我正在尝试开发动态网络项目并将其部署在谷歌应用引擎上。
创建项目后，我确实跑了; run on server
我在eclipse浏览器上遇到了以下问题
HTTP错误：503
Problem accessing /. Reason:
SERVICE_UNAVAILABLE
Powered by Jetty://
package com.example.myproject;
import java.io.IOException;
import javax.servlet.http.*;
@SuppressWarnings("serial")
public class MypfeServlet extends HttpServlet {
public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws IOException {
resp.setContentType("text/plain");
resp.getWriter().println("Hello, world");
}
}
Eclipse控制台的进展：
avr. 08, 2015 1:39:32 PM java.util.prefs.WindowsPreferences <init>
AVERTISSEMENT: Could not open/create prefs root node Software\JavaSoft\Prefs at root 0x80000002. Windows RegCreateKeyEx(...) returned error code 5.
avr. 08, 2015 1:39:34 PM com.google.apphosting.utils.config.AppEngineWebXmlReader readAppEngineWebXml
INFOS: Successfully processed C:\Utilisateurs\azza\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\Mypfe\WEB-INF/appengine-web.xml
avr. 08, 2015 1:39:34 PM com.google.apphosting.utils.config.AbstractConfigXmlReader readConfigXml
INFOS: Successfully processed C:\Utilisateurs\azza\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\Mypfe\WEB-INF/web.xml
avr. 08, 2015 1:39:34 PM com.google.appengine.tools.development.SystemPropertiesManager setSystemProperties
INFOS: Overwriting system property key 'java.util.logging.config.file', value 'D:\prog.util\eclipse\eclipse\eclipse\plugins\com.google.appengine.eclipse.sdkbundle_1.9.18\appengine-java-sdk-1.9.18\config\sdk\logging.properties' with value 'WEB-INF/logging.properties' from 'C:\Utilisateurs\azza\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\Mypfe\WEB-INF\appengine-web.xml'
avr. 08, 2015 1:39:35 PM com.google.apphosting.utils.jetty.JettyLogger info
INFOS: Logging to JettyLogger(null) via com.google.apphosting.utils.jetty.JettyLogger
avr. 08, 2015 1:39:36 PM com.google.apphosting.utils.jetty.JettyLogger info
INFOS: jetty-6.1.x
avr. 08, 2015 1:39:39 PM com.google.apphosting.utils.jetty.JettyLogger warn
AVERTISSEMENT: EXCEPTION
java.lang.ClassNotFoundException: javax.faces.webapp.FacesServlet
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at com.google.appengine.tools.development.IsolatedAppClassLoader.loadClass(IsolatedAppClassLoader.java:216)
at java.lang.ClassLoader.loadClass(Unknown Source)
at org.mortbay.util.Loader.loadClass(Loader.java:91)
at org.mortbay.util.Loader.loadClass(Loader.java:71)
at org.mortbay.jetty.servlet.Holder.doStart(Holder.java:73)
at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:242)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:685)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250)
at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.jetty.Server.doStart(Server.java:224)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:255)
at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:288)
at com.google.appengine.tools.development.AutomaticInstanceHolder.startUp(AutomaticInstanceHolder.java:26)
at com.google.appengine.tools.development.AbstractModule.startup(AbstractModule.java:87)
at com.google.appengine.tools.development.Modules.startup(Modules.java:105)
at com.google.appengine.tools.development.DevAppServerImpl.doStart(DevAppServerImpl.java:258)
at com.google.appengine.tools.development.DevAppServerImpl.access$000(DevAppServerImpl.java:47)
at com.google.appengine.tools.development.DevAppServerImpl$1.run(DevAppServerImpl.java:213)
at com.google.appengine.tools.development.DevAppServerImpl$1.run(DevAppServerImpl.java:211)
at java.security.AccessController.doPrivileged(Native Method)
at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:211)
at com.google.appengine.tools.development.DevAppServerMain$StartAction.apply(DevAppServerMain.java:277)
at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48)
at com.google.appengine.tools.development.DevAppServerMain.run(DevAppServerMain.java:219)
at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMain.java:210)
avr. 08, 2015 1:39:39 PM com.google.appengine.tools.development.ApiProxyLocalImpl log
GRAVE: javax.servlet.ServletContext log: unavailable
javax.servlet.UnavailableException: javax.faces.webapp.FacesServlet
at org.mortbay.jetty.servlet.Holder.doStart(Holder.java:79)
