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JSF portlet : disappearance problem

by  ITHR »  2016/01/21 15:33

Hello,
I have a problem with a JSF portlet I integrated in my site. when I click on F5 ( refresh ) or sometimes when I navigate between pages of my site , the portlet disappears . at the log I have the following exception:

2016-01-06 10:54:01,192: ERROR [http-nio-8085-exec-4] org.apache.pluto.driver.container.DefaultPortletInvokerService: Unable to successfully invoke portlet.  Error during processing.
2016-01-06 10:54:01,192: ERROR [http-nio-8085-exec-4] org.jahia.services.applications.pluto.PlutoDispatchingProvider: Error while rendering portlet
javax.portlet.PortletException: doBridgeDispatch failed:  error from Bridge in executing the request
    at javax.portlet.faces.GenericFacesPortlet.doBridgeDispatch(GenericFacesPortlet.java:675)
    at javax.portlet.faces.GenericFacesPortlet.doRenderDispatchInternal(GenericFacesPortlet.java:638)
    at javax.portlet.faces.GenericFacesPortlet.doView(GenericFacesPortlet.java:274)
    at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:348)
    at javax.portlet.faces.GenericFacesPortlet.doDispatch(GenericFacesPortlet.java:245)
    at javax.portlet.GenericPortlet.render(GenericPortlet.java:253)
    at org.apache.pluto.driver.services.container.FilterChainImpl.doFilter(FilterChainImpl.java:163)
    at org.apache.pluto.driver.services.container.FilterChainImpl.processFilter(FilterChainImpl.java:91)
    at org.apache.pluto.driver.services.container.FilterManagerImpl.processFilter(FilterManagerImpl.java:105)
    at org.apache.pluto.container.driver.PortletServlet.dispatch(PortletServlet.java:340)
    at org.apache.pluto.container.driver.PortletServlet.doGet(PortletServlet.java:261)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:721)
    at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:584)
    at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:523)
    at org.apache.pluto.driver.container.DefaultPortletInvokerService.invoke(DefaultPortletInvokerService.java:233)
    at org.apache.pluto.driver.container.DefaultPortletInvokerService.render(DefaultPortletInvokerService.java:117)
    at org.apache.pluto.container.impl.PortletContainerImpl.doRender(PortletContainerImpl.java:157)
    at org.jahia.services.applications.pluto.PlutoDispatchingProvider.render(PlutoDispatchingProvider.java:189)
    at org.jahia.services.applications.DispatchingServiceImpl.getAppOutput(DispatchingServiceImpl.java:184)
    at org.jahia.taglibs.uicomponents.portlets.PortletRenderTag.drawPortlet(PortletRenderTag.java:172)
    at org.jahia.taglibs.uicomponents.portlets.PortletRenderTag.doStartTag(PortletRenderTag.java:121)
    at org.apache.jsp.jnt_005fportletReference.html.portletReference_jsp._jspx_meth_ui_portletRender_0(org.apache.jsp.jnt_005fportletReference.html.portletReference_jsp:179)
    at org.apache.jsp.jnt_005fportletReference.html.portletReference_jsp._jspx_meth_c_if_0(org.apache.jsp.jnt_005fportletReference.html.portletReference_jsp:137)
    at org.apache.jsp.jnt_005fportletReference.html.portletReference_jsp._jspService(org.apache.jsp.jnt_005fportletReference.html.portletReference_jsp:70)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:109)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:384)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:486)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:380)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.jahia.bundles.extender.jahiamodules.JspServletWrapper$3.call(JspServletWrapper.java:171)
    at org.jahia.bundles.extender.jahiamodules.JspServletWrapper$3.call(JspServletWrapper.java:168)
    at org.ops4j.pax.swissbox.core.ContextClassLoaderUtils.doWithClassLoader(ContextClassLoaderUtils.java:60)
    at org.jahia.bundles.extender.jahiamodules.JspServletWrapper.service(JspServletWrapper.java:167)
    at org.apache.felix.http.base.internal.handler.ServletHandler.handleInclude(ServletHandler.java:221)
    at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:176)
    at org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:97)
    at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:49)
    at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
    at org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterPipeline.java:48)
    at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:39)
    at org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServlet.java:67)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.felix.http.proxy.ProxyServlet.service(ProxyServlet.java:60)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:721)
    at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:584)
    at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:523)
    at org.jahia.services.render.scripting.RequestDispatcherScript.execute(RequestDispatcherScript.java:154)
    at org.jahia.services.render.filter.TemplateScriptFilter.prepare(TemplateScriptFilter.java:153)
    at org.jahia.services.render.filter.RenderChain.doFilter(RenderChain.java:183)
    at org.jahia.services.render.RenderService.render(RenderService.java:219)
    at org.jahia.taglibs.template.include.ModuleTag.render(ModuleTag.java:659)
