diff --git a/akka-actor/src/main/scala/akka/actor/ActorRef.scala b/akka-actor/src/main/scala/akka/actor/ActorRef.scala
index 8d0bbed6af..dbaf013705 100644
--- a/akka-actor/src/main/scala/akka/actor/ActorRef.scala
+++ b/akka-actor/src/main/scala/akka/actor/ActorRef.scala
@@ -995,7 +995,7 @@ class LocalActorRef private[akka] (
         "\n\tWill *not* restart actor [{}] anymore." +
         "\n\tLast exception causing restart was" +
         "\n\t[{}].",
-        Array(maxNrOfRetries, withinTimeRange, this, reason))
+        Array[AnyRef](maxNrOfRetries, withinTimeRange, this, reason))
       _supervisor.foreach { sup =>
         // can supervisor handle the notification?
         val notification = MaximumNumberOfRestartsWithinTimeRangeReached(this, maxNrOfRetries, withinTimeRange, reason)
diff --git a/akka-actor/src/main/scala/akka/actor/Scheduler.scala b/akka-actor/src/main/scala/akka/actor/Scheduler.scala
index 2096710088..1a81740368 100644
--- a/akka-actor/src/main/scala/akka/actor/Scheduler.scala
+++ b/akka-actor/src/main/scala/akka/actor/Scheduler.scala
@@ -37,7 +37,7 @@ object Scheduler extends Logging {
   def schedule(receiver: ActorRef, message: AnyRef, initialDelay: Long, delay: Long, timeUnit: TimeUnit): ScheduledFuture[AnyRef] = {
     log.slf4j.trace(
       "Schedule scheduled event\n\tevent = [{}]\n\treceiver = [{}]\n\tinitialDelay = [{}]\n\tdelay = [{}]\n\ttimeUnit = [{}]",
-      Array(message, receiver, initialDelay, delay, timeUnit))
+      Array[AnyRef](message, receiver, initialDelay.asInstanceOf[AnyRef], delay.asInstanceOf[AnyRef], timeUnit))
     try {
       service.scheduleAtFixedRate(
         new Runnable { def run = receiver ! message },
@@ -61,7 +61,7 @@ object Scheduler extends Logging {
   def schedule(runnable: Runnable, initialDelay: Long, delay: Long, timeUnit: TimeUnit): ScheduledFuture[AnyRef] = {
     log.slf4j.trace(
       "Schedule scheduled event\n\trunnable = [{}]\n\tinitialDelay = [{}]\n\tdelay = [{}]\n\ttimeUnit = [{}]",
-      Array(runnable, initialDelay, delay, timeUnit))
+      Array[AnyRef](runnable, initialDelay.asInstanceOf[AnyRef], delay.asInstanceOf[AnyRef], timeUnit))
 
     try {
       service.scheduleAtFixedRate(runnable,initialDelay, delay, timeUnit).asInstanceOf[ScheduledFuture[AnyRef]]
@@ -76,7 +76,7 @@ object Scheduler extends Logging {
   def scheduleOnce(receiver: ActorRef, message: AnyRef, delay: Long, timeUnit: TimeUnit): ScheduledFuture[AnyRef] = {
     log.slf4j.trace(
       "Schedule one-time event\n\tevent = [{}]\n\treceiver = [{}]\n\tdelay = [{}]\n\ttimeUnit = [{}]",
-      Array(message, receiver, delay, timeUnit))
+      Array[AnyRef](message, receiver, delay.asInstanceOf[AnyRef], timeUnit))
     try {
       service.schedule(
         new Runnable { def run = receiver ! message },
@@ -100,7 +100,7 @@ object Scheduler extends Logging {
   def scheduleOnce(runnable: Runnable, delay: Long, timeUnit: TimeUnit): ScheduledFuture[AnyRef] = {
     log.slf4j.trace(
       "Schedule one-time event\n\trunnable = [{}]\n\tdelay = [{}]\n\ttimeUnit = [{}]",
-      Array(runnable, delay, timeUnit))
+      Array[AnyRef](runnable, delay.asInstanceOf[AnyRef], timeUnit))
     try {
       service.schedule(runnable,delay, timeUnit).asInstanceOf[ScheduledFuture[AnyRef]]
     } catch {
diff --git a/akka-http/src/main/scala/Mist.scala b/akka-http/src/main/scala/Mist.scala
index f9616c831c..b7e1f6ff49 100644
--- a/akka-http/src/main/scala/Mist.scala
+++ b/akka-http/src/main/scala/Mist.scala
@@ -118,7 +118,7 @@ trait Mist extends Logging {
     val server = context.getServerInfo
     val (major, minor) = (context.getMajorVersion, context.getMinorVersion)
 
-    log.slf4j.info("Initializing Akka HTTP on {} with Servlet API {}.{}",Array(server, major, minor))
+    log.slf4j.info("Initializing Akka HTTP on {} with Servlet API {}.{}",Array[AnyRef](server, major: java.lang.Integer, minor: java.lang.Integer))
 
     _factory = if (major >= 3) {
       log.slf4j.info("Supporting Java asynchronous contexts.")
diff --git a/akka-remote/src/main/scala/akka/remote/RemoteServer.scala b/akka-remote/src/main/scala/akka/remote/RemoteServer.scala
index 857ef4bc60..13e381e2c5 100644
--- a/akka-remote/src/main/scala/akka/remote/RemoteServer.scala
+++ b/akka-remote/src/main/scala/akka/remote/RemoteServer.scala
@@ -383,7 +383,7 @@ class RemoteServer extends Logging with ListenerManagement {
    */
   def unregister(actorRef: ActorRef):Unit = synchronized {
     if (_isRunning) {
-      log.slf4j.debug("Unregistering server side remote actor [{}] with id [{}:{}]", Array(actorRef.actorClass.getName, actorRef.id, actorRef.uuid))
+      log.slf4j.debug("Unregistering server side remote actor [{}] with id [{}:{}]", Array[AnyRef](actorRef.actorClass.getName, actorRef.id, actorRef.uuid))
       actors.remove(actorRef.id, actorRef)
       actorsByUuid.remove(actorRef.uuid, actorRef)
     }
diff --git a/akka-remote/src/main/scala/akka/serialization/SerializationProtocol.scala b/akka-remote/src/main/scala/akka/serialization/SerializationProtocol.scala
index 5ed4d9a969..b93b472f51 100644
--- a/akka-remote/src/main/scala/akka/serialization/SerializationProtocol.scala
+++ b/akka-remote/src/main/scala/akka/serialization/SerializationProtocol.scala
@@ -241,10 +241,11 @@ object RemoteActorSerialization {
    */
   def toRemoteActorRefProtocol(ar: ActorRef): RemoteActorRefProtocol = {
     import ar._
-    val host = homeAddress.getHostName
-    val port = homeAddress.getPort
+    val home = homeAddress
+    val host = home.getHostName
+    val port = home.getPort
 
-    Actor.log.slf4j.debug("Register serialized Actor [{}] as remote @ [{}:{}]", Array(actorClassName, host, port))
+    Actor.log.slf4j.debug("Register serialized Actor [{}] as remote @ [{}]",actorClassName, home)
     RemoteServer.getOrCreateServer(homeAddress)
     ActorRegistry.registerActorByUuid(homeAddress, uuid.toString, ar)