不一样的:Unable to compile class for JSP
在别的地方可以但在我的电脑就不行


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

An   error   occurred   at   line:   -1   in   the   jsp   file:   null

Generated   servlet   error:
        [javac]   Compiling   1   source   file

C:\Tomcat\work\Catalina\192.168.1.27\_\org\apache\jsp\index_jsp.java:7:   cannot   access   java.lang.Object
bad   class   file:   C:\Java\jre\lib\rt.jar(java/lang/Object.class)
class   file   has   wrong   version   49.0,   should   be   48.0
Please   remove   or   make   sure   it   appears   in   the   correct   subdirectory   of   the   classpath.
public   final   class   index_jsp   extends   org.apache.jasper.runtime.HttpJspBase
                          ^
1   error


org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:83)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:306)
org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:398)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:441)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:422)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:507)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:274)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
filters.CheckLoginTimoutFilter.doFilter(CheckLoginTimoutFilter.java:57)
filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:122)


note   The   full   stack   trace   of   the   root   cause   is   available   in   the   Apache   Tomcat/5.0.24   logs.



------解决方案--------------------
http://blog.csdn.net/yangkewei111/archive/2006/09/19/1245926.aspx
我的异常网推荐解决方案：org.apache.jasper.JasperException: Unable to compile class,http://www.aiyiweb.com/j2ee/2308.html