diff --git a/core/src/main/scala/spark/scheduler/cluster/ClusterScheduler.scala b/core/src/main/scala/spark/scheduler/cluster/ClusterScheduler.scala
index d92dd3de8b5eeeb2f50908b12e3757c16113c57f..96568e0d276cdb57311654b098d5b54b5af639b7 100644
--- a/core/src/main/scala/spark/scheduler/cluster/ClusterScheduler.scala
+++ b/core/src/main/scala/spark/scheduler/cluster/ClusterScheduler.scala
@@ -206,7 +206,8 @@ private[spark] class ClusterScheduler(val sc: SparkContext)
           override def run() {
             if (!hasLaunchedTask) {
               logWarning("Initial job has not accepted any resources; " +
-                "check your cluster UI to ensure that workers are registered")
+                "check your cluster UI to ensure that workers are registered " +
+                "and have sufficient memory")
             } else {
               this.cancel()
             }
diff --git a/project/SparkBuild.scala b/project/SparkBuild.scala
index c822f49e786c700ed92fd820eed3411017eb90f9..4a9f3de8c91281cfa86c80812ed0a0e812ab7604 100644
--- a/project/SparkBuild.scala
+++ b/project/SparkBuild.scala
@@ -156,7 +156,7 @@ object SparkBuild extends Build {
   def coreSettings = sharedSettings ++ Seq(
     name := "spark-core",
     resolvers ++= Seq(
-      "JBoss Repository" at "http://repository.jboss.org/nexus/content/repositories/releases/",
+      // "JBoss Repository" at "http://repository.jboss.org/nexus/content/repositories/releases/",
       "Spray Repository" at "http://repo.spray.cc/",
       "Cloudera Repository" at "https://repository.cloudera.com/artifactory/cloudera-repos/"
     ),