Hii
I m facing same problem.
I've jst deployed a new application with a single servlet to fulfill
all request.
but when I deploy it using eclipse plugin. It show the error trace
Is ther any work arround/ solution for this problem??
#
02-09 04:15AM 00.289 / 500 999ms 505cpu_ms 0kb Mozilla/5.0 (X11; U;
Linux i686; en-US; rv:1.9.0.7) Gecko/2009022007 Red Hat/3.0.7-1.el4
Firefox/3.0.7 GTB7.0,gzip(gfe)
See details
220.227.161.170 - - [09/Feb/2010:04:15:01 -0800] "GET / HTTP/1.1" 500
0 - "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.7) Gecko/
2009022007 Red Hat/3.0.7-1.el4 Firefox/3.0.7 GTB7.0,gzip(gfe)"
"mywtapp.appspot.com"
#
W 02-09 04:15AM 01.250
EXCEPTION
java.lang.ClassNotFoundException: rnd.webapp.mwt.server.ARBImpl
at
com.google.appengine.runtime.Request.process-5f37b4637b91afa0(Request.java)
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:
233)
at
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:
40)
at
org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:
612)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:139)
at
org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:
1218)
at
org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:
500)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:
448)
at
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:
40)
at
om.google.apphosting.runtime.jetty.AppVersionHandlerMap.createHandler(AppVersionHandlerMap.java:
191)
at
com.google.apphosting.runtime.jetty.AppVersionHandlerMap.getHandler(AppVersionHandlerMap.java:
168)
at
com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:
123)
at
com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java:
235)
at com.google.apphosting.base.RuntimePb$EvaluationRuntime
$6.handleBlockingRequest(RuntimePb.java:5485)
at om.google.apphosting.base.RuntimePb$EvaluationRuntime
$6.handleBlockingRequest(RuntimePb.java:5483)
at
com.google.net.rpc.impl.BlockingApplicationHandler.handleRequest(BlockingApplicationHandler.java:
24)
at com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:
363)
at com.google.net.rpc.impl.Server$2.run(Server.java:837)
at
com.google.tracing.LocalTraceSpanRunnable.run(LocalTraceSpanRunnable.java:
56)
at
com.google.tracing.LocalTraceSpanBuilder.internalContinueSpan(LocalTraceSpanBuilder.java:
536)
at com.google.net.rpc.impl.Server.startRpc(Server.java:792)
at com.google.net.rpc.impl.Server.processRequest(Server.java:367)
at
com.google.net.rpc.impl.ServerConnection.messageReceived(ServerConnection.java:
448)
at
com.google.net.rpc.impl.RpcConnection.parseMessages(RpcConnection.java:
319)
at
com.google.net.rpc.impl.RpcConnection.dataReceived(RpcConnection.java:
290)
at com.google.net.async.Connection.handleReadEvent(Connection.java:
474)
at
com.google.net.async.EventDispatcher.processNetworkEvents(EventDispatcher.java:
774)
at
com.google.net.async.EventDispatcher.internalLoop(EventDispatcher.java:
205)
at com.google.net.async.EventDispatcher.loop(EventDispatcher.java:
101)
at
com.google.net.rpc.RpcService.runUntilServerShutdown(RpcService.java:
251)
at com.google.apphosting.runtime.JavaRuntime
$RpcRunnable.run(JavaRuntime.java:394)
at java.lang.Thread.run(Unknown Source)
On Jan 22, 6:00 pm, ninjatux <[email protected]> wrote:
> Hi all,
>
> i'm trying to use google app engine to build my first apps using java.
> i'm new to java but i would like to use app engine to train myself for
> web app developing.
>
> i've got some issues using the users services.
