首先,我会在处理我的问题之前向您介绍我的测试用例。 有我的基本Maven的web应用的几个组成部分:JSF PrettyFaces导致过滤器链'破坏'
- page.xhtml:用于生成我的请求/应答(启动过滤)
- 漂亮的面孔:基于需求中重新定义的URL,我客户
- FirstFilter:要漂亮的面孔之前执行(在这个体育场用于测试目的)
- ThirdFilter:要漂亮的面孔后执行(在这个体育场用于测试目的)
- web.xml中:定义行为我的完整过滤器链
我会分享重要组件的代码。
漂亮-config.xml中
<url-mapping id="page">
<pattern value="/page" />
<view-id value="/page.xhtml" />
</url-mapping>
FirstFilter.java
@WebFilter
public class FirstFilter implements Filter {
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
System.out.println("FirstFilter, request: " +
((HttpServletRequest)request).getRequestURL().toString());
chain.doFilter(request, response);
System.out.println("FirstFilter, response");
}
// override init and destroy
}
ThirdFilter.java
@WebFilter
public class ThirdFilter implements Filter {
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
System.out.println("ThirdFilter, request: " +
((HttpServletRequest)request).getRequestURL().toString());
chain.doFilter(request, response);
System.out.println("ThirdFilter, response");
}
// override init and destroy
}
的web.xml
<filter>
<filter-name>FirstFilter</filter-name>
<filter-class>nl.mhoogeveen.nl.rootapplication.FirstFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>FirstFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>Pretty Filter</filter-name>
<filter-class>testingapplications.filterchaining.PrettyFilter</filter-class>
<async-supported>true</async-supported>
</filter>
<filter-mapping>
<filter-name>Pretty Filter</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>FORWARD</dispatcher>
<dispatcher>REQUEST</dispatcher>
<dispatcher>ERROR</dispatcher>
<dispatcher>ASYNC</dispatcher>
</filter-mapping>
<filter>
<filter-name>ThirdFilter</filter-name>
<filter-class>testingapplications.filterchaining.ThirdFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>ThirdFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
现状
调用本地主机:8080/page.xhtml(并因此不是激活漂亮的面孔重定向)
INFO: FirstFilter, request: http://localhost:8080/page.xhtml
INFO: ThirdFilter, request: http://localhost:8080/page.xhtml
INFO: ThirdFilter, response
INFO: FirstFilter, response
调用本地主机:8080 /页面(并因此激活漂亮脸部重定向)
INFO: FirstFilter, request: http://localhost:8080/page
INFO: FirstFilter, response
问题
是什么原因造成这种情况在我的链将是不完整?它不会被切断,因为我仍然在FirstFilter上得到我的回应。它似乎没有达到ThirdFilter。
我的web.xml
有什么问题,我是否缺少dispatcher
?
在此先感谢。
精湛的答案。我已经认为我的调度员是错误的,但我确实知道很多关于实际处理请求的方式。我正在读这些调度员,但你的解释更清楚。感谢Chkal! – Aquillo
好的问题,甚至更好的答案=好的线程 –