我有一个包含多个模块的 Maven 项目。四个模块中,其中两个是 Web 模块。
这是结构。
MyProject
|
|__ api
|
|__ commons
|
|__ web_child
|
|__ web_main
web_main
模块是主要模块,它还可以包含 web_child
模块。
web_child
模块结构为
web_child
|
|__ src/main/java //java action classes and all
|__ src/main/resources
| |__ struts-config.xml
|
|__ WEB-INF
|__ JSP Pages
web_main
模块结构为
web_main
|
|__ src/main/java //java action classes and all
|__ src/main/resources
| |__ struts.xml
|
|__ WEB-INF
|__ JSP Pages
两个模块都是 war
。
web-main
依赖于所有模块,web-child
依赖于前两个(API 和 commons)模块。
在 web-main
的 pom.xml
中,我添加了 web-child
的依赖项,它会自动添加其他两个 jar。
主模块web-main
在服务器上完美运行。
但是当我尝试单独运行 web-child
模块时,它显示类似
There is no Action mapped for namespace [/] and action name [childMenu] associated with context path ...
因为它没有采用struts-config.xml
当我将文件重命名为 struts.xml
时,web-child
工作正常。但当时主模块没有运行。
所以我想将子模块中的 struts.xml
重命名为 struts-config.xml
并且我需要明确指定它。
我正在使用Struts2。但我在 web.xml
中尝试了以下操作,显然它不起作用
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>../resources/struts-config.xml</param-value>
</init-param>
</servlet>
如何解决这个问题?
更新1
嗨,我在我的 web-child web.xml 中添加了以下内容
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
<init-param>
<param-name>config</param-name>
<param-value>struts-config.xml</param-value>
</init-param>
</filter>
我遇到了以下异常。我需要添加任何依赖项吗?
SEVERE: Exception starting filter struts2
Unable to load configuration. - [unknown location]
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:281)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:262)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:107)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4775)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5452)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:976)
at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1653)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:724)
Caused by: Unable to load configuration. - [unknown location]
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)
... 19 more
Caused by: Cannot locate the chosen ObjectFactory implementation: spring - [unknown location]
at org.apache.struts2.config.BeanSelectionProvider.alias(BeanSelectionProvider.java:391)
at org.apache.struts2.config.BeanSelectionProvider.alias(BeanSelectionProvider.java:362)
at org.apache.struts2.config.BeanSelectionProvider.register(BeanSelectionProvider.java:288)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:215)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:68)
... 21 more
请您参考如下方法:
在struts过滤器初始化参数中明确指定配置文件。
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
<init-param>
<param-name>config</param-name>
<param-value>struts.xml,struts-config.xml,struts-default.xml,struts-plugin.xml</param-value>
</init-param>
</filter>