freemarker自定义标签报错（五）
freemarker自定义标签
1、错误描述
六月 05, 2014 11:40:49 下午 freemarker.log.JDK14LoggerFactory$JDK14Logger error
严重: Template processing error: "Expression name is undefined on line 18, column 20 in myself.ftl."
Expression name is undefined on line 18, column 20 in myself.ftl.
The problematic instruction:
----------
==> macro write [on line 11, column 10 in myself.ftl]
in user-directive write [on line 18, column 10 in myself.ftl]
----------
Java backtrace for programmers:
----------
freemarker.core.InvalidReferenceException: Expression name is undefined on line 18, column 20 in myself.ftl.
at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:125)
at freemarker.core.ComparisonExpression.isTrue(ComparisonExpression.java:121)
at freemarker.core.BooleanExpression._getAsTemplateModel(BooleanExpression.java:61)
at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
at freemarker.core.Environment.visit(Environment.java:591)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:106)
at freemarker.core.Environment.visit(Environment.java:221)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:221)
at freemarker.core.Environment.process(Environment.java:199)
at freemarker.template.Template.process(Template.java:259)
at com.you.freemarker.FreemarkerTemplate.printFtl(FreemarkerTemplate.java:77)
at com.you.test.freemarker.FreemarkerTest.studentPrint(FreemarkerTest.java:217)
at com.you.test.freemarker.FreemarkerTest.testMyself(FreemarkerTest.java:204)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Expression name is undefined on line 18, column 20 in myself.ftl.
The problematic instruction:
----------
==> macro write [on line 11, column 10 in myself.ftl]
in user-directive write [on line 18, column 10 in myself.ftl]
----------
Java backtrace for programmers:
----------
freemarker.core.InvalidReferenceException: Expression name is undefined on line 18, column 20 in myself.ftl.
at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:125)
at freemarker.core.ComparisonExpression.isTrue(ComparisonExpression.java:121)
at freemarker.core.BooleanExpression._getAsTemplateModel(BooleanExpression.java:61)
at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
at freemarker.core.Environment.visit(Environment.java:591)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:106)
at freemarker.core.Environment.visit(Environment.java:221)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:221)
at freemarker.core.Environment.process(Environment.java:199)
at freemarker.template.Template.process(Template.java:259)
at com.you.freemarker.FreemarkerTemplate.printFtl(FreemarkerTemplate.java:77)
at com.you.test.freemarker.FreemarkerTest.studentPrint(FreemarkerTest.java:217)
at com.you.test.freemarker.FreemarkerTest.testMyself(FreemarkerTest.java:204)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>freemarker自定义标签</title>
</head>
<body>
Expression name is undefined on line 18, column 20 in myself.ftl.
The problematic instruction:
----------
==> macro write [on line 11, column 10 in myself.ftl]
in user-directive write [on line 18, column 10 in myself.ftl]
----------
Java backtrace for programmers:
----------
freemarker.core.InvalidReferenceException: Expression name is undefined on line 18, column 20 in myself.ftl.
at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:125)
at freemarker.core.ComparisonExpression.isTrue(ComparisonExpression.java:121)
at freemarker.core.BooleanExpression._getAsTemplateModel(BooleanExpression.java:61)
at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
at freemarker.core.Environment.visit(Environment.java:591)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:106)
at freemarker.core.Environment.visit(Environment.java:221)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:221)
at freemarker.core.Environment.process(Environment.java:199)
at freemarker.template.Template.process(Template.java:259)
at com.you.freemarker.FreemarkerTemplate.printFtl(FreemarkerTemplate.java:77)
at com.you.test.freemarker.FreemarkerTest.studentPrint(FreemarkerTest.java:217)
at com.you.test.freemarker.FreemarkerTest.testMyself(FreemarkerTest.java:204)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
2、错误原因
<#--freemarker自定义标签-->
<#--对于write自定义标签有两个参数，nums是次数，name是名称-->
<#macro write nums name>
<#list 1..nums as num>
姓名：张三丰
性别：男
</#list>
</#macro>
<@write 4 name="你好！"/>
有两个参数名，省略了一个，导致出现name没有定义
3、解决办法
（1）添加上参数名
<@write nums=4 name="你好！"/>
（2）删除另一个参数名
<@write 4 "你好！"/>
虽然都可以生成结果，但是不提倡第二种方法
freemarker自定义标签报错（五）的更多相关文章
- freemarker自定义标签报错（四）
freemarker自定义标签 1.错误描述 六月 05, 2014 11:31:35 下午 freemarker.log.JDK14LoggerFactory$JDK14Logger error 严 ...