    at org.jahia.taglibs.template.include.ModuleTag.doEndTag(ModuleTag.java:354)
    at org.apache.jsp.jmix_005flist.html.list_jsp._jspx_meth_template_module_0(org.apache.jsp.jmix_005flist.html.list_jsp:434)
    at org.apache.jsp.jmix_005flist.html.list_jsp._jspx_meth_c_forEach_0(org.apache.jsp.jmix_005flist.html.list_jsp:399)
    at org.apache.jsp.jmix_005flist.html.list_jsp._jspx_meth_c_otherwise_0(org.apache.jsp.jmix_005flist.html.list_jsp:359)
    at org.apache.jsp.jmix_005flist.html.list_jsp._jspx_meth_c_choose_0(org.apache.jsp.jmix_005flist.html.list_jsp:176)
    at org.apache.jsp.jmix_005flist.html.list_jsp._jspService(org.apache.jsp.jmix_005flist.html.list_jsp:93)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:109)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:384)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:486)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:380)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.jahia.bundles.extender.jahiamodules.JspServletWrapper$3.call(JspServletWrapper.java:171)
    at org.jahia.bundles.extender.jahiamodules.JspServletWrapper$3.call(JspServletWrapper.java:168)
    at org.ops4j.pax.swissbox.core.ContextClassLoaderUtils.doWithClassLoader(ContextClassLoaderUtils.java:60)
    at org.jahia.bundles.extender.jahiamodules.JspServletWrapper.service(JspServletWrapper.java:167)
    at org.apache.felix.http.base.internal.handler.ServletHandler.handleInclude(ServletHandler.java:221)
    at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:176)
    at org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:97)
    at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:49)
    at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
    at org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterPipeline.java:48)
    at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:39)
    at org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServlet.java:67)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.felix.http.proxy.ProxyServlet.service(ProxyServlet.java:60)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:721)
    at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:584)
    at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:523)
    at org.jahia.services.render.scripting.RequestDispatcherScript.execute(RequestDispatcherScript.java:154)
    at org.jahia.services.render.filter.TemplateScriptFilter.prepare(TemplateScriptFilter.java:153)
    at org.jahia.services.render.filter.RenderChain.doFilter(RenderChain.java:183)
    at org.jahia.services.render.RenderService.render(RenderService.java:219)
    at org.jahia.taglibs.template.include.ModuleTag.render(ModuleTag.java:659)
    at org.jahia.taglibs.template.include.AreaTag.render(AreaTag.java:433)
    at org.jahia.taglibs.template.include.ModuleTag.doEndTag(ModuleTag.java:354)
    at org.jahia.taglibs.template.include.AreaTag.doEndTag(AreaTag.java:415)
    at org.apache.jsp.jnt_005fbootstrapFullComponent.html.bootstrapFullComponent_jsp._jspx_meth_template_area_24(org.apache.jsp.jnt_005fbootstrapFullComponent.html.bootstrapFullComponent_jsp:1532)
    at org.apache.jsp.jnt_005fbootstrapFullComponent.html.bootstrapFullComponent_jsp._jspx_meth_c_when_11(org.apache.jsp.jnt_005fbootstrapFullComponent.html.bootstrapFullComponent_jsp:1504)
    at org.apache.jsp.jnt_005fbootstrapFullComponent.html.bootstrapFullComponent_jsp._jspx_meth_c_choose_1(org.apache.jsp.jnt_005fbootstrapFullComponent.html.bootstrapFullComponent_jsp:649)
    at org.apache.jsp.jnt_005fbootstrapFullComponent.html.bootstrapFullComponent_jsp._jspx_meth_c_when_0(org.apache.jsp.jnt_005fbootstrapFullComponent.html.bootstrapFullComponent_jsp:584)
    at org.apache.jsp.jnt_005fbootstrapFullComponent.html.bootstrapFullComponent_jsp._jspx_meth_c_choose_0(org.apache.jsp.jnt_005fbootstrapFullComponent.html.bootstrapFullComponent_jsp:553)
    at org.apache.jsp.jnt_005fbootstrapFullComponent.html.bootstrapFullComponent_jsp._jspService(org.apache.jsp.jnt_005fbootstrapFullComponent.html.bootstrapFullComponent_jsp:143)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:109)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:384)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:486)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:380)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.jahia.bundles.extender.jahiamodules.JspServletWrapper$3.call(JspServletWrapper.java:171)
    at org.jahia.bundles.extender.jahiamodules.JspServletWrapper$3.call(JspServletWrapper.java:168)
    at org.ops4j.pax.swissbox.core.ContextClassLoaderUtils.doWithClassLoader(ContextClassLoaderUtils.java:60)
    at org.jahia.bundles.extender.jahiamodules.JspServletWrapper.service(JspServletWrapper.java:167)
    at org.apache.felix.http.base.internal.handler.ServletHandler.handleInclude(ServletHandler.java:221)
    at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:176)
    at org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:97)
    at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:49)
    at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
    at org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterPipeline.java:48)
