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我尝试了struts2 Rest插件，将jar添加到我的lib文件夹后，出现此错误。Struts2 Rest插件无法加载配置bean
Jan 18, 2013 9:16:44 AM org.apache.catalina.core.StandardContext filterStart
SEVERE: Exception starting filter struts2
Unable to load configuration. - bean - jar:file:/C:/Users/John/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/HitPlay/WEB-INF/lib/struts2-rest-plugin-2.3.7.jar!/struts-plugin.xml:36:138
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:483)
at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:51)
at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:277)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:258)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:382)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:103)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4650)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5306)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: Unable to load configuration. - bean - jar:file:/C:/Users/John/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/HitPlay/WEB-INF/lib/struts2-rest-plugin-2.3.7.jar!/struts-plugin.xml:36:138
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:71)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:429)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:471)
... 16 more
Caused by: Unable to load bean: type:org.apache.struts2.rest.handler.ContentTypeHandler class:org.apache.struts2.rest.handler.JsonLibHandler - bean - jar:file:/C:/Users/John/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/HitPlay/WEB-INF/lib/struts2-rest-plugin-2.3.7.jar!/struts-plugin.xml:36:138
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:245)
at org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:102)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:215)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:68)
... 18 more
Caused by: java.lang.NoClassDefFoundError: net/sf/json/JSONArray
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)
at java.lang.Class.getDeclaredConstructors(Unknown Source)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:235)
... 21 more
Caused by: java.lang.ClassNotFoundException: net.sf.json.JSONArray
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
... 25 more
我不知道为什么会发生这种情况。任何线索？
你缺少必需的库。 –