The following has evaluated to null or missing:
==> nowMenuInfo  [in template "_Layout/program/MenuManageSatisfy.ftl" at line 2, column 6]

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Tip: If the failing expression is known to be legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)??
----

----
FTL stack trace ("~" means nesting-related):
	- Failed at: #if nowMenuInfo.is_pagesurvey?default...  [in template "_Layout/program/MenuManageSatisfy.ftl" at line 2, column 1]
	- Reached through: #include "/_Layout/program/MenuManage...  [in template "_Layout/layout/kor/subLayout.ftl" at line 96, column 49]
----

Java stack trace (for programmers):
----
freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...]
	at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:131)
	at freemarker.core.UnexpectedTypeException.newDesciptionBuilder(UnexpectedTypeException.java:77)
	at freemarker.core.UnexpectedTypeException.<init>(UnexpectedTypeException.java:40)
	at freemarker.core.NonHashException.<init>(NonHashException.java:46)
	at freemarker.core.Dot._eval(Dot.java:45)
	at freemarker.core.Expression.eval(Expression.java:78)
	at freemarker.core.ExistenceBuiltins$ExistenceBuiltIn.evalMaybeNonexistentTarget(ExistenceBuiltins.java:49)
	at freemarker.core.ExistenceBuiltins$defaultBI._eval(ExistenceBuiltins.java:59)
	at freemarker.core.Expression.eval(Expression.java:78)
	at freemarker.core.MethodCall._eval(MethodCall.java:55)
	at freemarker.core.Expression.eval(Expression.java:78)
	at freemarker.core.EvalUtil.compare(EvalUtil.java:110)
	at freemarker.core.ComparisonExpression.evalToBoolean(ComparisonExpression.java:64)
	at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:46)
	at freemarker.core.Environment.visit(Environment.java:324)
	at freemarker.core.Environment.include(Environment.java:2072)
	at freemarker.core.Include.accept(Include.java:167)
	at freemarker.core.Environment.visit(Environment.java:324)
	at freemarker.core.MixedContent.accept(MixedContent.java:54)
	at freemarker.core.Environment.visit(Environment.java:324)
	at freemarker.core.Environment.process(Environment.java:302)
	at freemarker.template.Template.process(Template.java:325)
	at freemarker.ext.servlet.FreemarkerServlet.process(FreemarkerServlet.java:725)
	at freemarker.ext.servlet.FreemarkerServlet.doGet(FreemarkerServlet.java:642)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:844)
	at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:242)
	at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:216)
	at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:132)
	at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:338)
	at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:221)
	at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:564)
	at weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:263)
	at org.apache.tiles.servlet.context.ServletTilesRequestContext.forward(ServletTilesRequestContext.java:241)
	at org.apache.tiles.servlet.context.ServletTilesRequestContext.dispatch(ServletTilesRequestContext.java:222)
	at org.apache.tiles.renderer.impl.TemplateAttributeRenderer.write(TemplateAttributeRenderer.java:44)
	at org.apache.tiles.renderer.impl.AbstractBaseAttributeRenderer.render(AbstractBaseAttributeRenderer.java:106)
	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:670)
	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:690)
	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:644)
	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:627)
	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:321)
	at org.springframework.web.servlet.view.tiles2.TilesView.renderMergedOutputModel(TilesView.java:124)
	at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:262)
	at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1180)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:844)
	at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:242)
	at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:216)
	at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:132)
	at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:338)
	at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:25)
	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:74)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:74)
	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3296)
	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3262)
	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
	at weblogic.servlet.provider.WlsSubjectHandle.run(WlsSubjectHandle.java:57)
	at weblogic.servlet.internal.WebAppServletContext.doSecuredExecute(WebAppServletContext.java:2171)
	at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2097)
	at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2075)
	at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1514)
	at weblogic.servlet.provider.ContainerSupportProviderImpl$WlsRequestExecutor.run(ContainerSupportProviderImpl.java:254)
	at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
	at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)