iReport 新手的问题！

Question

我第一次使用iReport1.2.5，在官方网站下载了压缩包，解压，然后顺利打开ireport，新建了一个后缀名为jrxml的文档，然后我并没有对这个文档进行任何操作，直接编译，就产生了如下的错误：
（JDK1.5.0，没有装ant，是不是没装ant的原因呀），请帮我看一下，谢谢 Compiling to file... D:\ireportfoder\Untitled_report_1.jasper -> E:\Program Files\iReport-1.2.5\Untitled_report_1.java
Error compiling the report java source!
it.businesslogic.ireport.ReportClassLoader@be6108 java.lang.VerifyError: class org.apache.xerces.jaxp.datatype.DurationImpl overrides final method *þf~g.
 &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;java.lang.ClassLoader.defineClass1(Native&nbsp;Method) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;java.lang.ClassLoader.defineClass(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;java.security.SecureClassLoader.defineClass(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;java.net.URLClassLoader.defineClass(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;java.net.URLClassLoader.access+100(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;java.net.URLClassLoader+1.run(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;java.security.AccessController.doPrivileged(Native&nbsp;Method) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;java.net.URLClassLoader.findClass(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;java.lang.ClassLoader.loadClass(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;sun.misc.Launcher$AppClassLoader.loadClass(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;java.lang.ClassLoader.loadClass(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;java.lang.ClassLoader.loadClassInternal(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.impl.dv.xs.AbstractDateTimeDV.<init>(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.impl.dv.xs.DurationDV.<init>(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.impl.dv.xs.XSSimpleTypeDecl.<clinit>(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.impl.dv.xs.SchemaDVFactoryImpl.createBuiltInTypes(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.impl.dv.xs.SchemaDVFactoryImpl.<clinit>(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native&nbsp;Method) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;java.lang.reflect.Constructor.newInstance(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;java.lang.Class.newInstance0(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;java.lang.Class.newInstance(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.impl.dv.ObjectFactory.newInstance(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.impl.dv.SchemaDVFactory.getInstance(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.impl.dv.SchemaDVFactory.getInstance(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.impl.xs.SchemaGrammar$BuiltinSchemaGrammar.<init>(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.impl.xs.SchemaGrammar.<clinit>(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.impl.xs.XMLSchemaValidator.<init>(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.parsers.XML11Configuration.configurePipeline(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.parsers.XIncludeAwareParserConfiguration.configurePipeline(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.parsers.XML11Configuration.parse(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.parsers.XML11Configuration.parse(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.parsers.XMLParser.parse(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.commons.digester.Digester.parse(Digester.java:1647) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;net.sf.jasperreports.engine.xml.JRXmlLoader.loadXML(JRXmlLoader.java:238) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;net.sf.jasperreports.engine.xml.JRXmlLoader.loadXML(JRXmlLoader.java:225) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:213) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:167) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:151) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:107) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;it.businesslogic.ireport.IReportCompiler.run(IReportCompiler.java:478) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;java.lang.Thread.run(Unknown&nbsp;Source) 
Compilation running time : 1913 不作任何改动，我重新编译一次，又出现了下面的异常：我查了很多资料都没有相关的，拜托啦
Compiling to file... D:\ireportfoder\Untitled_report_1.jasper -> E:\Program Files\iReport-1.2.5\Untitled_report_1.java
Error compiling the report java source!
it.businesslogic.ireport.ReportClassLoader@3c40f0 java.lang.NoClassDefFoundError &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.impl.xs.XMLSchemaValidator.<init>(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.parsers.XML11Configuration.configurePipeline(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.parsers.XIncludeAwareParserConfiguration.configurePipeline(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.parsers.XML11Configuration.parse(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.parsers.XML11Configuration.parse(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.parsers.XMLParser.parse(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown&nbsp;Source) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;org.apache.commons.digester.Digester.parse(Digester.java:1647) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;net.sf.jasperreports.engine.xml.JRXmlLoader.loadXML(JRXmlLoader.java:238) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;net.sf.jasperreports.engine.xml.JRXmlLoader.loadXML(JRXmlLoader.java:225) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:213) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:167) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:151) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:107) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;it.businesslogic.ireport.IReportCompiler.run(IReportCompiler.java:478) &nbsp;&nbsp;&nbsp;&nbsp;at&nbsp;java.lang.Thread.run(Unknown&nbsp;Source) 
Compilation running time : 150 

Answer 1

是不是用的是JRE没有用JDK啊,  Jasper 找JAVAC.EXE 去编译没有找到,加入你用的是JRE,你就把tools.jar加到你的classpath里面.