(Contexts.java:125) | at org.jboss.seam.Component.getInstance(Component.java:1038) | at org.jboss.seam.jsf.SeamVariableResolver.resolveVariable(SeamVariableResolver.java:43) | at com.sun.faces.el.VariableResolverChainWrapper.getValue(VariableResolverChainWrapper.java:71) | at javax.el.CompositeELResolver.getValue(Unknown Source) | at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:58) | at com.sun.el.parser.AstIdentifier.getValue(AstIdentifier.java:65) | at com.sun.el.parser.AstValue.getValue(AstValue.java:106) | at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:192) | at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71) | at javax.faces.component.UIOutput.getValue(UIOutput.java:176) | at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:100) | at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:282) | at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:208) | at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:847) | at javax.faces.component.UIComponent.encodeAll(UIComponent.java:893) | at javax.faces.render.Renderer.encodeChildren(Renderer.java:137) | at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:827) | at javax.faces.component.UIComponent.encodeAll(UIComponent.java:883) | at javax.faces.component.UIComponent.encodeAll(UIComponent.java:889) | at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:455) | at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:108) | at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:266) | at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:159) | at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(ExtensionsFilter.java:122) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at com.subrain.web.servlet.filter.FacesContextHandler.doFilter(FacesContextHandler.java:102) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.jboss.seam.servlet.SeamExceptionFilter.doFilter(SeamExceptionFilter.java:44) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) | at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:54) | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:174) | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) | 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.invoke(StandardEngineValve.java:107) | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) | at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) | at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) | at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) | at java.lang.Thread.run(Thread.java:620) | I was eager to know why,and it is appropriate to use current version of seam with a noejb env? 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