>
> these are my servlets:
>
> /*
> * TestingUsers.java
> */
> package mytrainingapp;
>
> import java.io.IOException;
> import javax.servlet.http.HttpServlet;
> import javax.servlet.http.HttpServletRequest;
> import javax.servlet.http.HttpServletResponse;
> import com.google.appengine.api.users.UserService;
> import com.google.appengine.api.users.UserServiceFactory;
>
> public class TestingUsers extends HttpServlet {
> public void doGet(HttpServletRequest req, HttpServletResponse resp)
> throws IOException {
>
> UserService userService = UserServiceFactory.getUserService();
> String newline = System.getProperty("line.separator");
> String data = req.getParameter("date");
> String nick = req.getUserPrincipal().getName();
> resp.setContentType("text/plain");
> resp.getWriter().println("I parametri da te inviati sono:" +
> newline
> + " data: " + data + newline + " nick: " + nick);
> }
>
> }
>
> /*
> * CatchParameter.java
> */
> package mytrainingapp;
>
> import java.io.IOException;
> import javax.servlet.http.HttpServlet;
> import javax.servlet.http.HttpServletRequest;
> import javax.servlet.http.HttpServletResponse;
>
> public class CatchParameter extends HttpServlet {
> public void doGet(HttpServletRequest req, HttpServletResponse resp)
> throws IOException {
> String newline = System.getProperty("line.separator");
> String data = req.getParameter("date");
> resp.setContentType("text/plain");
> resp.getWriter().println("I parametri da te inviati sono:" +
> newline
> + " data: " + data);
> }
>
> }
>
> /*
> * CalendarServlet.java
> */
> package mytrainingapp;
>
> import java.io.IOException;
> import javax.servlet.http.*;
> import java.util.*;
> import java.text.DateFormat;
> import java.text.SimpleDateFormat;
>
> public class CalendarServlet extends HttpServlet {
>
> public void doGet(HttpServletRequest req, HttpServletResponse resp)
> throws IOException {
> String newline = System.getProperty("line.separator");
> resp.setContentType("text/calendar");
> String startVCard = "BEGIN:VCALENDAR" + newline +
> "VERSION:2.0" +
> newline + "CALSCALE:GREGORIAN" + newline + "METHOD:PUBLISH" + newline
> + "X-WR-CALNAME:Time Tracker" + newline + "X-WR-TIMEZONE:UTC" +
> newline + "X-WR-CALDESC:Time tracking utility - Vidiemme.it" +
> newline;
> String endVCard = "END:VCALENDAR";
> String events = "";
> for(int i = 1; i <= 31; i++){
> String day;
> if(i < 10){
> day = "0" + i;
> } else {
> day = "" + i;
> }
> String dayAfter;
> int z;
> if(i < 9){
> z = i + 1;
> dayAfter = "0" + z;
> }else{
> z = i + 1;
> dayAfter = "" + z;
> }
> events = events + "BEGIN:VEVENT" + newline +
> "DTSTART;VALUE=DATE:201001" + day + newline +
> "DTEND;VALUE=DATE:201001" + dayAfter + newline +
> "SUMMARY:Time Tracking giorno 201001" + day + newline +
> "ATTENDEE;CUTYPE=INDIVIDUAL;ROLE=REQ-
> PARTICIPANT;PARTSTAT=ACCEPTED;CN=Time tracking utility - Vidiemme.it;X-
> NUM-GUEST=0" + newline +
>
> "X-GOOGLE-CALENDAR-CONTENT-ICON:http://vidiemmeit.appspot.com/
> favicon.ico" + newline +
>
> "X-GOOGLE-CALENDAR-CONTENT-URL:http://vidiemmeit.appspot.com/
> catchparameter?date=" + "201002" + day + newline +
> "X-GOOGLE-CALENDAR-CONTENT-TYPE:text/html" + newline +
> "X-GOOGLE-CALENDAR-CONTENT-WIDTH:330" + newline +
> "X-GOOGLE-CALENDAR-CONTENT-HEIGHT:100" + newline +
> "CLASS:PUBLIC" + newline +
> "CREATED:20100101T000000Z" + newline +
> "LAST-MODIFIED:20100101T000000Z" + newline +
> "RRULE:FREQ=YEARLY" + newline +
> "SEQUENCE:1" + newline +
> "STATUS:CONFIRMED" + newline +
> "END:VEVENT" + newline;
> }
> resp.getWriter().println(startVCard + events + endVCard);
> }
>
> }
>
> /*
> * web.xml
> */
> <?xml version="1.0" encoding="utf-8"?>
> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xmlns="http://java.sun.com/xml/ns/javaee"; version="2.5">
> <servlet>
> <servlet-name>calendar</servlet-name>
> <servlet-class>mytrainingapp.CalendarServlet</servlet-class>
> </servlet>
> <servlet>
> <servlet-name>catchparameter</servlet-name>
> <servlet-class>mytrainingapp.CatchParameter</servlet-class>
> </servlet>
> <servlet>
> <servlet-name>testingusers</servlet-name>
> <servlet-class>mytrainingapp.TestingUsers</servlet-class>
> </servlet>
> <servlet-mapping>
> <servlet-name>calendar</servlet-name>
> <url-pattern>/calendar</url-pattern>
> </servlet-mapping>
> <servlet-mapping>
> <servlet-name>catchparameter</servlet-name>
> <url-pattern>/catchparameter</url-pattern>
> </servlet-mapping>
> <servlet-mapping>
> <servlet-name>testingusers</servlet-name>
> <url-pattern>/testingusers</url-pattern>
> </servlet-mapping>
> <welcome-file-list>
> <welcome-file>index.html</welcome-file>
> </welcome-file-list>
> </web-app>
>
> <?xml version="1.0" encoding="utf-8"?>
> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xmlns="http://java.sun.com/xml/ns/javaee"; version="2.5">
> <servlet>
> <servlet-name>calendar</servlet-name>
> <servlet-class>vidiemmeit.CalendarServlet</servlet-class>