at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:242)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:685)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250)
at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.jetty.Server.doStart(Server.java:224)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:255)
at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:288)
at com.google.appengine.tools.development.AutomaticInstanceHolder.startUp(AutomaticInstanceHolder.java:26)
at com.google.appengine.tools.development.AbstractModule.startup(AbstractModule.java:87)
at com.google.appengine.tools.development.Modules.startup(Modules.java:105)
at com.google.appengine.tools.development.DevAppServerImpl.doStart(DevAppServerImpl.java:258)
at com.google.appengine.tools.development.DevAppServerImpl.access$000(DevAppServerImpl.java:47)
at com.google.appengine.tools.development.DevAppServerImpl$1.run(DevAppServerImpl.java:213)
at com.google.appengine.tools.development.DevAppServerImpl$1.run(DevAppServerImpl.java:211)
at java.security.AccessController.doPrivileged(Native Method)
at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:211)
at com.google.appengine.tools.development.DevAppServerMain$StartAction.apply(DevAppServerMain.java:277)
at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48)
at com.google.appengine.tools.development.DevAppServerMain.run(DevAppServerMain.java:219)
at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMain.java:210)
avr. 08, 2015 1:39:39 PM com.google.apphosting.utils.jetty.JettyLogger warn
AVERTISSEMENT: failed Faces Servlet: java.lang.NullPointerException
avr. 08, 2015 1:39:39 PM com.google.apphosting.utils.jetty.JettyLogger warn
AVERTISSEMENT: Failed startup of context com.google.appengine.tools.development.DevAppEngineWebAppContext@b19476{/,C:\Utilisateurs\azza\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\Mypfe}
java.lang.NullPointerException
at java.lang.Class.isAssignableFrom(Native Method)
at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:256)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:685)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250)
at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.jetty.Server.doStart(Server.java:224)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:255)
at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:288)
at com.google.appengine.tools.development.AutomaticInstanceHolder.startUp(AutomaticInstanceHolder.java:26)
at com.google.appengine.tools.development.AbstractModule.startup(AbstractModule.java:87)
at com.google.appengine.tools.development.Modules.startup(Modules.java:105)
at com.google.appengine.tools.development.DevAppServerImpl.doStart(DevAppServerImpl.java:258)
at com.google.appengine.tools.development.DevAppServerImpl.access$000(DevAppServerImpl.java:47)
at com.google.appengine.tools.development.DevAppServerImpl$1.run(DevAppServerImpl.java:213)
at com.google.appengine.tools.development.DevAppServerImpl$1.run(DevAppServerImpl.java:211)
at java.security.AccessController.doPrivileged(Native Method)
at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:211)
at com.google.appengine.tools.development.DevAppServerMain$StartAction.apply(DevAppServerMain.java:277)
at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48)
at com.google.appengine.tools.development.DevAppServerMain.run(DevAppServerMain.java:219)
at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMain.java:210)
avr. 08, 2015 1:39:40 PM com.google.apphosting.utils.jetty.JettyLogger info
INFOS: Started SelectChannelConnector@127.0.0.1:8888
avr. 08, 2015 1:39:40 PM com.google.appengine.tools.development.JettyContainerService startHotDeployScanner
INFOS: Full scan of the web app in place every 5s.
avr. 08, 2015 1:39:40 PM com.google.appengine.tools.development.AbstractModule startup
INFOS: Module instance default is running at http://localhost:8888/
avr. 08, 2015 1:39:40 PM com.google.appengine.tools.development.AbstractModule startup
INFOS: The admin console is running at http://localhost:8888/_ah/admin
avr. 08, 2015 1:39:40 PM com.google.appengine.tools.development.DevAppServerImpl doStart
INFOS: Dev App Server is now running