FreeMarker template error (DEBUG mode; use RETHROW in production!): The following has evaluated to null or missing: ==> hot.originId [in template "detail.ftl" at line 206, column 74] ---- Tip: It's the step after the last dot that caused this error, not those before it. ---- Tip: If the failing expression is known to 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. (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 hot.type?? && hot.type == 5 && ho... [in template "detail.ftl" at line 206, column 37] ---- Java stack trace (for programmers): ---- freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...] at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:134) at freemarker.core.EvalUtil.compare(EvalUtil.java:198) at freemarker.core.EvalUtil.compare(EvalUtil.java:115) at freemarker.core.ComparisonExpression.evalToBoolean(ComparisonExpression.java:62) at freemarker.core.AndExpression.evalToBoolean(AndExpression.java:36) at freemarker.core.IfBlock.accept(IfBlock.java:49) at freemarker.core.Environment.visit(Environment.java:330) at freemarker.core.Environment.visit(Environment.java:336) at freemarker.core.Environment.visit(Environment.java:372) at freemarker.core.IteratorBlock$IterationContext.executedNestedContentForCollOrSeqListing(IteratorBlock.java:317) at freemarker.core.IteratorBlock$IterationContext.executeNestedContent(IteratorBlock.java:271) at freemarker.core.IteratorBlock$IterationContext.accept(IteratorBlock.java:242) at freemarker.core.Environment.visitIteratorBlock(Environment.java:642) at freemarker.core.IteratorBlock.acceptWithResult(IteratorBlock.java:107) at freemarker.core.IteratorBlock.accept(IteratorBlock.java:93) at freemarker.core.Environment.visit(Environment.java:330) at freemarker.core.Environment.visit(Environment.java:336) at freemarker.core.Environment.process(Environment.java:309) at freemarker.template.Template.process(Template.java:384) at comg.yz.yewang.web.rest.util.CreateHtmlUtil.writeHtml(CreateHtmlUtil.java:84) at comg.yz.yewang.service.impl.IndexServiceImpl.getContentDetail(IndexServiceImpl.java:188) at comg.yz.yewang.web.rest.util.CreateHtmlUtil$1.run(CreateHtmlUtil.java:110) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)