The server encountered an internal error () that prevented it from fulfilling this request.

最新推荐文章于 2021-04-15 20:26:47 发布

原创最新推荐文章于 2021-04-15 20:26:47 发布 · 2.9k 阅读

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文章标签：

#server #jsp #string #vector #file #exception

本文分析了在JSP文件中出现的多个错误，包括类型未解析、实例化失败及方法未定义等问题，并探讨了解决这些问题的方法。

HTTP Status 500 -

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: Unable to compile class for JSP: 

An error occurred at line: 9 in the jsp file: /getDept.jsp
UserVO cannot be resolved to a type
6: 	String basePath = request.getScheme() + "://"
7: 						+ request.getServerName() + ":" + request.getServerPort()
8: 						+ webPath + "/";
9:     UserVO currUser = (UserVO)session.getAttribute("loginUser");
10: 	
11:     String sTree="";
12:     


An error occurred at line: 9 in the jsp file: /getDept.jsp
UserVO cannot be resolved to a type
6: 	String basePath = request.getScheme() + "://"
7: 						+ request.getServerName() + ":" + request.getServerPort()
8: 						+ webPath + "/";
9:     UserVO currUser = (UserVO)session.getAttribute("loginUser");
10: 	
11:     String sTree="";
12:     


An error occurred at line: 17 in the jsp file: /getDept.jsp
Cannot instantiate the type DeptDAO
14: 	
15:     if (currUser != null) {
16:     	//鍙栫粍缁囨満鏋勫垪琛�
17:     	deptDAO = new DeptDAO();
18:     	deptDAO.getChildDept(currUser.getDept_pk());
19:     	Vector sortlist = deptDAO.getDeptVOList();
20:     	if(sortlist!=null)


An error occurred at line: 19 in the jsp file: /getDept.jsp
The method getDeptVOList() is undefined for the type DeptDAO
16:     	//鍙栫粍缁囨満鏋勫垪琛�
17:     	deptDAO = new DeptDAO();
18:     	deptDAO.getChildDept(currUser.getDept_pk());
19:     	Vector sortlist = deptDAO.getDeptVOList();
20:     	if(sortlist!=null)
21:     	{
22:     		StringBuffer buf = new StringBuffer();


Stacktrace:
	org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:93)
	org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)
	org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:435)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:298)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:277)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:265)
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:564)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:302)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
请问怎么解决呢？