The line numbers doesn't match 2.5-M2.
See
https://github.com/akka/akka/blob/v2.5-M2/akka-stream/src/main/scala/akka/stream/stage/GraphStage.scala#L142
It looks like you are using 2.4.17 of akka-stream
See
https://github.com/akka/akka/blob/v2.4.17/akka-stream/src/main/scala/akka/stream/stage/GraphStage.scala#L142
On Tue, Mar 7, 2017 at 10:49 PM, Rob Crawford wrote:
> From my understanding of the binary compatibility statement, these should
> work together, but after I start an Akka-http server, I get this exception:
>
> java.lang.NoSuchMethodError: akka.actor.ActorCell.addFunctionRef(Lscala/
> Function2;)Lakka/actor/FunctionRef;
> at akka.stream.stage.GraphStageLogic$StageActor.<
> init>(GraphStage.scala:142)
> at akka.stream.stage.GraphStageLogic.getStageActor(GraphStage.scala:929)
> ...
>
> Now, I'm starting this from inside an actor, but didn't think that would
> be an issue. I've tried starting the Http server from main(), but it throws
> the same exception. To start it, I'm doing this:
>
> ActorSystem system = getContext().system();
>
>
> final HttpBinding myServer = new HttpBinding();
> myServer.startServer("localhost", 8080, ServerSettings.create(system),
> system);
>
>
> The HttpBinding class is:
>
>
> public class HttpBinding extends HttpApp {
>
> protected Route route() {
> return path("hello", () ->
> get(() ->
> complete("Say hello to akka-http")
> )
> );
> }
> }
>
>
> I've checked the dependencies, and nothing's brought in an older version of
> akka. I'm using the Scala 2.12 versions of everything. From my build.gradle:
>
>
> compile group: 'com.typesafe.akka', name: 'akka-actor_2.12', version: '2.5-M2'
> compile group: 'com.typesafe.akka', name: 'akka-persistence_2.12', version:
> '2.5-M2'
> compile group: 'com.typesafe.akka', name: 'akka-slf4j_2.12', version: '2.5-M2'
>
> compile group: 'com.typesafe.akka', name: 'akka-http_2.12', version: '10.0.4'
>
>
> The only place I've seen a similar exception discussed was a StackOverflow
> question that involved Play, and I'm not using Play. Any suggestions on
>
> where to look for the problem? Or should I just wait for the final release of
> Akka 2.5 and Akka-Http to catch up?
>
>
> Thanks!
>
>
> --
> >> Read the docs: http://akka.io/docs/
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--
Patrik Nordwall
Akka Tech Lead
Lightbend - Reactive apps on the JVM
Twitter: @patriknw
--
>> Read the docs: http://akka.io/docs/
>> Check the FAQ:
>> http://doc.akka.io/docs/akka/current/additional/faq.html
>> Search the archives: https://groups.google.com/group/akka-user
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