HTTP Status 500 - Request processing failed; nested exception is freemarker.core.InvalidReferenceException: The following has evaluated to null or missing:


type Exception report

message Request processing failed; nested exception is freemarker.core.InvalidReferenceException: The following has evaluated to null or missing:

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is freemarker.core.InvalidReferenceException: The following has evaluated to null or missing:
==> attributeValueMap  [in template "shop/product/search.ftl" at line 529, column 151]

----
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 attributeValueMap?keys?seq_contai...  [in template "shop/product/search.ftl" at line 529, column 146]
----
	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:982)
	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
	org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
	org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
	org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
	org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
	org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
	org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
	org.springframework.mobile.device.site.SitePreferenceRequestFilter.doFilterInternal(SitePreferenceRequestFilter.java:56)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.mobile.device.DeviceResolverRequestFilter.doFilterInternal(DeviceResolverRequestFilter.java:60)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.web.filter.ShallowEtagHeaderFilter.doFilterInternal(ShallowEtagHeaderFilter.java:105)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

root cause

freemarker.core.InvalidReferenceException: The following has evaluated to null or missing:
==> attributeValueMap  [in template "shop/product/search.ftl" at line 529, column 151]

----
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 attributeValueMap?keys?seq_contai...  [in template "shop/product/search.ftl" at line 529, column 146]
----
	freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:134)
	freemarker.core.UnexpectedTypeException.newDesciptionBuilder(UnexpectedTypeException.java:80)
	freemarker.core.UnexpectedTypeException.<init>(UnexpectedTypeException.java:43)
	freemarker.core.NonExtendedHashException.<init>(NonExtendedHashException.java:47)
	freemarker.core.BuiltInForHashEx._eval(BuiltInForHashEx.java:35)
	freemarker.core.Expression.eval(Expression.java:81)
	freemarker.core.BuiltInsForSequences$seq_containsBI._eval(BuiltInsForSequences.java:340)
	freemarker.core.Expression.eval(Expression.java:81)
	freemarker.core.MethodCall._eval(MethodCall.java:58)
	freemarker.core.Expression.eval(Expression.java:81)
	freemarker.core.Expression.evalToBoolean(Expression.java:145)
	freemarker.core.Expression.evalToBoolean(Expression.java:131)
	freemarker.core.IfBlock.accept(IfBlock.java:49)
	freemarker.core.Environment.visit(Environment.java:326)
	freemarker.core.Environment.visit(Environment.java:368)
	freemarker.core.IteratorBlock$IterationContext.executedNestedContentForCollOrSeqListing(IteratorBlock.java:291)
	freemarker.core.IteratorBlock$IterationContext.executeNestedContent(IteratorBlock.java:271)
	freemarker.core.IteratorBlock$IterationContext.accept(IteratorBlock.java:242)
	freemarker.core.Environment.visitIteratorBlock(Environment.java:595)
	freemarker.core.IteratorBlock.acceptWithResult(IteratorBlock.java:107)
	freemarker.core.IteratorBlock.accept(IteratorBlock.java:93)
	freemarker.core.Environment.visit(Environment.java:326)
	freemarker.core.Environment.visit(Environment.java:332)
	freemarker.core.Environment.visit(Environment.java:332)
	freemarker.core.Environment.process(Environment.java:305)
	freemarker.template.Template.process(Template.java:378)
	org.springframework.web.servlet.view.freemarker.FreeMarkerView.processTemplate(FreeMarkerView.java:367)
	org.springframework.web.servlet.view.freemarker.FreeMarkerView.doRender(FreeMarkerView.java:284)
	org.springframework.web.servlet.view.freemarker.FreeMarkerView.renderMergedTemplateModel(FreeMarkerView.java:234)
	org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:167)
	org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
	org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1271)
	org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1037)
	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:980)
	org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)
	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
	org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
	org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
	org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
	org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
	org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
	org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
	org.springframework.mobile.device.site.SitePreferenceRequestFilter.doFilterInternal(SitePreferenceRequestFilter.java:56)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.mobile.device.DeviceResolverRequestFilter.doFilterInternal(DeviceResolverRequestFilter.java:60)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.web.filter.ShallowEtagHeaderFilter.doFilterInternal(ShallowEtagHeaderFilter.java:105)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.82 logs.


Apache Tomcat/7.0.82