我想使用ui:include在小工具中包含servlet生成的内容。到目前为止,我只有错误。Facelet包含servlet生成的内容
请注意,该servlet工作正常,来自浏览器的GET请求可以。
请注意,我可以成功地包含来自另一个facelet文件的内容,但不能在内容为servlet生成时包含内容。
我GOOGLE和stackoverflowed我的问题,但无法找到匹配的答复。
myfacelet.xhtml(在web应用程序的根,即,通过达成的 “http://本地主机:8080/mywebapp/myfacelet.xhtml”):
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:ui="http://java.sun.com/jsf/facelets">
<h:head>
<title>JSF Dynamic Content</title>
</h:head><h:body>
<h3>Dynamic content:</h3>
<ui:include src="dynamic-content"/>
</h:body>
</html>
MyServlet.java(可通过到达的 “http://本地主机:8080/mywebapp /动态内容”):
@WebServlet(name = "DynamicContentServlet", urlPatterns = {"/dynamic-content"})
public class DynamicContentServlet extends HttpServlet {
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
PrintWriter writer = response.getWriter();
writer.println("<p>Dynamic stuff</p>");
}
}
的web.xml(JSF相关的东西只):
<context-param>
<param-name>javax.faces.PROJECT_STAGE</param-name>
<param-value>Development</param-value>
</context-param>
<servlet>
<servlet-name>FacesServlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>FacesServlet</servlet-name>
<url-pattern>/faces/*</url-pattern>
<url-pattern>*.jsf</url-pattern>
<url-pattern>*.faces</url-pattern>
<url-pattern>*.xhtml</url-pattern>
</servlet-mapping>
对于ui:include =“/ dynamic-content”和urlPatterns =“/ dynamic-content” (或ui:include =“/ mywebapp/dynamic-content”和urlPatterns =“/ dynamic-content”) 错误是:
javax.faces.view.facelets.TagAttributeException: /myfacelet.xhtml @12,48 <ui:include src="/dynamic-content"> Invalid path : /dynamic-content
at com.sun.faces.facelets.tag.ui.IncludeHandler.apply(IncludeHandler.java:152)
at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHandler(DelegatingMetaTagHandler.java:137)
at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl.apply(ComponentTagHandlerDelegateImpl.java:195)
at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(DelegatingMetaTagHandler.java:120)
at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
at com.sun.faces.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:93)
at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
at com.sun.faces.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:86)
at com.sun.faces.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:152)
at com.sun.faces.application.view.FaceletViewHandlingStrategy.buildView(FaceletViewHandlingStrategy.java:774)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:100)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594)
(...)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930)
at java.lang.Thread.run(Thread.java:662)
对于UI:包括= “动态内容” 和URL模式= “/动态内容” 或UI:包括= “动态content.bla” 和URL模式= “* BLA。”, 的错误是:
java.io.FileNotFoundException
at org.apache.naming.resources.DirContextURLConnection.getInputStream(DirContextURLConnection.java:369)
at com.sun.faces.facelets.impl.DefaultFaceletCache._getLastModified(DefaultFaceletCache.java:172)
at com.sun.faces.facelets.impl.DefaultFaceletCache.access$000(DefaultFaceletCache.java:62)
at com.sun.faces.facelets.impl.DefaultFaceletCache$1.newInstance(DefaultFaceletCache.java:82)
at com.sun.faces.facelets.impl.DefaultFaceletCache$1.newInstance(DefaultFaceletCache.java:78)
at com.sun.faces.util.ExpiringConcurrentCache$1.call(ExpiringConcurrentCache.java:99)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at com.sun.faces.util.ExpiringConcurrentCache.get(ExpiringConcurrentCache.java:114)
at com.sun.faces.facelets.impl.DefaultFaceletCache.getFacelet(DefaultFaceletCache.java:121)
at com.sun.faces.facelets.impl.DefaultFaceletCache.getFacelet(DefaultFaceletCache.java:62)
at com.sun.faces.facelets.impl.DefaultFaceletFactory.getFacelet(DefaultFaceletFactory.java:256)
at com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:366)
at com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:346)
at com.sun.faces.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:199)
at com.sun.faces.facelets.tag.ui.IncludeHandler.apply(IncludeHandler.java:147)
at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHandler(DelegatingMetaTagHandler.java:137)
at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl.apply(ComponentTagHandlerDelegateImpl.java:195)
at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(DelegatingMetaTagHandler.java:120)
at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
at com.sun.faces.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:93)
at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
at com.sun.faces.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:86)
at com.sun.faces.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:152)
at com.sun.faces.application.view.FaceletViewHandlingStrategy.buildView(FaceletViewHandlingStrategy.java:774)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:100)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594)
(...)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930)
at java.lang.Thread.run(Thread.java:662)
另请注意,servlet永远不会被执行。
我的代码有什么问题?
包括可能吗?
我该如何实现它?
问候
谢谢你的回答。我可能会打开一个专门的问题来获取正确的设计信息。现在我关注“包含servlet生成的内容”问题。 :)我无法找到关于此“ui:include”限制的技术信息。我甚至发现有消息称这是可能的。 :/你有关于限制的资料/解释/规格吗? – 2012-07-18 15:34:05
只需检查标记文档:http://docs.oracle.com/javaee/6/javaserverfaces/2.1/docs/vdldocs/facelets/ui/include.html – BalusC 2012-07-18 15:34:48
这就是我所指的来源之一。从这个文档中我明白任何XHTML文件都可以被包含,而不仅仅是facelets。 :'( – 2012-07-18 15:40:03