Question

未定义父包：json-default - [unknown location]

Unable to load configuration. - [unknown location]
    at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:493)
    at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)
    at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:57)
    at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295)
    at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:424)
    at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115)


Caused by: Unable to load configuration. - [unknown location]
    at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:70)
    at org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:967)


Caused by: Parent package is not defined: json-default - [unknown location]
    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.buildPackageContext(XmlConfigurationProvider.java:674)
    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:523)
    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:295)
    at org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:112)
    at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:264)

Answer 1

@lokesh这是不在StackOverflow上询问的正确方法。只有错误是不够的，请考虑发布您的代码或其他详细信息等，否则您的问题将被低估，关闭，删除。

BTW

引起：未定义父包：json-default - [unknown location]

要使用展开json-default的包，您需要添加struts2-json-plugin。

下载here。

Struts2 Ajax验证不起作用

1 个答案: