Hi Thibault,
Looks like the docs are out of date.
If you read the compilation error message carefully, you'll notice
Jackson.marshaller is giving you a
|Marshaller<java.lang.Integer,akka.http.javadsl.model.*Request**Entity*>|
while completeWithFuture is expecting a
|akka.http.javadsl.marshalling.Marshaller<T,akka.http.javadsl.model.*HttpResponse*>)|
Instead you, try complet*OK*WithFuture which takes a
|Marshaller<T,akka.http.javadsl.model.*Request**Entity*>|
It's tough to spot the difference and RouteDirectives comes with a lot
of overrides.
I only knew what to look for because this hit me when calling
complete[OK]WithSource on FramedEntityStreamingDirectives which
fortunately only has 2 completeXxx methods
Hope that helps,
Michał
On 29/04/17 21:56, Thibault Meyer wrote:
According
to http://doc.akka.io/docs/akka-http/10.0.5/java/http/common/json-support.html
we have to use
|
akka.http.javadsl.marshallers.jackson.Jackson.marshaller(T.class)
|
But this method does not exists anymore.
|
akka.http.javadsl.marshallers.jackson.Jackson.marshaller()
akka.http.javadsl.marshallers.jackson.Jackson.marshaller(ObjectMappero)
|
Le samedi 29 avril 2017 20:52:12 UTC+2, Thibault Meyer a écrit :
Hello,
I have a blocking operation that I would like to run on the custom
dispatcher. But I can't return completeWithFuture.
I'm using the latest version of Akka Http on Java 8.
|
publicRoutecreateRoute(){
returnroute(
path(PathMatchers.segment("shipment")
.slash(PathMatchers.segment()),trackingNumber ->
get(()->{
finalMessageDispatcherdispatcher
=akkaSystem.dispatchers().lookup("application.dispatcher");
finalCompletionStage<Integer>c
=CompletableFuture.<Integer>supplyAsync(()->666,dispatcher);
returncompleteWithFuture(c,Jackson.<Integer>marshaller());
}))
)
);
}
|
I get the following compilation error :
|
method
akka.http.javadsl.server.directives.RouteDirectives.<T>completeWithFuture(scala.concurrent.Future<T>,akka.http.javadsl.marshalling.Marshaller<T,akka.http.javadsl.model.HttpResponse>)isnotapplicable
(cannot infer type-variable(s)T
(argument
mismatch;java.util.concurrent.CompletionStage<java.lang.Integer>cannot
be converted to scala.concurrent.Future<T>))
method
akka.http.javadsl.server.directives.RouteDirectives.<T>completeWithFuture(java.util.concurrent.CompletionStage<T>,akka.http.javadsl.marshalling.Marshaller<T,akka.http.javadsl.model.HttpResponse>)isnotapplicable
(cannot infer type-variable(s)T
(argument
mismatch;akka.http.javadsl.marshalling.Marshaller<java.lang.Integer,akka.http.javadsl.model.RequestEntity>cannot
be converted to
akka.http.javadsl.marshalling.Marshaller<T,akka.http.javadsl.model.HttpResponse>))
|
Thanks
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