模板编译错误:The following has evaluated to null or missing: ==> tag_bean [in template "channel/shjz.channel.template.html" at line 46, column 36] ---- Tip: If the failing expression is known to be legally refer to something that's 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: ${tag_bean.url} [in template "channel/shjz.channel.template.html" at line 46, column 34] - Reached through: @cms_channel id="961" [in template "channel/shjz.channel.template.html" at line 45, column 17] ----