ModelResolutionException with vert.x

[Lucien Garin]

I've written a very simple verticle using vert.x 3.2.2 and celyon 1.2.2 and I get the following error at runtime:
com.redhat.ceylon.model.loader.ModelResolutionException: Failed to load declaration [ReflectionClass: class io.vertx.ceylon.web.RoutingContext]: Failed to load methods in io.vertx.ceylon.web.RoutingContext

In order to reproduce this issue, you can use the following code:

import io.vertx.ceylon.core { Verticle, vertxFactory = vertx }
import io.vertx.ceylon.web { routerFactory = router, RoutingContext }
import io.vertx.ceylon.web.handler { loggerHandler }
import ceylon.language.meta.declaration { Module }

shared class HttpServerVerticle() extends Verticle() {
   
    void requestHandler(RoutingContext routingContext) {
        value response = routingContext.response();
        response.putHeader("content-type", "text/plain");
        response.end("Hello World");
    }
   
    shared actual void start() {
        value router = routerFactory.router(vertx);
        router.get().handler(loggerHandler.create().handle);
        router.get("/").handler(requestHandler);
        value server = vertx.createHttpServer();
        server.requestHandler(router.accept).listen(8080);
    }
}

void runModuleVerticle(Module mod) {
    value container = vertxFactory.vertx();
    container.deployVerticle("ceylon:``mod.name``/``mod.version``", (String|Throwable ar) {
        if (is String ar) {
            print("Deployed ``mod.name``");
        } else {
            print("``mod.name`` deploy failure:");
            ar.printStackTrace();
        }
    });
}

shared void run() {
    runModuleVerticle(`module`);
}


In order to fix this issue, I must inline the request handler definition:
        ...
        router.get("/").handler {
            void requestHandler(RoutingContext routingContext) {
                value response = routingContext.response();
                response.putHeader("content-type", "text/plain");
                response.end("Hello World");
            }
        };
        ...

The issue 4558 looks very similar to this problem, but this issue has been closed. What am I doing wrong?

I really appreciate any help you can provide.

Lucien

[Alex Aguinore]

Hello!

I have the same issue when I run vertx project from Eclipse. There are two strange facts: first, the project runs from console without any problem, second, the project ran without problem about a month ago, when I last worked with it. There were little changes made by my cooleagues, but still I can't understand why Eclipse can't run it.

[Stephane Epardaud]

That's weird because in theory Eclipse and the CLI use the same JBoss Modules runner. Can you report a bug in the Eclipse IDE with a test case we can use?

Thanks, cheers.

On 22 August 2016 at 11:58, Alex Aguinore <agui...@gmail.com> wrote:

Hello!

I have the same issue when I run vertx project from Eclipse. There are two strange facts: first, the project runs from console without any problem, second, the project ran without problem about a month ago, when I last worked with it. There were little changes made by my cooleagues, but still I can't understand why Eclipse can't run it.

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Stéphane Épardaud

[Stephane Epardaud]

Hi,

Sorry for the late answer, I must have missed that mail. Do you still have that issue?

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Stéphane Épardaud

[Alex Aguinore]

done https://github.com/ceylon/ceylon-ide-eclipse/issues/1820

On Monday, August 22, 2016 at 1:02:59 PM UTC+3, Stéphane Épardaud wrote:

That's weird because in theory Eclipse and the CLI use the same JBoss Modules runner. Can you report a bug in the Eclipse IDE with a test case we can use?

Thanks, cheers.

--

Stéphane Épardaud

[Alex Aguinore]

I made a mistake: vertx run ceylon:my.module/1.0.0 works from CLI, but ceylon run my.module/1.0.0 throws error described above.

[Stephane Epardaud]

Thanks

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Stéphane Épardaud

[Stephane Epardaud]

Oh, then that is another story, can you close your issue and reopen it on https://github.com/ceylon/ceylon/issues/new please? Thanks!

On 22 August 2016 at 14:32, Alex Aguinore <agui...@gmail.com> wrote:

I made a mistake: vertx run ceylon:my.module/1.0.0 works from CLI, but ceylon run my.module/1.0.0 throws error described above.

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Stéphane Épardaud

[Alex Aguinore]

sorry for misleading, new issue: https://github.com/ceylon/ceylon/issues/6442

On Monday, August 22, 2016 at 3:41:14 PM UTC+3, Stéphane Épardaud wrote:

Oh, then that is another story, can you close your issue and reopen it on https://github.com/ceylon/ceylon/issues/new please? Thanks!

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Stéphane Épardaud

[Stephane Epardaud]

NP, thanks.

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Stéphane Épardaud