FreeMarker template error: For "." left-hand operand: Expected a hash, but this evaluated to a directive (wrapper: net.shopxx.template.directive.SeoDirective): ==> seo [in template "shop/article/content.ftl" at line 6, column 68] The failing instruction (FTL stack trace): ---------- ==> #elseif seo.title?? [in template "shop/article/content.ftl" at line 6, column 59] @seo type="articleContent" [in template "shop/article/content.ftl" at line 5, column 1] ---------- Java stack trace (for programmers): ---------- freemarker.core.UnexpectedTypeException: [... Exception message was already printed; see it above ...] at freemarker.core.Dot._eval(Dot.java:81) at freemarker.core.Expression.eval(Expression.java:111) at freemarker.core.ExistsExpression._eval(ExistsExpression.java:81) at freemarker.core.Expression.eval(Expression.java:111) at freemarker.core.Expression.evalToBoolean(Expression.java:143) at freemarker.core.IfBlock.accept(IfBlock.java:82) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.MixedContent.accept(MixedContent.java:93) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.Environment$1.render(Environment.java:313) at net.shopxx.template.directive.BaseDirective.setLocalVariable(BaseDirective.java:184) at net.shopxx.template.directive.SeoDirective.execute(SeoDirective.java:55) at freemarker.core.Environment.visit(Environment.java:341) at freemarker.core.UnifiedCall.accept(UnifiedCall.java:136) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.MixedContent.accept(MixedContent.java:93) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.Environment.process(Environment.java:243) at freemarker.template.Template.process(Template.java:277) at net.shopxx.service.impl.StaticServiceImpl.build(StaticServiceImpl.java:91) at net.shopxx.service.impl.StaticServiceImpl.build(StaticServiceImpl.java:121) at net.shopxx.service.impl.StaticServiceImpl.buildAll(StaticServiceImpl.java:253) at sun.reflect.GeneratedMethodAccessor1634.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150) at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:96) at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:260) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:94) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at $Proxy134.buildAll(Unknown Source) at net.shopxx.job.StaticJob.build(StaticJob.java:34) at sun.reflect.GeneratedMethodAccessor1633.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:64) at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:53) at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:81) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:206) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662)