<@s.hidden name="redirectUri" value="${redirectUri}" />
以上两种情况下,value的属性都是可写的,在Freemarker的表达式中都可被利用。
二.
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-core</artifactId>
<version>2.3.34</version>
<exclusions>
<exclusion>
<groupId>com.sun</groupId>
<artifactId>tools</artifactId>
</exclusion>
</exclusions>
</dependency>
2.1如果只是升级到2.3.34,抛出如下异常
2017-09-12 10:58:18,053 ERROR Dispatcher:38 - Dispatcher initialization failed
Unable to load configuration. - bean - jar:file:/D:/eclipse/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp2/wtpwebapps/MobileOBT.WebService/WEB-INF/lib/struts2-core-2.3.34.jar!/struts-default.xml:71:157
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:70)
at org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:978)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:446)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:490)
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:298)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:119)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4076)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4730)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1060)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:822)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1060)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
at org.apache.catalina.core.StandardService.start(StandardService.java:525)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:759)
at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: Unable to load bean: type:com.opensymphony.xwork2.factory.UnknownHandlerFactory class:com.opensymphony.xwork2.factory.DefaultUnknownHandlerFactory - bean - jar:file:/D:/eclipse/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp2/wtpwebapps/MobileOBT.WebService/WEB-INF/lib/struts2-core-2.3.34.jar!/struts-default.xml:71:157
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:234)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67)
... 22 more
Caused by: java.lang.ClassNotFoundException: com.opensymphony.xwork2.factory.DefaultUnknownHandlerFactory
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
at com.opensymphony.xwork2.util.ClassLoaderUtil.loadClass(ClassLoaderUtil.java:152)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:216)
... 25 more
2.2 根据官方struts 的jar包依赖来看
把xwork-core 包升级至2.3.34版本,然后启动项目
java.lang.NoSuchFieldError: VERSION_2_3_0 异常
2.3解决方案
freemarker升级到 2.3.23.jar,最新版本
最后启动项目,完美解决