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博客园 - 樊凯

Weblogic10.3客户端jar文件 PHP5操作MySQL数据库 - 樊凯 - 博客园 Struts2拦截器 使用AppServ快速建立php运行环境 Hibernate缓存 一个关于SpringSecurity很好的参考文档 Struts2.1.6 + Spring2.5+Hibernate3.2整合 JQuery和Struts实现Ajax文件上传 struts1.x+spring2.5+JPA(hibernate)整合 使用Apache的commons-codes加密 Spring备忘（涵盖Spring2.5） Spring备忘四(涵盖Spring2.5) Sping备忘三（涵盖Spring2.5） Spring备忘二（涵盖Spring2.5） - 樊凯 - 博客园 Spring备忘一（涵盖Spring2.5） ubuntu遇到的错误 Ubuntu命令(更新中) 根据ResultSetMetaData对象动态创建pojo或其集合(JDBC) 天生我牛必有用
异常java.lang.UnsupportedClassVersionError: Bad version number in .class file
樊凯 · 2009-04-14 · via 博客园 - 樊凯

昨天在中心建立了一个非常简单的struts1.x的工程，但是今天到家里怎么都打不开，一直报这样的错误： 

严重: Begin event threw exception 
java.lang.reflect.InvocationTargetException 
    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.apache.commons.beanutils.PropertyUtilsBean.invokeMethod(PropertyUtilsBean.java:1773) 
    at org.apache.commons.beanutils.PropertyUtilsBean.setSimpleProperty(PropertyUtilsBean.java:1759) 
    at org.apache.commons.beanutils.PropertyUtilsBean.setNestedProperty(PropertyUtilsBean.java:1648) 
    at org.apache.commons.beanutils.PropertyUtilsBean.setProperty(PropertyUtilsBean.java:1677) 
    at org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java:1022) 
    at org.apache.commons.beanutils.BeanUtilsBean.populate(BeanUtilsBean.java:811) 
    at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:298) 
    at org.apache.commons.digester.SetPropertiesRule.begin(SetPropertiesRule.java:217) 
    at org.apache.commons.digester.Rule.begin(Rule.java:152) 
    at org.apache.commons.digester.Digester.startElement(Digester.java:1286) 
    at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(Unknown Source) 
    at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.startElement(Unknown Source) 
    at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source) 
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source) 
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source) 
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) 
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) 
    at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source) 
    at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source) 
    at org.apache.commons.digester.Digester.parse(Digester.java:1572) 
    at org.apache.struts.action.ActionServlet.parseModuleConfigFile(ActionServlet.java:738) 
    at org.apache.struts.action.ActionServlet.initModuleConfig(ActionServlet.java:687) 
    at org.apache.struts.action.ActionServlet.init(ActionServlet.java:333) 
    at javax.servlet.GenericServlet.init(GenericServlet.java:212) 
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1172) 
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:992) 
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4058) 
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4371) 
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791) 
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771) 
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525) 
    at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:926) 
    at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:889) 
    at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492) 
    at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1149) 
    at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) 
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) 
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) 
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:719) 
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) 
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) 
    at org.apache.catalina.core.StandardService.start(StandardService.java:516) 
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:710) 
    at org.apache.catalina.startup.Catalina.start(Catalina.java:578) 
    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.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288) 
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413) 
Caused by: java.lang.UnsupportedClassVersionError: Bad version number in .class file (unable to load class com.kay.web.form.UserForm) 
    at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1851) 
    at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:890) 
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1354) 
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233) 
    at org.apache.struts.config.FormBeanConfig.formBeanClass(FormBeanConfig.java:358) 
    at org.apache.struts.config.FormBeanConfig.setType(FormBeanConfig.java:152) 
    ... 54 more 
2009-4-14 10:42:02 org.apache.struts.action.ActionServlet handleConfigException 
严重: Parsing error processing resource path /WEB-INF/struts-config.xml 
java.lang.reflect.InvocationTargetException 
    at org.apache.commons.digester.Digester.createSAXException(Digester.java:2792) 
    at org.apache.commons.digester.Digester.createSAXException(Digester.java:2818) 
    at org.apache.commons.digester.Digester.startElement(Digester.java:1289) 
    at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(Unknown Source) 
    at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.startElement(Unknown Source) 
    at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source) 
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source) 
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source) 
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) 
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) 
    at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source) 
    at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source) 
    at org.apache.commons.digester.Digester.parse(Digester.java:1572) 
    at org.apache.struts.action.ActionServlet.parseModuleConfigFile(ActionServlet.java:738) 
    at org.apache.struts.action.ActionServlet.initModuleConfig(ActionServlet.java:687) 
    at org.apache.struts.action.ActionServlet.init(ActionServlet.java:333) 
    at javax.servlet.GenericServlet.init(GenericServlet.java:212) 
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1172) 
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:992) 
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4058) 
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4371) 
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791) 
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771) 
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525) 
    at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:926) 
    at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:889) 
    at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492) 
    at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1149) 
    at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) 
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) 
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) 
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:719) 
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) 
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) 
    at org.apache.catalina.core.StandardService.start(StandardService.java:516) 
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:710) 
    at org.apache.catalina.startup.Catalina.start(Catalina.java:578) 
    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.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288) 
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413) 
2009-4-14 10:42:02 org.apache.catalina.core.ApplicationContext log 
信息: Marking servlet action as unavailable 
2009-4-14 10:42:02 org.apache.catalina.core.StandardContext loadOnStartup 
严重: Servlet /struts threw load() exception 
javax.servlet.UnavailableException: Parsing error processing resource path /WEB-INF/struts-config.xml 
    at org.apache.struts.action.ActionServlet.handleConfigException(ActionServlet.java:769) 
    at org.apache.struts.action.ActionServlet.parseModuleConfigFile(ActionServlet.java:745) 
    at org.apache.struts.action.ActionServlet.initModuleConfig(ActionServlet.java:687) 
    at org.apache.struts.action.ActionServlet.init(ActionServlet.java:333) 
    at javax.servlet.GenericServlet.init(GenericServlet.java:212) 
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1172) 
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:992) 
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4058) 
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4371) 
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791) 
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771) 
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525) 
    at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:926) 
    at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:889) 
    at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492) 
    at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1149) 
    at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) 
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) 
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) 
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:719) 
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) 
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) 
    at org.apache.catalina.core.StandardService.start(StandardService.java:516) 
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:710) 
    at org.apache.catalina.startup.Catalina.start(Catalina.java:578) 
    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.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288) 
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)

后来发现是在中心创建这个工程的时候，使用的JDK是Java5但是家里是JDK6，所以或造成编译出错，解决方案如下（在Eclipse中）：

2009-4-14 11-13-07

2009-4-14 11-13-30

2009-4-14 11-13-52

2009-4-14 11-15-02

启动tomcat，OK！

此内容由惯性聚合(RSS阅读器)自动聚合整理，仅供阅读参考。 原文来自 — 版权归原作者所有。