The server encountered an unexpected condition that prevented it from fulfilling the request. /main.jsp (line: [18], column: [40]) Expecting "jsp:param" standard action with "name" and "value" attribu

 Exception Report

Message /main.jsp (line: [18], column: [40]) Expecting "jsp:param" standard action with "name" and "value" attributes

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.apache.jasper.JasperException: /main.jsp (line: [18], column: [40]) Expecting "jsp:param" standard action with "name" and "value" attribute

Note The full stack trace of the root cause is available in the server logs.

今天遇到了一个500的错，根据提示反复核对代码都没有错误，后来发现在<jsp>标签的开始和结束中间加了空格，所以才会出现这样的提示错误

把空格删除，即可运行