strust 2.18 应用json 需要哪几个包

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刚学习struts2
在整合json时,老出现下面问题:

2010-5-17 11:58:56 com.opensymphony.xwork2.util.logging.commons.CommonsLogger warn
警告: Could not create JarEntryRevision!
java.util.zip.ZipException: 系统找不到指定的文件。
at java.util.zip.ZipFile.open(Native Method)
at java.util.zip.ZipFile.<init>(ZipFile.java:203)
at java.util.jar.JarFile.<init>(JarFile.java:132)
at java.util.jar.JarFile.<init>(JarFile.java:97)
at com.opensymphony.xwork2.util.FileManager$JarEntryRevision.build(FileManager.java:297)
at com.opensymphony.xwork2.util.FileManager.loadFile(FileManager.java:133)
at com.opensymphony.xwork2.util.FileManager.loadFile(FileManager.java:93)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadConfigurationFiles(XmlConfigurationProvider.java:887)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadDocuments(XmlConfigurationProvider.java:143)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.init(XmlConfigurationProvider.java:110)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:168)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:374)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:418)
at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:190)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3709)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4363)
at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1116)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1214)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:293)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1337)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1601)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1590)
at java.lang.Thread.run(Thread.java:595)
2010-5-17 11:58:56 com.opensymphony.xwork2.util.logging.commons.CommonsLogger info
信息: Parsing configuration file [struts-plugin.xml]
2010-5-17 11:58:56 com.opensymphony.xwork2.util.logging.commons.CommonsLogger info
信息: Parsing configuration file [struts.xml]
2010-5-17 11:58:56 com.opensymphony.xwork2.util.logging.commons.CommonsLogger info
信息: Overriding property struts.i18n.reload - old value: false new value: true
2010-5-17 11:58:56 com.opensymphony.xwork2.util.logging.commons.CommonsLogger info
信息: Overriding property struts.configuration.xml.reload - old value: false new value: true
2010-5-17 11:58:56 com.opensymphony.xwork2.util.logging.commons.CommonsLogger info
信息: Loading global messages from local.message
2010-5-17 11:58:58 com.opensymphony.xwork2.util.logging.commons.CommonsLogger error
严重: Dispatcher initialization failed
Unable to load configuration. - package - jar:file:/C:/Program%20Files/Apache%20Software%20Foundation/Apache%20Tomcat%206.0.18/webapps/Struts2/WEB-INF/lib/struts2-json-plugin-2.1.8.1.jar!/struts-plugin.xml:8:59
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:58)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:374)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:418)
at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:190)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3709)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4363)
at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1116)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1214)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:293)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1337)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1601)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1590)
at java.lang.Thread.run(Thread.java:595)
Caused by: The package name 'json-default' at location package - jar:file:/C:/Program%20Files/Apache%20Software%20Foundation/Apache%20Tomcat%206.0.18/webapps/Struts2/WEB-INF/lib/struts2-json-plugin-2.1.8.1.jar!/struts-plugin.xml:8:59 is already been used by another package at location package - jar:file:/C:/Program%20Files/Apache%20Software%20Foundation/Apache%20Tomcat%206.0.18/webapps/Struts2/WEB-INF/lib/jsonplugin-0.34.jar!/struts-plugin.xml:8:59 - package - jar:file:/C:/Program%20Files/Apache%20Software%20Foundation/Apache%20Tomcat%206.0.18/webapps/Struts2/WEB-INF/lib/struts2-json-plugin-2.1.8.1.jar!/struts-plugin.xml:8:59
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.addPackageConfig(DefaultConfiguration.java:113)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:475)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:264)
at org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:111)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:193)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
... 17 more
2010-5-17 11:58:58 org.apache.catalina.core.StandardContext filterStart
严重: Exception starting filter filterDispatcher
Unable to load configuration. - package - jar:file:/C:/Program%20Files/Apache%20Software%20Foundation/Apache%20Tomcat%206.0.18/webapps/Struts2/WEB-INF/lib/struts2-json-plugin-2.1.8.1.jar!/struts-plugin.xml:8:59
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:431)
at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:190)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3709)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4363)
at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1116)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1214)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:293)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1337)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1601)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1590)
at java.lang.Thread.run(Thread.java:595)
。。。。。


是我哪几个包没导好,还是其他问题?网上有这两贴:
http://chenyu-hz.javaeye.com/blog/657725
http://tanzhengping11.javaeye.com/blog/645578
...全文

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