本文介绍了在使用JSTL标签库时遇到版本不匹配导致的异常问题及其解决方案。当web.xml版本与JSTL版本不一致时，可能导致属性无法接受表达式的问题。文章提供了不同web.xml版本下所对应的JSTL版本，并指出了不同版本JSTL的taglib-uri差异。
Issue:
When you apply jstl:c tag or other jstl tags, you may got following exception.
Exception:
According to TLD or attribute directive in tag file, attribute items does not accept any expressions
Reason:
The JSTL version is not matched with your web.xml version.
Solution:
If your web.xml version is 2.3 below, you should use JSTL 1.0; if the version is 2.4 above, you should use JSTL1.1+.
Please notice that different JSTL has different taglib-uri. That’s why you got above exception.
You can download JSTL tag library from http://tomcat.apache.org/taglibs/standard/
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