Comportamento Inesperado!

Exceção

javax.servlet.ServletException: /ava/topico_aula.jsp(53,2) '#{aula.topicoPai == null && fn:length(turmaVirtual.turma.docentesTurmas) > 1 && aula.docentes != null && turmaVirtual.config.mostrarFotoTopico}' Problems calling function 'fn:length' at javax.faces.webapp.FacesServlet.service(FacesServlet.java:277) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:206) at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290) at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:388) at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:515) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.ocpsoft.pretty.PrettyFilter.doFilter(PrettyFilter.java:74) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at br.ufrn.arq.web.ViewFilter.doFilter(ViewFilter.java:306) at br.ufrn.arq.web.SigaaViewFilter.doFilter(SigaaViewFilter.java:64) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:147) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at br.ufrn.arq.log.legacy.core.GeradorHashIdentificacaoLogFilter.doFilter(GeradorHashIdentificacaoLogFilter.java:50) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at br.ufrn.arq.seguranca.filtros.AntiSQLFilter.doFilter(AntiSQLFilter.java:114) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92) at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126) at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.valves.CrawlerSessionManagerValve.invoke(CrawlerSessionManagerValve.java:151) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.jasper.el.JspELException: /ava/topico_aula.jsp(53,2) '#{aula.topicoPai == null && fn:length(turmaVirtual.turma.docentesTurmas) > 1 && aula.docentes != null && turmaVirtual.config.mostrarFotoTopico}' Problems calling function 'fn:length' at org.apache.jasper.el.JspValueExpression.getValue(JspValueExpression.java:107) at javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:390) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:271) at org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:258) at org.ajax4jsf.renderkit.html.AjaxOutputPanelRenderer.encodeChildren(AjaxOutputPanelRenderer.java:78) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:277) at org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:258) at org.ajax4jsf.renderkit.html.AjaxOutputPanelRenderer.encodeChildren(AjaxOutputPanelRenderer.java:78) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:277) at org.ajax4jsf.renderkit.html.RepeatRenderer$1.process(RepeatRenderer.java:53) at org.ajax4jsf.model.SequenceDataModel.walk(SequenceDataModel.java:101) at org.ajax4jsf.component.UIDataAdaptorBase.walk(UIDataAdaptorBase.java:1156) at org.ajax4jsf.renderkit.html.RepeatRenderer.encodeChildren(RepeatRenderer.java:59) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:277) at org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:258) at org.ajax4jsf.renderkit.html.AjaxOutputPanelRenderer.encodeChildren(AjaxOutputPanelRenderer.java:78) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:930) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:933) at javax.faces.render.Renderer.encodeChildren(Renderer.java:148) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:930) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:933) at com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHandlerImpl.java:266) at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:197) at com.ocpsoft.pretty.application.PrettyViewHandler.renderView(PrettyViewHandler.java:83) at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:100) at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:176) 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 javax.faces.webapp.FacesServlet.service(FacesServlet.java:266) ... 43 more Caused by: org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: br.ufrn.sigaa.ensino.dominio.Turma.docentesTurmas, no session or session was closed at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:358) at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfNotConnected(AbstractPersistentCollection.java:350) at org.hibernate.collection.AbstractPersistentCollection.readSize(AbstractPersistentCollection.java:97) at org.hibernate.collection.PersistentSet.size(PersistentSet.java:139) at org.apache.taglibs.standard.functions.Functions.length(Functions.java:202) at sun.reflect.GeneratedMethodAccessor1162.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.el.parser.AstFunction.getValue(AstFunction.java:110) at org.apache.el.parser.AstGreaterThan.getValue(AstGreaterThan.java:37) at org.apache.el.parser.AstAnd.getValue(AstAnd.java:42) at org.apache.el.parser.AstAnd.getValue(AstAnd.java:37) at org.apache.el.parser.AstAnd.getValue(AstAnd.java:37) at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186) at org.apache.jasper.el.JspValueExpression.getValue(JspValueExpression.java:101) ... 77 more

Causa

org.apache.jasper.el.JspELException: /ava/topico_aula.jsp(53,2) '#{aula.topicoPai == null && fn:length(turmaVirtual.turma.docentesTurmas) > 1 && aula.docentes != null && turmaVirtual.config.mostrarFotoTopico}' Problems calling function 'fn:length' at org.apache.jasper.el.JspValueExpression.getValue(JspValueExpression.java:107) at javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:390) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:271) at org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:258) at org.ajax4jsf.renderkit.html.AjaxOutputPanelRenderer.encodeChildren(AjaxOutputPanelRenderer.java:78) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:277) at org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:258) at org.ajax4jsf.renderkit.html.AjaxOutputPanelRenderer.encodeChildren(AjaxOutputPanelRenderer.java:78) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:277) at org.ajax4jsf.renderkit.html.RepeatRenderer$1.process(RepeatRenderer.java:53) at org.ajax4jsf.model.SequenceDataModel.walk(SequenceDataModel.java:101) at org.ajax4jsf.component.UIDataAdaptorBase.walk(UIDataAdaptorBase.java:1156) at org.ajax4jsf.renderkit.html.RepeatRenderer.encodeChildren(RepeatRenderer.java:59) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:277) at org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:258) at org.ajax4jsf.renderkit.html.AjaxOutputPanelRenderer.encodeChildren(AjaxOutputPanelRenderer.java:78) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:930) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:933) at javax.faces.render.Renderer.encodeChildren(Renderer.java:148) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:930) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:933) at com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHandlerImpl.java:266) at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:197) at com.ocpsoft.pretty.application.PrettyViewHandler.renderView(PrettyViewHandler.java:83) at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:100) at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:176) 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 javax.faces.webapp.FacesServlet.service(FacesServlet.java:266) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:206) at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290) at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:388) at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:515) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.ocpsoft.pretty.PrettyFilter.doFilter(PrettyFilter.java:74) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at br.ufrn.arq.web.ViewFilter.doFilter(ViewFilter.java:306) at br.ufrn.arq.web.SigaaViewFilter.doFilter(SigaaViewFilter.java:64) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:147) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at br.ufrn.arq.log.legacy.core.GeradorHashIdentificacaoLogFilter.doFilter(GeradorHashIdentificacaoLogFilter.java:50) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at br.ufrn.arq.seguranca.filtros.AntiSQLFilter.doFilter(AntiSQLFilter.java:114) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92) at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126) at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.valves.CrawlerSessionManagerValve.invoke(CrawlerSessionManagerValve.java:151) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:745) Caused by: org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: br.ufrn.sigaa.ensino.dominio.Turma.docentesTurmas, no session or session was closed at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:358) at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfNotConnected(AbstractPersistentCollection.java:350) at org.hibernate.collection.AbstractPersistentCollection.readSize(AbstractPersistentCollection.java:97) at org.hibernate.collection.PersistentSet.size(PersistentSet.java:139) at org.apache.taglibs.standard.functions.Functions.length(Functions.java:202) at sun.reflect.GeneratedMethodAccessor1162.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.el.parser.AstFunction.getValue(AstFunction.java:110) at org.apache.el.parser.AstGreaterThan.getValue(AstGreaterThan.java:37) at org.apache.el.parser.AstAnd.getValue(AstAnd.java:42) at org.apache.el.parser.AstAnd.getValue(AstAnd.java:37) at org.apache.el.parser.AstAnd.getValue(AstAnd.java:37) at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186) at org.apache.jasper.el.JspValueExpression.getValue(JspValueExpression.java:101) ... 77 more