No configuration setting found for key 'akka'

[elgaz]

Hi

I'm starting up an embedded ElasticMQ server from a simple Groovy script:

class Deployer{
     static void main(String... args) {
        new Deployer().deploy()
    }
    void deploy(String version, String feature) {
        //Restart ElasticMQ
        println("Starting ElasticMq...")
        SQSRestServerBuilder.start()
        println("ElasticMq launched")
        .....
  }
}

There is no custom configuration.  When I run this from my IntelliJ, the server starts up with no problem.  When I execute the class from Maven using the GMaven plugin, I'm getting an error:

com.typesafe.config.ConfigException$Missing: No configuration setting found for key 'akka'

at com.typesafe.config.impl.SimpleConfig.findKey(SimpleConfig.java:124)
    at com.typesafe.config.impl.SimpleConfig.find(SimpleConfig.java:147)
    at com.typesafe.config.impl.SimpleConfig.find(SimpleConfig.java:159)
    at com.typesafe.config.impl.SimpleConfig.find(SimpleConfig.java:164)
    at com.typesafe.config.impl.SimpleConfig.getString(SimpleConfig.java:206)
    at akka.actor.ActorSystem$Settings.<init>(ActorSystem.scala:169)
    at akka.actor.ActorSystemImpl.<init>(ActorSystem.scala:505)
    at akka.actor.ActorSystem$.apply(ActorSystem.scala:142)
    at akka.actor.ActorSystem$.apply(ActorSystem.scala:109)
    at org.elasticmq.rest.sqs.TheSQSRestServerBuilder$$anonfun$getOrCreateActorSystem$2.apply(SQSRestServerBuilder.scala:172)
    at org.elasticmq.rest.sqs.TheSQSRestServerBuilder$$anonfun$getOrCreateActorSystem$2.apply(SQSRestServerBuilder.scala:171)
    at scala.Option.getOrElse(Option.scala:121)
    at org.elasticmq.rest.sqs.TheSQSRestServerBuilder.getOrCreateActorSystem(SQSRestServerBuilder.scala:171)
    at org.elasticmq.rest.sqs.TheSQSRestServerBuilder.start(SQSRestServerBuilder.scala:81)

I'm not familiar with Scala or the concept of Actor Systems in this context, but I do see that the SQSRestServerBuilder assumes a default Actor System of 'akka'.

GMaven is configured as follows.  The Deployer script launches several more complex services.  ElasticMQ should be the simplest, but I just cannot get it to work!

            <plugin>
                <groupId>org.codehaus.groovy.maven</groupId>
                <artifactId>gmaven-plugin</artifactId>
                <version>1.0</version>
                <dependencies>
                    <dependency>
                        <groupId>org.apache.ant</groupId>
                        <artifactId>ant-jsch</artifactId>
                        <version>1.9.0</version>
                    </dependency>
                    <dependency>
                        <groupId>com.jcraft</groupId>
                        <artifactId>jsch</artifactId>
                        <version>0.1.51</version>
                    </dependency>
                </dependencies>
                <executions>
                    <execution>
                        <id>deploy-to-fuse</id>
                        <phase>pre-integration-test</phase>
                        <goals>
                            <goal>execute</goal>
                        </goals>
                        <configuration>
                            <scriptpath>
                                <element>src/test/java</element>
                            </scriptpath>
                            <source>
                                Deployer.main("${project.parent.version}","ds-all")
                            </source>
                        </configuration>
                    </execution>
                </executions>
            </plugin>

Does anyone have any idea why this may be failing in my Maven execution?

Many thanks

[Adam Warski]

In the jar files of elastimq and akka there are “reference.conf” files with the default configuration.

I think for some reason Maven/GMaven removes them from the classpath - hence the exception.

I’m not sure if I can help any further, as I’m not familiar with such setup.

Adam

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[cscan]

What's actually happening is that maven is overwriting akka's reference.conf with elasticmq's reference.conf.

I don't use GMaven but I do use Maven Shade. Here's an example plugin conf that appends these reference.confs instead of overwriting them:

<plugin>

    <groupId>org.apache.maven.plugins</groupId>

    <artifactId>maven-shade-plugin</artifactId>

    <version>2.4.2</version>

    <executions>

        <execution>

            <phase>package</phase>

            <goals>

                <goal>shade</goal>

            </goals>

            <configuration>

                <transformers>

                    <transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">

                        <resource>reference.conf</resource>

                    </transformer>

                </transformers>

            </configuration>

        </execution>

    </executions>

</plugin>

[Dean Schulze]

The plugin below didn't work for me.  Neither did the one in the akka docs.  I still get the same error.

Has anyone solved this error?