- freemarker自定义标签报错（六）
freemarker自定义标签 1.错误描述 freemarker.core.ParseException: Encountered "\"\u4f60\u597d\uff01\& ...
- freemarker自定义标签报错（三）
freemarker自定义标签 1.错误描述 freemarker.core.ParseException: Encountered " " at line 14, column ...
- freemarker自定义标签报错（二）
freemarker自定义标签 1.错误描述 freemarker.core.ParseException: Unexpected end of file reached. at freemarker ...
- freemarker自定义标签报错（一）
freemarker自定义标签 1.错误描述 freemarker.core.ParseException: Token manager error: freemarker.core.TokenMgr ...
- freemarker自定义标签报错（七）
1.错误描述 六月 09, 2014 11:11:09 下午 freemarker.log.JDK14LoggerFactory$JDK14Logger error 严重: Template proc ...
- freemarker自定义标签报错（八）
1.错误描述 freemarker.core.ParseException: Token manager error: freemarker.core.TokenMgrError: Unknown d ...
- 如何自定义JSTL标签与SpringMVC 标签的属性中套JSTL标签报错的解决方法
如何自定义JSTL标签 1.创建一个类,从SimpleTagSupport继承 A) 通过继承可以获得当前JSP页面上的对象,如JspContext I) 实际上可以强转为PageContext II ...
- OneBlog开源博客-详细介绍如何实现freemarker自定义标签
前言 OneBlog中使用到了springboot + freemarker的技术,同时项目里多个controller中都需要查询一个公有的数据集合,一般做法是直接在每个controller的方法中通 ...
随机推荐
- ABP官方文档翻译 7.3 Quartz集成
Quartz集成 介绍 安装 创建Jobs 计划安排Jobs 更多 介绍 Quartz是一个全功能的.开源的job计划安排系统,可以用在小的apps也可以用于大型的企业系统.Abp.Quartz包简化 ...
- 突然觉得前端js挺不错的
由于工作的需要,现在对前端技术有一定的要求,但是发现普遍前端技术都比较弱,遇到问题基本上没有人能帮助你解决,只好自己学习了. 从事java开发已经好久了,真的是好久了,但是水平一直还是一般吧. 从今天 ...
- HDU 3374 String Problem
最大最小表示法与KMP求循环节 最大最小表示法 最大最小表示法与KMP求循环节的模板题, #include <iostream> #include <cstdio> #incl ...
- Python之MYsql、数据库
一.数据库的操作及安装 1.安装 MySQL Community Server 5.7.16 ---- 版本 2.初始化 mysqld --inisialize-insecure 3.启 ...
- 使用sed修改配置项的值
起先我的想法是根据等号来求得配置项所在的行号, sed -n '/aaa/=' config.ini 然后根据行号删除这一行,再增加一行比如行号是9 sed -i '9d' config.ini s ...
- AJAX入门第一篇就够了
什么是Ajax Ajax(Asynchronous JavaScript and XML) 异步JavaScript和XML Ajax实际上是下面这几种技术的融合: (1)XHTML和CSS的基于标准 ...
- WdatePicker-限制日期选择
场景: 1. 开始时间,和结束时间最大选择今天. 2. 开始时间和结束时间的最大时间间隔为30天. jsp代码: <!-- 时间段 --> <form> <!-- 开始时 ...
- 阶段小项目2：显示bin格式图片
#include<stdlib.h>#include<stdio.h>#include<string.h>#include<error.h>#inclu ...
- memcached 与 redis 的区别和具体应用场景
1. Memcached简介 Memcached是以LiveJurnal旗下Danga Interactive公司的Bard Fitzpatric为首开发的高性能分布式内存缓存服务器.其本质上就是一个 ...
- [Python Study Notes]Socket模拟ssh执行cmd并记录遇到的问题
服务器端: 流程: 1.创建servert实例 2.绑定地址和端口 3.开始监听 4.创建客户端连接实例 5.等待客户端的消息 6.......... # The_author = 'liu66' # ...