嵌入式的Tomcat不提供静态内容 [英] Embedded Tomcat not serving static content

问题描述

我用下面的（基于这个）来创建一个嵌入式Tomcat服务器

I'm using the following (based on this) to create an embedded Tomcat server:

File catalinaHome = new File(".");
File webAppDir = new File("web");

Embedded server = new Embedded();
server.setCatalinaHome(catalinaHome.getAbsolutePath());

Context rootContext = server.createContext("", webAppDir.getAbsolutePath());
rootContext.setParentClassLoader(Thread.currentThread().getContextClassLoader());

Host localHost = server.createHost("localhost", webAppDir.getAbsolutePath());
localHost.addChild(rootContext);

Engine engine = server.createEngine();
engine.setName("localEngine");
engine.addChild(localHost);
engine.setDefaultHost(localHost.getName());
server.addEngine(engine);

Connector http = server.createConnector((InetAddress) null, 8080, false);
server.addConnector(http);

server.setAwait(true);
server.start();

该网站的目录有静态内容（的index.html等）以及与servlet的描述，例如web.xml中WEB-INF目录下。这是开始，无一例外，在web.xml中的工作定义的servlet的，但像index.html的静态内容不工作。

The web directory has static content (index.html, etc.) as well as a WEB-INF directory with servlet descriptors like web.xml. This is starting without exception and the servlets defined in web.xml work, but static content like index.html aren't working.

我很困惑：我缺少什么，以获得静态内容进行处理。

I'm confused: what am I missing to get the static content handled?

推荐答案

您需要定义默认servlet 。这是一个负责提供静态内容。这可以通过在你的webapp的 /WEB-INF/web.xml 相同的方式，Tomcat的自己固定 / conf目录/网页要么明确声明它做的.xml 是干什么的，或者在嵌入式Tomcat的以下声明方式：

You need to define the default servlet. It's the one responsible for serving static content. This can be done by either explicitly declaring it in your webapp's /WEB-INF/web.xml the same way as Tomcat's own regular /conf/web.xml is doing, or in the following declarative manner for embedded Tomcat:

// Define DefaultServlet.
Wrapper defaultServlet = rootContext.createWrapper();
defaultServlet.setName("default");
defaultServlet.setServletClass("org.apache.catalina.servlets.DefaultServlet");
defaultServlet.addInitParameter("debug", "0");
defaultServlet.addInitParameter("listings", "false");
defaultServlet.setLoadOnStartup(1);
rootContext.addChild(defaultServlet);
rootContext.addServletMapping("/", "default");

你可能还喜欢为 JSP的servlet做同样如此你也可以使用的JSP：

You'd probably also like to do the same for the JSP servlet so that you can also use JSPs:

// Define JspServlet.
Wrapper jspServlet = rootContext.createWrapper();
jspServlet.setName("jsp");
jspServlet.setServletClass("org.apache.jasper.servlet.JspServlet");
jspServlet.addInitParameter("fork", "false");
jspServlet.addInitParameter("xpoweredBy", "false");
jspServlet.setLoadOnStartup(2);
rootContext.addChild(jspServlet);
rootContext.addServletMapping("*.jsp", "jsp");

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