freemarker书写select组件错误摘要（七）

1、错误叙述性说明

六月 26, 2014 11:26:27 下午 freemarker.log.JDK14LoggerFactory$JDK14Logger error

严重: Template processing error: "Expected collection or sequence. datas evaluated instead to freemarker.core.HashLiteral$SequenceHash on line 7, column 18 in inc/select.ftl."

Expected collection or sequence. datas evaluated instead to freemarker.core.HashLiteral$SequenceHash on line 7, column 18 in inc/select.ftl.

The problematic instruction:

----------

==> list datas as data [on line 7, column 11 in inc/select.ftl]

 in user-directive items.select [on line 14, column 6 in address.ftl]

----------

Java backtrace for programmers:

----------

freemarker.template.TemplateException: Expected collection or sequence. datas evaluated instead to freemarker.core.HashLiteral$SequenceHash on line 7, column 18 in inc/select.ftl.

	at freemarker.core.TemplateObject.invalidTypeException(TemplateObject.java:136)

	at freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:190)

	at freemarker.core.Environment.visit(Environment.java:428)

	at freemarker.core.IteratorBlock.accept(IteratorBlock.java:102)

	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.Macro$Context.runMacro(Macro.java:172)

	at freemarker.core.Environment.visit(Environment.java:614)

	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:267)

	at com.you.test.freemarker.FreemarkerTest.testSelect(FreemarkerTest.java:253)

	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 下拉框</title>

  </head>

  <body>

          <select id="city" name="city">

          <option>---请选择---</option>

                 <option value="武汉市">武汉市</option>

                 <option value="黄石市">黄石市</option>

                 <option value="黄冈市">黄冈市</option>

                 <option value="荆州市">荆州市</option>

     </select>

     <select id="zhuanye" name="zhuanye">

          <option>---请选择---</option>

                 <option value="请选择专业">请选择专业</option>

                 	<option value="计算机科学与技术" selected>计算机科学与技术</option>

                 <option value="物流project">物流project</option>

                 <option value="英语专业">英语专业</option>

     </select>

     <select id="user" name="user">

          <option>---请选择---</option>

                   <option value="1">张三丰</option>

                   <option value="2">李思思</option>

                   <option value="3">赵武</option>

                   <option value="4">刘雪</option>

                   <option value="5">朱顾</option>

                   <option value="6">赵武</option>

                   <option value="7">吴语</option>

                   <option value="8">血玉</option>

     </select>

     <select id="username" name="username">

          <option>---请选择---</option>

               <option value="0">其它</option>

                   <option value="1">张三丰</option>

                   <option value="2">李思思</option>

                   <option value="3">赵武</option>

                   <option value="4">刘雪</option>

                   <option value="5">朱顾</option>

                   <option value="6">赵武</option>

                   <option value="7">吴语</option>

                   <option value="8">血玉</option>

     </select>

     <select id="sex" name="sex">

          <option>---请选择---</option>

Expected collection or sequence. datas evaluated instead to freemarker.core.HashLiteral$SequenceHash on line 7, column 18 in inc/select.ftl.

The problematic instruction:

----------

==> list datas as data [on line 7, column 11 in inc/select.ftl]

 in user-directive items.select [on line 14, column 6 in address.ftl]

----------

Java backtrace for programmers:

----------

freemarker.template.TemplateException: Expected collection or sequence. datas evaluated instead to freemarker.core.HashLiteral$SequenceHash on line 7, column 18 in inc/select.ftl.

	at freemarker.core.TemplateObject.invalidTypeException(TemplateObject.java:136)

	at freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:190)

	at freemarker.core.Environment.visit(Environment.java:428)

	at freemarker.core.IteratorBlock.accept(IteratorBlock.java:102)

	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.Macro$Context.runMacro(Macro.java:172)

	at freemarker.core.Environment.visit(Environment.java:614)

	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:267)

	at com.you.test.freemarker.FreemarkerTest.testSelect(FreemarkerTest.java:253)

	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)

Expected collection or sequence. datas evaluated instead to freemarker.core.HashLiteral$SequenceHash on line 7, column 18 in inc/select.ftl.