    at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:39)
    at org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServlet.java:67)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.felix.http.proxy.ProxyServlet.service(ProxyServlet.java:60)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:721)
    at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:584)
    at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:523)
    at org.jahia.services.render.scripting.RequestDispatcherScript.execute(RequestDispatcherScript.java:154)
    at org.jahia.services.render.filter.TemplateScriptFilter.prepare(TemplateScriptFilter.java:153)
    at org.jahia.services.render.filter.RenderChain.doFilter(RenderChain.java:183)
    at org.jahia.services.render.RenderService.render(RenderService.java:219)
    at org.jahia.taglibs.template.include.ModuleTag.render(ModuleTag.java:659)
    at org.jahia.taglibs.template.include.ModuleTag.doEndTag(ModuleTag.java:354)
    at org.apache.jsp.jmix_005flist.html.list_jsp._jspx_meth_template_module_0(org.apache.jsp.jmix_005flist.html.list_jsp:434)
    at org.apache.jsp.jmix_005flist.html.list_jsp._jspx_meth_c_forEach_0(org.apache.jsp.jmix_005flist.html.list_jsp:399)
    at org.apache.jsp.jmix_005flist.html.list_jsp._jspx_meth_c_otherwise_0(org.apache.jsp.jmix_005flist.html.list_jsp:359)
    at org.apache.jsp.jmix_005flist.html.list_jsp._jspx_meth_c_choose_0(org.apache.jsp.jmix_005flist.html.list_jsp:176)
    at org.apache.jsp.jmix_005flist.html.list_jsp._jspService(org.apache.jsp.jmix_005flist.html.list_jsp:93)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:109)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:384)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:486)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:380)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.jahia.bundles.extender.jahiamodules.JspServletWrapper$3.call(JspServletWrapper.java:171)
    at org.jahia.bundles.extender.jahiamodules.JspServletWrapper$3.call(JspServletWrapper.java:168)
    at org.ops4j.pax.swissbox.core.ContextClassLoaderUtils.doWithClassLoader(ContextClassLoaderUtils.java:60)
    at org.jahia.bundles.extender.jahiamodules.JspServletWrapper.service(JspServletWrapper.java:167)
    at org.apache.felix.http.base.internal.handler.ServletHandler.handleInclude(ServletHandler.java:221)
    at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:176)
    at org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:97)
    at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:49)
    at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
    at org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterPipeline.java:48)
    at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:39)
    at org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServlet.java:67)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.felix.http.proxy.ProxyServlet.service(ProxyServlet.java:60)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:721)
    at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:584)
    at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:523)
    at org.jahia.services.render.scripting.RequestDispatcherScript.execute(RequestDispatcherScript.java:154)
    at org.jahia.services.render.filter.TemplateScriptFilter.prepare(TemplateScriptFilter.java:153)
    at org.jahia.services.render.filter.RenderChain.doFilter(RenderChain.java:183)
    at org.jahia.services.render.RenderService.render(RenderService.java:219)
    at org.jahia.taglibs.template.include.ModuleTag.render(ModuleTag.java:659)
    at org.jahia.taglibs.template.include.AreaTag.render(AreaTag.java:433)
    at org.jahia.taglibs.template.include.ModuleTag.doEndTag(ModuleTag.java:354)
    at org.jahia.taglibs.template.include.AreaTag.doEndTag(AreaTag.java:415)
    at org.apache.jsp.jnt_005ftemplate.html.template_bootstrap_jsp._jspx_meth_template_area_5(org.apache.jsp.jnt_005ftemplate.html.template_bootstrap_jsp:937)
    at org.apache.jsp.jnt_005ftemplate.html.template_bootstrap_jsp._jspService(org.apache.jsp.jnt_005ftemplate.html.template_bootstrap_jsp:378)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:109)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:384)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:486)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:380)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.jahia.bundles.extender.jahiamodules.JspServletWrapper$3.call(JspServletWrapper.java:171)
    at org.jahia.bundles.extender.jahiamodules.JspServletWrapper$3.call(JspServletWrapper.java:168)
    at org.ops4j.pax.swissbox.core.ContextClassLoaderUtils.doWithClassLoader(ContextClassLoaderUtils.java:60)
    at org.jahia.bundles.extender.jahiamodules.JspServletWrapper.service(JspServletWrapper.java:167)
    at org.apache.felix.http.base.internal.handler.ServletHandler.handleInclude(ServletHandler.java:221)
    at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:176)
    at org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:97)
    at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:49)
    at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
