According to TLD or attribute directive in tag file, attribute var does not acce

控制台错误信息

2011-1-3 19:57:50 org.apache.catalina.core.ApplicationDispatcher invoke
严重: Servlet.service() for servlet jsp threw exception
org.apache.jasper.JasperException: /page/user/showUser.jsp(128,3) According to TLD or attribute directive in tag file, attribute var does not accept any expressions
	at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)
	at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
	at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:148)
	at org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes(Validator.java:1174)
	at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:821)
	at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1512)
	at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2343)
	at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2393)
	at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:840)
	at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1512)
	at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2343)
	at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2393)
	at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:840)
	at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1512)
	at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2343)
	at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2393)
	at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2399)
	at org.apache.jasper.compiler.Node$Root.accept(Node.java:489)
	at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2343)
	at org.apache.jasper.compiler.Validator.validate(Validator.java:1739)
	at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:166)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:315)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:295)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:282)
	at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:586)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:630)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
	at com.dma.service.user.ShowUser.doPost(ShowUser.java:68)
	at com.dma.service.user.ShowUser.doGet(ShowUser.java:27)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Thread.java:619)

找了半天，什么JSTL1.0和JSTL1.1的差异。都试过没用。原因是

这个
[color=red]var="${dmaUser}"[/color]
不应该用EL表达式。唉 低级错误！切记！