The problematic instruction:

----------

==> list datas as data [on line 7, column 11 in inc/select.ftl]

 in user-directive items.select [on line 14, column 6 in address.ftl]

----------

Java backtrace for programmers:

----------

freemarker.template.TemplateException: Expected collection or sequence. datas evaluated instead to freemarker.core.HashLiteral$SequenceHash on line 7, column 18 in inc/select.ftl.

	at freemarker.core.TemplateObject.invalidTypeException(TemplateObject.java:136)

	at freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:190)

	at freemarker.core.Environment.visit(Environment.java:428)

	at freemarker.core.IteratorBlock.accept(IteratorBlock.java:102)

	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.Macro$Context.runMacro(Macro.java:172)

	at freemarker.core.Environment.visit(Environment.java:614)

	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:267)

	at com.you.test.freemarker.FreemarkerTest.testSelect(FreemarkerTest.java:253)

	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)

六月 26, 2014 11:26:27 下午 freemarker.log.JDK14LoggerFactory$JDK14Logger error

严重: Template processing error: "Expected collection or sequence. datas evaluated instead to freemarker.core.HashLiteral$SequenceHash on line 7, column 18 in inc/select.ftl."

Expected collection or sequence. datas evaluated instead to freemarker.core.HashLiteral$SequenceHash on line 7, column 18 in inc/select.ftl.

The problematic instruction:

----------

==> list datas as data [on line 7, column 11 in inc/select.ftl]

 in user-directive items.select [on line 14, column 6 in address.ftl]

----------

Java backtrace for programmers:

----------

freemarker.template.TemplateException: Expected collection or sequence. datas evaluated instead to freemarker.core.HashLiteral$SequenceHash on line 7, column 18 in inc/select.ftl.

	at freemarker.core.TemplateObject.invalidTypeException(TemplateObject.java:136)

	at freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:190)

	at freemarker.core.Environment.visit(Environment.java:428)

	at freemarker.core.IteratorBlock.accept(IteratorBlock.java:102)

	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.Macro$Context.runMacro(Macro.java:172)

	at freemarker.core.Environment.visit(Environment.java:614)

	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.printFile(FreemarkerTemplate.java:109)

	at com.you.test.freemarker.FreemarkerTest.studentFile(FreemarkerTest.java:281)

	at com.you.test.freemarker.FreemarkerTest.testSelect(FreemarkerTest.java:254)

	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)

Expected collection or sequence. datas evaluated instead to freemarker.core.HashLiteral$SequenceHash on line 7, column 18 in inc/select.ftl.

The problematic instruction:

----------

==> list datas as data [on line 7, column 11 in inc/select.ftl]

 in user-directive items.select [on line 14, column 6 in address.ftl]

----------

Java backtrace for programmers:

----------

freemarker.template.TemplateException: Expected collection or sequence. datas evaluated instead to freemarker.core.HashLiteral$SequenceHash on line 7, column 18 in inc/select.ftl.

	at freemarker.core.TemplateObject.invalidTypeException(TemplateObject.java:136)

	at freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:190)

	at freemarker.core.Environment.visit(Environment.java:428)

	at freemarker.core.IteratorBlock.accept(IteratorBlock.java:102)

	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.Macro$Context.runMacro(Macro.java:172)

	at freemarker.core.Environment.visit(Environment.java:614)

	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.printFile(FreemarkerTemplate.java:109)

	at com.you.test.freemarker.FreemarkerTest.studentFile(FreemarkerTest.java:281)

	at com.you.test.freemarker.FreemarkerTest.testSelect(FreemarkerTest.java:254)

	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

期望的是集合或序列。可是给的是HashMap

3、解决的方法

<#macro select id datas value="" key="" text="" headKey="" headValue="">

     <select id="${id}" name="${id}">

          <option>---请选择---</option>

          <#if headKey!="">

               <option value="${headKey}">${headValue}</option>

          </#if>

          <#if datas?is_hash_ex>

             <#local keys=datas?keys/>

             <#list keys as key>

                  <#if key==value>

                      <option value="${key}" selected>${datas[key]}</option>

                  <#else>

                      <option value="${key}">${datas[key]}</option>

                  </#if>

             </#list>

          <#else>

             <#list datas as data>

              <#if key!="">

                  <#if value == data[key]?string>

                 	<option value="${data[key]}" selected>${data[text]}</option>

                  <#else>

                   <option value="${data[key]}">${data[text]}</option>

                 </#if>

              <#else>

                  <#if value == data>

                 	<option value="${data}" selected>${data}</option>

                 <#else>

                 <option value="${data}">${data}</option>

              </#if>

             </#if>

          </#list>

        </#if>

     </select>

</#macro>

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