Failed to load or instantiate TagExtraInfo class: org.apache.struts.taglib.bean.CookieTei
2014-11-10 13:54
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这种问题,不用担心,是jar冲突导致的
使用的是tomcat6,和jdk1.6
使用struts的标签库出现Failed to load or instantiate TagExtraInfo class 最近在使用struts标签库的时候,在eclipse开发环境中是正常的,放到tomcat6上面发布,浏览的时候出现Failed to load or instantiate TagExtraInfo class问题。
(1)发现是jsp-api.jar包冲突了造成的,tomcat的lib目录中有此包,和项目的web-inf\lib目录下面的包冲突了 项目web-inf\lib\jsp-api.jar 包删除了,再次发布还是不行。 (2)还需要将项目的tomcat目录下的 temp和work临时目录都删除,然后再启动web服务器,就ok 了。
如果以上办法还不行,就先把项目从服务器下remove,把tomcat下webapps目录下工程文件夹删掉,如果remove不能彻底清除工程的时候。
最后重复第(2)步,重启服务器,就可以了
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