java.lang.UnsupportedClassVersionError: Bad version number in .class file (unable to load class org.

向右看齐 2022-08-07 13:50 66阅读 0赞

1、错误描述

  1. 严重: Exception starting filter struts2
  2. java.lang.UnsupportedClassVersionError: Bad version number in .class file (unable to load class org.apache.commons.lang3.StringUtils)
  3.     at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2737)
  4.     at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1124)
  5.     at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1612)
  6.     at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1491)
  7.     at java.lang.ClassLoader.loadClassInternal(Unknown Source)
  8.     at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:213)
  9.     at org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:102)
  10.     at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:240)
  11.     at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67)
  12.     at org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:967)
  13.     at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:435)
  14.     at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:479)
  15.     at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)
  16.     at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareFilter.init(StrutsPrepareFilter.java:56)
  17.     at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295)
  18.     at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422)
  19.     at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115)
  20.     at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4001)
  21.     at org.apache.catalina.core.StandardContext.start(StandardContext.java:4651)
  22.     at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
  23.     at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
  24.     at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:546)
  25.     at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1041)
  26.     at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:964)
  27.     at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:502)
  28.     at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1277)
  29.     at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:321)
  30.     at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
  31.     at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
  32.     at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
  33.     at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
  34.     at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:445)
  35.     at org.apache.catalina.core.StandardService.start(StandardService.java:519)
  36.     at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
  37.     at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
  38.     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  39.     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
  40.     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
  41.     at java.lang.reflect.Method.invoke(Unknown Source)
  42.     at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
  43.     at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
  44. 2015-4-12 9:26:20 org.apache.catalina.core.StandardContext start
  45. 严重: Error filterStart
  46. 2015-4-12 9:26:20 org.apache.catalina.core.StandardContext start
  47. 严重: Context [/FusionCharts] startup failed due to previous errors

2、错误原因

  1.  之前新建的项目是用的JDK7，后来用JDK6部署项目，导致出错

3、解决办法

  1. 保证项目的JDK版本一致，用JDK7部署项目

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