> </servlet>
> <servlet>
> <servlet-name>catchparameter</servlet-name>
> <servlet-class>vidiemmeit.CatchParameter</servlet-class>
> </servlet>
> <servlet>
> <servlet-name>testingusers</servlet-name>
> <servlet-class>vidiemmeit.TestingUsers</servlet-class>
> </servlet>
> <servlet-mapping>
> <servlet-name>calendar</servlet-name>
> <url-pattern>/calendar</url-pattern>
> </servlet-mapping>
> <servlet-mapping>
> <servlet-name>catchparameter</servlet-name>
> <url-pattern>/catchparameter</url-pattern>
> </servlet-mapping>
> <servlet-mapping>
> <servlet-name>testingusers</servlet-name>
> <url-pattern>/testingusers</url-pattern>
> </servlet-mapping>
> <welcome-file-list>
> <welcome-file>index.html</welcome-file>
> </welcome-file-list>
> </web-app>
>
> And this is the stacktrace i receive requesting any page:
>
> 01-22 04:55AM 35.504 /testingusers 500 159ms 194cpu_ms 0kb Mozilla/5.0
> (Macintosh; U; Intel Mac OS X 10_6_2; en-US) AppleWebKit/532.5 (KHTML,
> like Gecko) Chrome/4.0.249.49 Safari/532.5,gzip(gfe)
> 93.62.0.133 - - [22/Jan/2010:04:55:35 -0800] "GET /testingusers HTTP/
> 1.1" 500 0 - "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_2; en-US)
> AppleWebKit/532.5 (KHTML, like Gecko) Chrome/4.0.249.49 Safari/
> 532.5,gzip(gfe)" "mytrainingapp.appspot.com"
> W 01-22 04:55AM 35.648
> EXCEPTION
> java.lang.ClassNotFoundException: mytrainingapp.TestingUsers
> at com.google.appengine.runtime.Request.process-8622395adffc5319
> (Request.java)
> 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:
> 233)
> at org.mortbay.component.AbstractLifeCycle.start
> (AbstractLifeCycle.java:40)
> at org.mortbay.jetty.servlet.ServletHandler.initialize
> (ServletHandler.java:612)
> at org.mortbay.jetty.servlet.Context.startContext(Context.java:139)
> at org.mortbay.jetty.webapp.WebAppContext.startContext
> (WebAppContext.java:1218)
> at org.mortbay.jetty.handler.ContextHandler.doStart
> (ContextHandler.java:500)
> at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:
> 448)
> at org.mortbay.component.AbstractLifeCycle.start
> (AbstractLifeCycle.java:40)
> at
> com.google.apphosting.runtime.jetty.AppVersionHandlerMap.createHandler
> (AppVersionHandlerMap.java:191)
> at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.getHandler
> (AppVersionHandlerMap.java:168)
> at
> com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest
> (JettyServletEngineAdapter.java:123)
> at com.google.apphosting.runtime.JavaRuntime.handleRequest
> (JavaRuntime.java:235)
> at com.google.apphosting.base.RuntimePb$EvaluationRuntime
> $6.handleBlockingRequest(RuntimePb.java:5235)
> at com.google.apphosting.base.RuntimePb$EvaluationRuntime
> $6.handleBlockingRequest(RuntimePb.java:5233)
> at com.google.net.rpc.impl.BlockingApplicationHandler.handleRequest
> (BlockingApplicationHandler.java:24)
> at com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:
> 363)
> at com.google.net.rpc.impl.Server$2.run(Server.java:838)
> at com.google.tracing.LocalTraceSpanRunnable.run
> (LocalTraceSpanRunnable.java:56)
> at com.google.tracing.LocalTraceSpanBuilder.internalContinueSpan
> (LocalTraceSpanBuilder.java:536)
> at com.google.net.rpc.impl.Server.startRpc(Server.java:793)
> at com.google.net.rpc.impl.Server.processRequest(Server.java:368)
> at com.google.net.rpc.impl.ServerConnection.messageReceived
> (ServerConnection.java:448)
> at com.google.net.rpc.impl.RpcConnection.parseMessages
> (RpcConnection.java:319)
> at com.google.net.rpc.impl.RpcConnection.dataReceived
> (RpcConnection.java:290)
> at com.google.net.async.Connection.handleReadEvent(Connection.java:
> 466)
> at com.google.net.async.EventDispatcher.processNetworkEvents
> (EventDispatcher.java:759)
> at com.google.net.async.EventDispatcher.internalLoop
> (EventDispatcher.java:205)
> at com.google.net.async.EventDispatcher.loop(EventDispatcher.java:
> 101)
> at com.google.net.rpc.RpcService.runUntilServerShutdown
> (RpcService.java:251)
> at com.google.apphosting.runtime.JavaRuntime$RpcRunnable.run
> (JavaRuntime.java:394)
> at java.lang.Thread.run(Unknown Source)
> W 01-22 04:55AM 35.649
> failed testingusers
> javax.servlet.UnavailableException: mytrainingapp.TestingUsers
> at org.mortbay.jetty.servlet.Holder.doStart(Holder.java:79)
> at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:
> 233)
> at org.mortbay.component.AbstractLifeCycle.start
> (AbstractLifeCycle.java:40)
> at org.mortbay.jetty.servlet.ServletHandler.initialize
> (ServletHandler.java:612)
> at org.mortbay.jetty.servlet.Context.startContext(Context.java:139)
> at org.mortbay.jetty.webapp.WebAppContext.startContext
> (WebAppContext.java:1218)
> at org.mortbay.jetty.handler.ContextHandler.doStart
> (ContextHandler.java:500)
> at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:
> 448)
> at
> ...
>
> read more »
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