freemarker寫select元件報錯總結（六）
阿新 • • 發佈：2018-12-24
1、錯誤描述
六月 26, 2014 10:53:26 下午 freemarker.log.JDK14LoggerFactory$JDK14Logger error 嚴重: Template processing error: "Expression data[text] is undefined on line 9, column 51 in inc/select.ftl." Expression data[text] is undefined on line 9, column 51 in inc/select.ftl. The problematic instruction: ---------- ==> ${data[text]} [on line 9, column 49 in inc/select.ftl] in user-directive items.select [on line 12, column 6 in address.ftl] ---------- Java backtrace for programmers: ---------- freemarker.core.InvalidReferenceException: Expression data[text] is undefined on line 9, column 51 in inc/select.ftl. at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:125) at freemarker.core.Expression.getStringValue(Expression.java:118) at freemarker.core.Expression.getStringValue(Expression.java:93) at freemarker.core.DollarVariable.accept(DollarVariable.java:76) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.MixedContent.accept(MixedContent.java:92) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IfBlock.accept(IfBlock.java:82) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IfBlock.accept(IfBlock.java:82) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:179) 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>---請選擇---</option> <option value="武漢市">武漢市</option> <option value="黃石市">黃石市</option> <option value="黃岡市">黃岡市</option> <option value="荊州市">荊州市</option> </select> <select id="zhuanye" name="zhuanye"> <option>---請選擇---</option> <option value="請選擇專業">請選擇專業</option> <option value="電腦科學與技術" selected>電腦科學與技術</option> <option value="物流工程">物流工程</option> <option value="英語專業">英語專業</option> </select> <select id="user" name="user"> <option>---請選擇---</option> <option value="1"> Expression data[text] is undefined on line 9, column 51 in inc/select.ftl. The problematic instruction: ---------- ==> ${data[text]} [on line 9, column 49 in inc/select.ftl] in user-directive items.select [on line 12, column 6 in address.ftl] ---------- Java backtrace for programmers: ---------- freemarker.core.InvalidReferenceException: Expression data[text] is undefined on line 9, column 51 in inc/select.ftl. at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:125) at freemarker.core.Expression.getStringValue(Expression.java:118) at freemarker.core.Expression.getStringValue(Expression.java:93) at freemarker.core.DollarVariable.accept(DollarVariable.java:76) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.MixedContent.accept(MixedContent.java:92) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IfBlock.accept(IfBlock.java:82) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IfBlock.accept(IfBlock.java:82) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:179) 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) Expression data[text] is undefined on line 9, column 51 in inc/select.ftl. The problematic instruction: ---------- ==> ${data[text]} [on line 9, column 49 in inc/select.ftl] in user-directive items.select [on line 12, column 6 in address.ftl] ---------- Java backtrace for programmers: ---------- freemarker.core.InvalidReferenceException: Expression data[text] is undefined on line 9, column 51 in inc/select.ftl. at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:125) at freemarker.core.Expression.getStringValue(Expression.java:118) at freemarker.core.Expression.getStringValue(Expression.java:93) at freemarker.core.DollarVariable.accept(DollarVariable.java:76) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.MixedContent.accept(MixedContent.java:92) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IfBlock.accept(IfBlock.java:82) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IfBlock.accept(IfBlock.java:82) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:179) 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$2.evaluate(ParentRunner.java:222) at org.junit.runners.ParentRunner.run(ParentRunner.java:300) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) 六月 26, 2014 10:53:26 下午 freemarker.log.JDK14LoggerFactory$JDK14Logger error 嚴重: Template processing error: "Expression data[text] is undefined on line 9, column 51 in inc/select.ftl." Expression data[text] is undefined on line 9, column 51 in inc/select.ftl. The problematic instruction: ---------- ==> ${data[text]} [on line 9, column 49 in inc/select.ftl] in user-directive items.select [on line 12, column 6 in address.ftl] ---------- Java backtrace for programmers: ---------- freemarker.core.InvalidReferenceException: Expression data[text] is undefined on line 9, column 51 in inc/select.ftl. at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:125) at freemarker.core.Expression.getStringValue(Expression.java:118) at freemarker.core.Expression.getStringValue(Expression.java:93) at freemarker.core.DollarVariable.accept(DollarVariable.java:76) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.MixedContent.accept(MixedContent.java:92) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IfBlock.accept(IfBlock.java:82) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IfBlock.accept(IfBlock.java:82) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:179) 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) Expression data[text] is undefined on line 9, column 51 in inc/select.ftl. The problematic instruction: ---------- ==> ${data[text]} [on line 9, column 49 in inc/select.ftl] in user-directive items.select [on line 12, column 6 in address.ftl] ---------- Java backtrace for programmers: ---------- freemarker.core.InvalidReferenceException: Expression data[text] is undefined on line 9, column 51 in inc/select.ftl. at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:125) at freemarker.core.Expression.getStringValue(Expression.java:118) at freemarker.core.Expression.getStringValue(Expression.java:93) at freemarker.core.DollarVariable.accept(DollarVariable.java:76) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.MixedContent.accept(MixedContent.java:92) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IfBlock.accept(IfBlock.java:82) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IfBlock.accept(IfBlock.java:82) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:179) 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、錯誤原因
在巨集定義中是text
<#macro select id datas value="" key="" text="">但是在引用時卻是value
<@items.select id="user" datas=users key="userNo" value="userName"/>3、解決辦法
將“value”改為“text”
<@items.select id="user" datas=users key="userNo" text="userName"/>