报错HTTP Status 500 - java.lang.ClassCastException: org.apache.jasper.el.ELContextImpl cannot be cast

报错：

HTTP Status 500 - java.lang.ClassCastException: org.apache.jasper.el.ELContextImpl cannot be cast to org.apache.jasper.el.ELContextImpl

解决：

修改tomcat/conf目录下的文件context.xml

添加一行配置

<Loader delegate="true" />

修改后重启tomcat