org.apache.el.parser.ParseException:

在访问jsp出现以下异常：

org.apache.el.parser.ParseException: Encountered " <FLOATING_POINT_LITERAL> ".111 "" at line 1, column 19.
Was expecting one of:
    "}" ...
    "." ...
    "[" ...
    ">" ...
    "gt" ...
    "<" ...
    "lt" ...
    ">=" ...
    "ge" ...
    "<=" ...
    "le" ...
    "==" ...
    "eq" ...
    "!=" ...
    "ne" ...
    "&&" ...
    "and" ...
    "||" ...
    "or" ...
    "*" ...
    "+" ...
    "-" ...
    "/" ...
    "div" ...
    "%" ...
    "mod" ...
   
 at org.apache.el.parser.ELParser.generateParseException(ELParser.java:2217)
 at org.apache.el.parser.ELParser.jj_consume_token(ELParser.java:2099)
 at org.apache.el.parser.ELParser.DynamicExpression(ELParser.java:150)
 at org.apache.el.parser.ELParser.CompositeExpression(ELParser.java:46)
 at org.apache.el.lang.ExpressionBuilder.createNodeInternal(ExpressionBuilder.java:114)
 at org.apache.el.lang.ExpressionBuilder.build(ExpressionBuilder.java:171)
 at org.apache.el.lang.ExpressionBuilder.createValueExpression(ExpressionBuilder.java:216)
 at org.apache.el.ExpressionFactoryImpl.createValueExpression(ExpressionFactoryImpl.java:66)
 at org.apache.jasper.runtime.PageContextImpl.proprietaryEvaluate(PageContextImpl.java:966)
 at org.apache.jsp.el.el_jsp._jspService(el_jsp.java:126)
 at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
 at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
 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:727)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
 at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
 at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
 at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
 at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
 at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
 at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
 at java.lang.Thread.run(Thread.java:745)

问题描述：

    1、使用jsp用到域四大域(pageContext,request,session,application),简单的向域中存取数据。

    2、并且除去pageContext域其他域都没有丝毫问题。都可以出现提示。在我写这篇文章的时候pageContext还是不可以提示

问题解决：

    我在网上搜索了一下，有一个人也出现了这样的问题，但他是因为少打了一个 } 导致的。而我仔细检查了语法没有错误。

    然后又访问了几次，突然又没有问题了。

总结：

    应该是编译器出现的问题。尝试关闭在开启试试。

     希望这篇文章对你有用！！！