如何处理如下tomcat和jdk不一致的情况

HTTP Status 500 - Unable to compile class for JSP:

type Exception report

message Unable to compile class for JSP:

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: 10 in the jsp file: /pages/common/head.jsp
Duplicate local variable basePath
7: --%>
8: <%@ page contentType="text/html;charset=UTF-8" language="java" %>
9: <%
10:     String basePath=request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+request.getContextPath()+"/";
11: %>
12: <!--鍐檅ase鏍囩锛屾案杩滃浐瀹氱浉瀵硅矾寰勮烦杞殑缁撴灉-->
13: <base href=<%=basePath%>>


Stacktrace:
	org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:102)
	org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:198)
	org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:457)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:363)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:338)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:325)
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:580)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:363)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

note The full stack trace of the root cause is available in the Apache Tomcat/8.0.50 logs.

你这个错误是因为head.jsp文件与当前页面文件定义了相同的变量basePath，导致变量重名引起的问题，删除当前页面或head.jsp的

basePath就可以了。

可以从新下载一个版本一致的jdk或者tomcat,jdk的话在本地需要配置环境变量，所以我建议你下载一个和jdk版本一致的tomcat，因为tomcat解压即可运行，如果你的jdk是32位的那么tomcat就下载32位的，同理如果jdk是64位的，tomcat就下载64位的，推荐jdk1.8,tomcat8

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