FreeMarker template error: The following has evaluated to null or missing: ==> arts[0] [in template "page.ftl" at line 3, column 37] Tip: If the failing expression is known to be legally null/missing, either specify a default value with myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing. (These only cover the last step of the expression; to cover the whole expression, use parenthessis: (myOptionVar.foo)!myDefault, (myOptionVar.foo)?? The failing instruction (FTL stack trace): ---------- ==> #assign art = articleTag("{\'aid\':" ... [in template "page.ftl" at line 3, column 1] ---------- Java stack trace (for programmers): ---------- freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...] at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:98) at freemarker.core.UnexpectedTypeException.newDesciptionBuilder(UnexpectedTypeException.java:41) at freemarker.core.UnexpectedTypeException.(UnexpectedTypeException.java:24) at freemarker.core.Dot._eval(Dot.java:81) at freemarker.core.Expression.eval(Expression.java:111) at freemarker.core.AddConcatExpression._eval(AddConcatExpression.java:92) at freemarker.core.Expression.eval(Expression.java:111) at freemarker.core.AddConcatExpression._eval(AddConcatExpression.java:91) at freemarker.core.Expression.eval(Expression.java:111) at freemarker.core.Expression.evalAndCoerceToString(Expression.java:115) at freemarker.core.ListLiteral.getValueList(ListLiteral.java:103) at freemarker.core.MethodCall._eval(MethodCall.java:94) at freemarker.core.Expression.eval(Expression.java:111) at freemarker.core.Assignment.accept(Assignment.java:106) 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 com.paidot.ocms.utils.FreemarkerUtils.exportHtml(FreemarkerUtils.java:99) at com.paidot.ocms.utils.FreemarkerUtils.exportListHtml(FreemarkerUtils.java:305) at com.paidot.ocms.utils.FreemarkerUtils.exportCategory(FreemarkerUtils.java:243) at com.paidot.ocms.controller.admin.StaticController$1.run(StaticController.java:203) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 天天摸天天操,男生女生在床上插插插的免费动漫,国产内射视频,内射少妇一区27p

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