大神帮忙看看留言板是什么问题 - JEECMS官方论坛|开源java cms,jsp cms,jsp bbs

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1# 发表于:2016-01-28 15:04:07 IP:116.233.*.*

SEVERE: Servlet.service() for servlet [JeeCmsFront] in context with path [/javaweb] threw exception [Request processing failed; nested exception is freemarker.core.InvalidReferenceException: The following has evaluated to null or missing:
==> tag_bean  [in template "WEB-INF/t/cms/www/default/include/right4.html" at line 44, column 50]

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[/#if]. (These only cover the last step of the expression; to cover the whole expression, use parenthessis: (myOptionVar.foo)!myDefault, (myOptionVar.foo)??

The failing instruction (print stack trace for 2 more):
==> ${tag_bean.url}  [in template "WEB-INF/t/cms/www/default/include/right4.html" at line 44, column 48]] with root cause
FreeMarker template error:
The following has evaluated to null or missing:
==> tag_bean  [in template "WEB-INF/t/cms/www/default/include/right4.html" at line 44, column 50]

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[/#if]. (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):
----------
==> ${tag_bean.url}  [in template "WEB-INF/t/cms/www/default/include/right4.html" at line 44, column 48]
    @cms_channel id="14"  [in template "WEB-INF/t/cms/www/default/include/right4.html" at line 44, column 17]
    #include "../include/right4.html"  [in template "WEB-INF/t/cms/www/default/special/guestbook_index.html" at line 152, column 5]
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报这个错. 没有头绪