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When using a relative path to a file inside a then()-block, I get always a FileNotFoundException from vertx. Here is a small example:

    FileProps fileProps = vertx.fileSystem.propsSync("test.html");

"test.html" is beneath "resources". This code works outside of a then()-block, but not inside. I have to use an absolute path to get it working. (vertx 2.1.5 and vertx-when 3.0.1)

I'm planning to use this library in a project in my organization. Is it still maintained?

I was not able to find a version of vertx-when available in a public Maven repository. Thus, I cloned the project and built it locally. To build it I had to switch from Java 7 to Java 8, which I did. The project is installed locally as "com.englishtown.vertx:vertx-when:4.0.0-SNAPSHOT".

I added this statement to my build.gradle:
compile "com.englishtown.vertx:vertx-when:4.0.0-SNAPSHOT"

I am able to run 'gradle install' or 'gradle fatjar' for my Vert.x applicationwritten in Groovy without any problems.

Here is the code, which gives me trouble:

package test
import org.vertx.groovy.core.eventbus.Message
import org.vertx.groovy.platform.Verticle
import org.vertx.java.core.Future
import com.englishtown.promises.WhenFactory
import com.englishtown.vertx.promises.WhenVertx
import com.englishtown.promises.When
import com.englishtown.vertx.promises.impl.DefaultWhenVertx

class ApplicationVerticle extends Verticle {

    def start(Future startedResult) {
        def config = container.config

        When when = WhenFactory.createSync();
        WhenVertx whenContainer = new DefaultWhenVertx(vertx, when);
        ...

I get a runtime error when trying to run either the ApplicationVerticle or the entire module.
On line When when = WhenFactory.createSync(); I get this error:

java.lang.NoClassDefFoundError: javax/inject/Provider

I found your post suggesting adding this line to Vert.x langs.properties

groovy=com.englishtown~vertx-mod-hk2~1.7.0:com.englishtown.vertx.hk2.HK2VerticleFactory

Adding this line causes another error when I try to run the Verticle (it has no effect on the module):

java.lang.NoClassDefFoundError: org/vertx/groovy/platform/Verticle

What is the proper way of integrating vertx-when with a Vert.x application?

I am using 3.0.1 version of vertx-when with Vertx 2.1.5. What is the proper way to use WhenHttpClient to

• Set HTTP headers
• Send POST body

Neither the documentation, nor the source code make it clear. I could not find a place in the code where headers or requestBody can be passed in or where they would be added to the HttpClientRequest object.