java.lang.IllegalArgumentException: Can't convert argument: null错误原因及解决办法
2012-12-15 17:06
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java.lang.IllegalArgumentException: Can't convert argument: null
这是由于eclipse在修改项目名的时候,eclipse自动更新部署了web.xml文件 并且重新生成了xml文件的头部声明. 新增了java的命名把这个javaee去掉就可以了.一般情况下他会修改servlet的配置
修改项目后之后的web.xml仔细观察<init-param>标签下的子标签是否多了一个javaee你把这个删除掉就可以了
web.xml
<filter>
<filter-name>CharacterEncoding</filter-name>
<filter-class>com.avonaco.test.filter.CharacterEncoding</filter-class>
<init-param>
<javaee:param-name>encoding</javaee:param-name>
<javaee:param-value>utf-8</javaee:param-value>
</init-param>
</filter>
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