myeclipse中为什么/WebRoot/demo/data/AjaxService.jsp有错误？

hansibo0316

各位大神，myeclipse中为什么/WebRoot/demo/data/AjaxService.jsp有错误？在别的文件中调用时会出错。。

factory

报什么错?

hansibo0316

factory 发表于 2013-11-27 17:00
报什么错?

严重: Servlet.service() for servlet [jsp] in context with path [/miniui_java_myeclipse] threw exception [Unable to compile class for JSP:

An error occurred at line: 62 in the jsp file: /WebRoot/demo/data/AjaxService.jsp
Test.TestDB cannot be resolved to a type
59:     String sortField = request.getParameter("sortField");
60:     String sortOrder = request.getParameter("sortOrder");
61:        
62:     HashMap result = new Test.TestDB().SearchEmployees(key, pageIndex, pageSize, sortField, sortOrder);
63:     String json = Test.JSON.Encode(result);
64:     response.getWriter().write(json);
65: }


An error occurred at line: 63 in the jsp file: /WebRoot/demo/data/AjaxService.jsp
Test.JSON cannot be resolved to a type
60:     String sortOrder = request.getParameter("sortOrder");
61:        
62:     HashMap result = new Test.TestDB().SearchEmployees(key, pageIndex, pageSize, sortField, sortOrder);
63:     String json = Test.JSON.Encode(result);
64:     response.getWriter().write(json);
65: }
66:


An error occurred at line: 70 in the jsp file: /WebRoot/demo/data/AjaxService.jsp
Test.JSON cannot be resolved to a type
67: public void SaveEmployees(HttpServletRequest request, HttpServletResponse response) throws Exception
68: {
69:     String json = request.getParameter("data");
70:     ArrayList rows = (ArrayList)Test.JSON.Decode(json);
71:
72:     for(int i=0,l=rows.size(); i<l; i++){
73:             HashMap row = (HashMap)rows.get(i);


An error occurred at line: 80 in the jsp file: /WebRoot/demo/data/AjaxService.jsp
Test.TestDB cannot be resolved to a type
77:         if(state.equals("added") || id.equals(""))        //鏂板锛歩d涓虹┖锛屾垨_state涓篴dded
78:         {
79:             row.put("createtime", new Date());
80:             new Test.TestDB().InsertEmployee(row);
81:         }
82:         else if (state.equals("removed") || state.equals("deleted"))
83:         {
类似的很多，写不下。

最后是：

Stacktrace:
        at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:103)
        at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:366)
        at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:468)
        at org.apache.jasper.compiler.Compiler.compile(Compiler.java:378)
        at org.apache.jasper.compiler.Compiler.compile(Compiler.java:353)
        at org.apache.jasper.compiler.Compiler.compile(Compiler.java:340)
        at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:646)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:357)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
        at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
        at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
        at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1852)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)

niko

你这个是后台JSP没有编译成功。
首先，请在http://miniui.com/download/下载正确的后台版本，比如eclipse和myeclipse，两者文件结构有一点不一样。
其次，这个是你myeclipse的后台错误，你可以自己排查下。
最后，如果实在不行，你就新建一个myeclipse的web项目，然后把文件等一一拷贝进去，不可能不行的。