2013-01-08 90 views
0

我试图使用Scalatra与AkkaSupport和新引入(2.2.0 RC2)GZipSupport。它失败了,并且在提交错误报告之前,我试图弄清楚我是否做错了什么。该代码是默认了Scalatra /阿卡例子,包括GZipSupport特点:ScalatraServlet与AkkaSupport与GZipSupport

package com.myapp 

import _root_.akka.dispatch._ 
import _root_.akka.actor._ 

import org.scalatra._ 
import org.scalatra.akka.AkkaSupport 

class myappServlet extends ScalatraServlet with AkkaSupport with GZipSupport { 
    implicit val system = ActorSystem() 

    get("/"){ 
    Future { 
     <html><body>Hello Akka</body></html> 
    } 
    } 
} 

,我发现了以下堆栈跟踪:

[ERROR] [01/08/2013 17:41:42.274] [default-akka.actor.default-dispatcher-2] [akka.dispatch.Dispatcher] STREAM 
    java.lang.IllegalStateException: STREAM 
at org.eclipse.jetty.server.Response.getWriter(Response.java:699) 
at org.scalatra.servlet.RichResponse.writer(RichResponse.scala:80) 
at org.scalatra.ScalatraBase$$anonfun$renderPipeline$1.apply(ScalatraBase.scala:301) 
at scala.PartialFunction$$anon$3.apply(PartialFunction.scala:97) 
at scala.PartialFunction$$anon$3.apply(PartialFunction.scala:96) 
at org.scalatra.ScalatraBase$class.loop$1(ScalatraBase.scala:275) 
at org.scalatra.ScalatraBase$class.renderResponseBody(ScalatraBase.scala:277) 
at org.scalatra.ScalatraServlet.renderResponseBody(ScalatraServlet.scala:50) 
at org.scalatra.ScalatraBase$class.renderResponse(ScalatraBase.scala:245) 
at com.myapp.myappServlet.org$scalatra$akka$AkkaSupport$$super$renderResponse(triptaoServlet.scala:9) 
at org.scalatra.akka.AkkaSupport$$anonfun$renderResponse$1$$anonfun$apply$1.apply(AkkaSupport.scala:61) 
at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57) 
at org.scalatra.DynamicScope$class.withResponse(DynamicScope.scala:50) 
at org.scalatra.ScalatraServlet.withResponse(ScalatraServlet.scala:50) 
at org.scalatra.servlet.AsyncSupport$$anonfun$withinAsyncContext$1.apply(AsyncSupport.scala:25) 
at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57) 
at org.scalatra.DynamicScope$class.withRequest(DynamicScope.scala:41) 
at org.scalatra.ScalatraServlet.withRequest(ScalatraServlet.scala:50) 
at org.scalatra.servlet.AsyncSupport$class.withinAsyncContext(AsyncSupport.scala:24) 
at com.myapp.myappServlet.withinAsyncContext(triptaoServlet.scala:9) 
at org.scalatra.akka.AkkaSupport$$anonfun$renderResponse$1.apply(AkkaSupport.scala:58) 
at org.scalatra.akka.AkkaSupport$$anonfun$renderResponse$1.apply(AkkaSupport.scala:56) 
at akka.dispatch.Future$$anonfun$onSuccess$1.apply(Future.scala:484) 
at akka.dispatch.Future$$anonfun$onSuccess$1.apply(Future.scala:483) 
at akka.dispatch.DefaultPromise.akka$dispatch$DefaultPromise$$notifyCompleted(Future.scala:943) 
at akka.dispatch.DefaultPromise$$anonfun$onComplete$1.apply$mcV$sp(Future.scala:937) 
at akka.dispatch.Future$$anon$4$$anonfun$run$1.apply$mcV$sp(Future.scala:386) 
at akka.dispatch.Future$$anon$4$$anonfun$run$1.apply(Future.scala:378) 
at akka.dispatch.Future$$anon$4$$anonfun$run$1.apply(Future.scala:378) 
at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57) 
at akka.dispatch.Future$$anon$4.run(Future.scala:378) 
at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:94) 
at akka.jsr166y.ForkJoinTask$AdaptedRunnableAction.exec(ForkJoinTask.java:1381) 
at akka.jsr166y.ForkJoinTask.doExec(ForkJoinTask.java:259) 
at akka.jsr166y.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:975) 
at akka.jsr166y.ForkJoinPool.runWorker(ForkJoinPool.java:1479) 
at akka.jsr166y.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:104) 

这是一些bug还是我失去了一些东西?提前致谢!

回答

0

这是一个被核心Scalatra开发人员所公认的错误,它在v2.2.1中宣布已修复。