This still doesn't work. I can't use the new RPC system in GWT 2.0 with
AppEngine. I would love to get an idea if this is intended, and the new RPC
system will not work with AppEngine, or if this is a bug that can be
filed/tracked.

....
Kabe


On Sat, Nov 21, 2009 at 9:23 AM, Tristan <tristan.slomin...@gmail.com>wrote:

> in case this is the problem, the -server argument is:
>
> -server com.google.appengine.tools.development.gwt.AppEngineLauncher
>
> On Nov 21, 9:39 am, Tristan <tristan.slomin...@gmail.com> wrote:
> > Don't know if it is the same problem.. but are you initializing GAE to
> > run in your application configuration? I couldn't get server side to
> > work because when configuring a custom Java Application Configuration,
> > since Web Application doesn't work with GWT 2.0 because it is now
> > DevMode and not HostedMode. To get GAE up, we need to pass a "-server"
> > argument so that GAE runs instead of plain old Jetty. I haven't gotten
> > an answer from anyone what that -server argument should be.
> >
> > Tristan
> >
> > On Nov 18, 11:01 pm, Kabe <kabr...@robichaux.com> wrote:
> >
> > > I'm trying to use deRPC of GWT 2.0 RC1 on App Engine and i'm getting
> > > the following exception. Is this because sun.misc.Unsafe is
> > > unavailable on App Engine (i'm not sure it isn't, but it seems
> > > possible)? Seems strange that GWT 2.0 RPC would not work on App
> > > Engine. Did i fail to configure something correctly or is this an
> > > intended incompatibility with App Engine?
> >
> > > javax.servlet.ServletContext log: Exception while dispatching incoming
> > > RPC call
> > > java.lang.ExceptionInInitializerError
> > >         at com.google.gwt.rpc.server.RPC.decodeRequest(RPC.java:158)
> > >         at
> com.google.gwt.rpc.server.RpcServlet.processCall(RpcServlet.java:
> > > 141)
> > >         at
> com.google.gwt.rpc.server.RpcServlet.processPost(RpcServlet.java:
> > > 203)
> > >         at
> com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost
> > > (AbstractRemoteServiceServlet.java:62)
> > >         at javax.servlet.http.HttpServlet.service(HttpServlet.java:713)
> > >         at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> > >         at
> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:
> > > 487)
> > >         at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter
> > > (ServletHandler.java:1093)
> > >         at
> com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter
> > > (SaveSessionFilter.java:35)
> > >         at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter
> > > (ServletHandler.java:1084)
> > >         at
> > > com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter
> > > (TransactionCleanupFilter.java:43)
> > >         at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter
> > > (ServletHandler.java:1084)
> > >         at org.mortbay.jetty.servlet.ServletHandler.handle
> > > (ServletHandler.java:360)
> > >         at org.mortbay.jetty.security.SecurityHandler.handle
> > > (SecurityHandler.java:216)
> > >         at org.mortbay.jetty.servlet.SessionHandler.handle
> > > (SessionHandler.java:181)
> > >         at org.mortbay.jetty.handler.ContextHandler.handle
> > > (ContextHandler.java:712)
> > >         at
> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:
> > > 405)
> > >         at
> com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle
> > > (AppVersionHandlerMap.java:238)
> > >         at org.mortbay.jetty.handler.HandlerWrapper.handle
> > > (HandlerWrapper.java:139)
> > >         at org.mortbay.jetty.Server.handle(Server.java:313)
> > >         at
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
> > > 506)
> > >         at
> org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete
> > > (HttpConnection.java:830)
> > >         at
> com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable
> > > (RpcRequestParser.java:76)
> > >         at
> org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
> > >         at
> > >
> com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest
> > > (JettyServletEngineAdapter.java:139)
> > >         at com.google.apphosting.runtime.JavaRuntime.handleRequest
> > > (JavaRuntime.java:239)
> > >         at com.google.apphosting.base.RuntimePb$EvaluationRuntime
> > > $6.handleBlockingRequest(RuntimePb.java:5135)
> > >         at com.google.apphosting.base.RuntimePb$EvaluationRuntime
> > > $6.handleBlockingRequest(RuntimePb.java:5133)
> > >         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$2.run(Server.java:814)
> > >         at com.google.tracing.LocalTraceSpanRunnable.run
> > > (LocalTraceSpanRunnable.java:56)
> > >         at
> com.google.tracing.LocalTraceSpanBuilder.internalContinueSpan
> > > (LocalTraceSpanBuilder.java:516)
> > >         at com.google.net.rpc.impl.Server.startRpc(Server.java:769)
> > >         at
> com.google.net.rpc.impl.Server.processRequest(Server.java:351)
> > >         at com.google.net.rpc.impl.ServerConnection.messageReceived
> > > (ServerConnection.java:437)
> > >         at com.google.net.rpc.impl.RpcConnection.parseMessages
> > > (RpcConnection.java:319)
> > >         at com.google.net.rpc.impl.RpcConnection.dataReceived
> > > (RpcConnection.java:290)
> > >         at
> com.google.net.async.Connection.handleReadEvent(Connection.java:
> > > 436)
> > >         at com.google.net.async.EventDispatcher.processNetworkEvents
> > > (EventDispatcher.java:762)
> > >         at com.google.net.async.EventDispatcher.internalLoop
> > > (EventDispatcher.java:207)
> > >         at
> com.google.net.async.EventDispatcher.loop(EventDispatcher.java:
> > > 101)
> > >         at com.google.net.rpc.RpcService.runUntilServerShutdown
> > > (RpcService.java:251)
> > >         at com.google.apphosting.runtime.JavaRuntime$RpcRunnable.run
> > > (JavaRuntime.java:396)
> > >         at java.lang.Thread.run(Unknown Source)
> > > Caused by: java.lang.RuntimeException: Unable to get Unsafe instance
> > >         at com.google.gwt.rpc.server.CommandSerializationUtil.<clinit>
> > > (CommandSerializationUtil.java:443)
> > >         ... 45 more
> > > Caused by: java.lang.NoSuchFieldException: theUnsafe
> > >         at
> com.google.appengine.runtime.Request.process-c17519ba124c1455
> > > (Request.java)
> > >         at java.lang.Class.getDeclaredField(Class.java:158)
> > >         at com.google.gwt.rpc.server.CommandSerializationUtil.<clinit>
> > > (CommandSerializationUtil.java:430)
> > >         ... 45 more
> >
> >
>
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