Moved default host to val, removed unused resolver/unnecessary condition

build.sbt

@@ -73,7 +73,6 @@ libraryDependencies ++= Seq(
 )
 
 resolvers += "Sonatype OSS Snapshots" at "https://oss.sonatype.org/content/repositories/snapshots"
-resolvers ++= Seq(Resolver.mavenLocal)
 
 val opalVersion = "1.0.0"
 libraryDependencies ++= Seq(

src/main/scala/de/upb/cs/swt/delphi/crawler/Configuration.scala

@@ -31,25 +31,26 @@ class Configuration {
 
   lazy val elasticsearchClientUri: ElasticsearchClientUri = ElasticsearchClientUri({
     if(elasticsearchInstance.portnumber.isEmpty){
-      elasticsearchInstance.iP.getOrElse("elasticsearch://localhost:" + defaultElasticSearchPort)
+      elasticsearchInstance.iP.getOrElse(defaultElasticSearchHost + ":" + defaultElasticSearchPort)
     }else{
-      elasticsearchInstance.iP.getOrElse("elasticsearch://localhost") + ":" + elasticsearchInstance.portnumber.getOrElse(defaultElasticSearchPort)
+      elasticsearchInstance.iP.getOrElse(defaultElasticSearchHost) + ":" + elasticsearchInstance.portnumber.getOrElse(defaultElasticSearchPort)
     }
   })
 
   lazy val elasticsearchInstance : Instance = InstanceRegistry.retrieveElasticSearchInstance(this) match {
     case Success(instance) => instance
     case Failure(_) => Instance(
       None,
-      Some(sys.env.getOrElse("DELPHI_ELASTIC_URI","elasticsearch://localhost")),
-      Some(defaultElasticSearchPort),
+      Some(sys.env.getOrElse("DELPHI_ELASTIC_URI",defaultElasticSearchHost + ":" + defaultElasticSearchPort)),
+      None,
       Some("Default ElasticSearch instance"),
       Some(ComponentType.ElasticSearch))
   }
 
   val mavenRepoBase: URI = new URI("http://repo1.maven.org/maven2/") // TODO: Create a local demo server "http://localhost:8881/maven2/"
   val controlServerPort : Int = 8882
   val defaultElasticSearchPort : Int = 9200
+  val defaultElasticSearchHost : String = "elasticsearch://localhost"
   val limit : Int = 50
   val throttle : Throttle = Throttle(5, 30 second, 5, ThrottleMode.shaping)
 

src/main/scala/de/upb/cs/swt/delphi/crawler/storage/ElasticReachablePreflightCheck.scala

@@ -46,11 +46,11 @@ object ElasticReachablePreflightCheck extends PreflightCheck {
     val f = (client.execute {
       nodeInfo()
     } map { i => {
-      if(configuration.usingInstanceRegistry) InstanceRegistry.sendMatchingResult(isElasticSearchReachable = true, configuration)
+      InstanceRegistry.sendMatchingResult(isElasticSearchReachable = true, configuration)
       Success(configuration)
     }
     } recover { case e =>
-      if(configuration.usingInstanceRegistry) InstanceRegistry.sendMatchingResult(isElasticSearchReachable = false, configuration)
+      InstanceRegistry.sendMatchingResult(isElasticSearchReachable = false, configuration)
       Failure(e)
 
     }).andThen {