b3log源码在哪里？

@88250 现在可以登后台了，但文章看不了。报这个错
FreeMarker template error:
The following has evaluated to null or missing:
==> article [in template "article.ftl" at line 6, column 25]

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):

==> ${article.articleTitle} [in template "article.ftl" at line 6, column 23]
@head title="${article.articleTitle}... [in template "article.ftl" at line 6, column 9]

@88250 没有 caused by 九月 27, 2015 2:30:42 下午 freemarker.log._JDK14LoggerFactory$JDK14Logger error
严重: Error executing FreeMarker template
FreeMarker template error:
The following has evaluated to null or missing:
==> article [in template "article.ftl" at line 6, column 25]

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):

==> $ [in template "article.ftl" at line 6, column 23]
@head title="$... [in template "article.ftl" at line 6, column 9]

Java stack trace (for programmers):

freemarker.core.InvalidReferenceException: [... Except

不好意思哟，我意思是 solo 博客的源码。现在我已经知道在哪里了，但是我照着 eclipse 热部署那教程做，出问题了。部署都没有问题，就是后台登录时 403，查看文章内容时 500。还有首页标题乱码。之前刚部署后台能进，之前重启 tomcat 就进不去了。不知道什么问题，求解决！想学着二次开发，但是部署上就花了好大力气。并且个人觉得，官方的文档不太给力哦！

@88250 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)