我試圖在Android上在Jetty上運行澤西島。Android上Jetty上澤西島拋出ContainerException:ResourceConfig實例不包含任何根資源類
我創建了一個使用Jersey Servlet實例化Jetty服務器的Android。無論如何,當我啓動Jetty並訪問REST資源(在我的情況下:http://192.168.1.12:8080/api/hello
),我得到一個帶有消息的ContainerException:ResourceConfig實例不包含任何根資源類。 (請參閱下面的異常堆棧跟蹤)。
任何想法,爲什麼?
更多細節:
logcat的是給下面的SEVER警告。
The following errors and warnings have been detected with resource and/or provider classes:
SEVERE: Missing dependency for field: private java.lang.ThreadLocal com.sun.jersey.server.impl.container.servlet.JSPTemplateProcessor.requestInvoker SEVERE: Missing dependency for field: private java.lang.ThreadLocal com.sun.jersey.server.impl.container.servlet.JSPTemplateProcessor.requestInvoker
這是奇怪的原因java.lang.ThreadLocal中可用於Android和HttpServletRequest和HttpServletResponse的應該是可用,因爲我已經包括libs文件夾中的servlet-API-2.5.jar。
澤西島依賴於一些我必須添加到項目中的javax庫(jaxb-api-2.2.2.jar,jndi-1.2.1.jar,stax-api-1.0-2.jar)並設置--core-library參數臨時忽略關於javax包作爲依賴關係的dex警告。
我也被去除(從球衣芯jar包com.sun.jersey.core.impl.provider.entity RenderedImageProvider,DataSourceProvider,MimeMultipartProvider)以下類,以避免對java.awt中和javax.mail依賴性。
異常跟蹤:
javax.servlet.UnavailableException: com.sun.jersey.api.container.ContainerException: The ResourceConfig instance does not contain any root resource classes.
at org.eclipse.jetty.servlet.ServletHolder.makeUnavailable(ServletHolder.java:409)
at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:450)
at org.eclipse.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:331)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:935)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:404)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:184)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:870)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
at org.eclipse.jetty.server.Server.handle(Server.java:346)
at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:596)
at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1051)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:592)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214)
at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:426)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:520)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:528)
at java.lang.Thread.run(Thread.java:1019)
啓動服務器Android的活動:
public class StartServerActivity extends Activity {
private Server webServer;
private final static String LOG_TAG = "Jetty";
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
System.setProperty("java.net.preferIPv4Stack", "true");
System.setProperty("java.net.preferIPv6Addresses", "false");
webServer = new Server(8080);
ServletHolder servletHolder = new ServletHolder(com.sun.jersey.spi.container.servlet.ServletContainer.class);
servletHolder.setInitParameter("com.sun.jersey.config.property.packages", "com.famenu.server.resources");
ServletContextHandler servletContextHandler = new ServletContextHandler(webServer, "/api", true, false);
servletContextHandler.addServlet(servletHolder, "/hello");
webServer.setHandler(servletContextHandler);
try {
webServer.start();
Log.d(LOG_TAG, "started Web server");
}
catch (Exception e) {
Log.d(LOG_TAG, "unexpected exception starting Web server: " + e);
}
}
}
新澤西資源:
package com.famenu.server.resources;
進口javax.ws.rs.GET; import javax.ws.rs.Path; import javax.ws.rs.Produces;
@Path( 「/」) 公共類HelloResource {
@GET
@Produces("text/plain")
public String getMsg() {
return "Hello Resource";
}
}
我使用碼頭7.3.0.v20110203,新澤西州1.12,Android 1.6的 我趕到直到這點在另一個異常解釋後here
我已經成功地在Android上運行Jersey了! 你可以在這裏找到我所做的:https://github.com/giorgio-zamparelli/jersey-android – Giorgio