    at org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterPipeline.java:48)
    at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:39)
    at org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServlet.java:67)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.felix.http.proxy.ProxyServlet.service(ProxyServlet.java:60)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:721)
    at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:584)
    at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:523)
    at org.jahia.services.render.scripting.RequestDispatcherScript.execute(RequestDispatcherScript.java:154)
    at org.jahia.services.render.filter.TemplateScriptFilter.prepare(TemplateScriptFilter.java:153)
    at org.jahia.services.render.filter.RenderChain.doFilter(RenderChain.java:183)
    at org.jahia.services.render.RenderService.render(RenderService.java:219)
    at org.jahia.services.render.filter.TemplateNodeFilter.prepare(TemplateNodeFilter.java:142)
    at org.jahia.services.render.filter.RenderChain.doFilter(RenderChain.java:183)
    at org.jahia.services.render.RenderService.render(RenderService.java:219)
    at org.jahia.bin.Render.doGet(Render.java:282)
    at org.jahia.bin.Render.handleRequest(Render.java:866)
    at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:919)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:851)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:953)
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:844)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:829)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
    at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
    at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
    at org.jahia.services.seo.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:153)
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.jahia.bin.filters.CompositeFilter.doFilter(CompositeFilter.java:129)
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.jahia.bin.filters.jcr.JcrSessionFilter.doFilter(JcrSessionFilter.java:161)
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.jahia.bin.filters.PassThroughFilter.doFilter(PassThroughFilter.java:99)
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:359)
    at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:275)
    at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
    at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
    at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:344)
    at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:272)
    at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:81)
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.jahia.bin.filters.PassThroughFilter.doFilter(PassThroughFilter.java:99)
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.jahia.bin.filters.MaintenanceFilter.doFilter(MaintenanceFilter.java:123)
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:617)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:668)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1521)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1478)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:745)
Caused by: javax.portlet.faces.BridgeException: javax.faces.FacesException: java.lang.NullPointerException
    at org.apache.myfaces.portlet.faces.bridge.BridgeImpl.doFacesRender(BridgeImpl.java:1048)
    at org.apache.myfaces.portlet.faces.bridge.BridgeImpl.doFacesRequest(BridgeImpl.java:948)
    at javax.portlet.faces.GenericFacesPortlet.doBridgeDispatch(GenericFacesPortlet.java:672)
    ... 288 more
Caused by: javax.faces.FacesException: java.lang.NullPointerException
    at org.apache.myfaces.shared_portlet.context.ExceptionHandlerImpl.wrap(ExceptionHandlerImpl.java:241)
    at org.apache.myfaces.shared_portlet.context.ExceptionHandlerImpl.handle(ExceptionHandlerImpl.java:156)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:119)
    at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:110)
    at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
    at org.apache.myfaces.portlet.faces.bridge.BridgeImpl.doFacesRender(BridgeImpl.java:1041)
    ... 290 more
Caused by: java.lang.NullPointerException
    at org.apache.myfaces.portlet.faces.util.map.PortletSessionMap.getAttribute(PortletSessionMap.java:72)
    at org.apache.myfaces.portlet.faces.util.map.PortletAbstractMap.get(PortletAbstractMap.java:88)
    at org.apache.myfaces.shared_portlet.context.flash.SubKeyMap.get(SubKeyMap.java:76)
    at org.apache.myfaces.shared_portlet.context.flash.FlashImpl._restoreMessages(FlashImpl.java:674)
    at org.apache.myfaces.shared_portlet.context.flash.FlashImpl.doPrePhaseActions(FlashImpl.java:213)
    at com.sun.faces.lifecycle.Phase.handleBeforePhase(Phase.java:215)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:99)
    ... 293 more

I do not know if this is due to the non- version compatibility, so I'm working with jahia 7 , and 
jars used in my portlet (java): javax.faces-2.0.11.jar, portlet-bridge-api-3.0.0-alpha.jar, portlet-bridge-impl-3.0.0-alpha.jar, portlet-api-2.0.jar (excluded from war after build).

Please, help me.

 

ITHR
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