diff --git a/language-adaptors/rxjava-scala/build.gradle b/language-adaptors/rxjava-scala/build.gradle
index db194a6d28..8083feaf37 100644
--- a/language-adaptors/rxjava-scala/build.gradle
+++ b/language-adaptors/rxjava-scala/build.gradle
@@ -23,7 +23,7 @@ sourceSets {
             srcDir 'src/main/scala'
             srcDir 'src/test/scala'
             srcDir 'src/examples/scala'
-            srcDir 'src/examples/java'
+            //srcDir 'src/examples/java'
         }
         java.srcDirs = []
     }
@@ -34,7 +34,7 @@ sourceSets {
         // the scala source set:
         scala { 
             srcDir 'src/examples/scala'
-            srcDir 'src/examples/java'
+            //srcDir 'src/examples/java'
         }
         java.srcDirs = []
     }
diff --git a/language-adaptors/rxjava-scala/src/main/scala/rx/lang/scala/Observable.scala b/language-adaptors/rxjava-scala/src/main/scala/rx/lang/scala/Observable.scala
index 6db7d41e25..9be58009dd 100644
--- a/language-adaptors/rxjava-scala/src/main/scala/rx/lang/scala/Observable.scala
+++ b/language-adaptors/rxjava-scala/src/main/scala/rx/lang/scala/Observable.scala
@@ -1860,6 +1860,38 @@ trait Observable[+T]
     toScalaObservable[T](asJavaObservable.doOnEach(observer.asJavaObserver))
   }
 
+  /**
+   * Invokes an action when the source Observable calls <code>onNext</code>.
+   *
+   * @param onNext the action to invoke when the source Observable calls <code>onNext</code>
+   * @return the source Observable with the side-effecting behavior applied
+   */
+  def doOnNext(onNext: T => Unit): Observable[T] = {
+    toScalaObservable[T](asJavaObservable.doOnNext(onNext))
+  }
+
+  /**
+   * Invokes an action if the source Observable calls <code>onError</code>.
+   *
+   * @param onError the action to invoke if the source Observable calls
+   *                <code>onError</code>
+   * @return the source Observable with the side-effecting behavior applied
+   */
+  def doOnError(onError: Throwable => Unit): Observable[T] = {
+    toScalaObservable[T](asJavaObservable.doOnError(onError))
+  }
+
+  /**
+   * Invokes an action when the source Observable calls <code>onCompleted</code>.
+   *
+   * @param onCompleted the action to invoke when the source Observable calls
+   *                    <code>onCompleted</code>
+   * @return the source Observable with the side-effecting behavior applied
+   */
+  def doOnCompleted(onCompleted: () => Unit): Observable[T] = {
+    toScalaObservable[T](asJavaObservable.doOnCompleted(onCompleted))
+  }
+
   /**
    * Returns an Observable that applies the given function to each item emitted by an
    * Observable.
@@ -1869,9 +1901,7 @@ trait Observable[+T]
    * @return an Observable with the side-effecting behavior applied.
    */
   def doOnEach(onNext: T => Unit): Observable[T] = {
-    toScalaObservable[T](asJavaObservable.doOnEach(
-      onNext
-    ))
+    toScalaObservable[T](asJavaObservable.doOnNext(onNext))
   }
 
   /**
@@ -1884,10 +1914,7 @@ trait Observable[+T]
    * @return an Observable with the side-effecting behavior applied.
    */
   def doOnEach(onNext: T => Unit, onError: Throwable => Unit): Observable[T] = {
-    toScalaObservable[T](asJavaObservable.doOnEach(
-      onNext,
-      onError
-    ))
+    toScalaObservable[T](asJavaObservable.doOnEach(Observer(onNext, onError, ()=>{})))
   }
 
   /**
@@ -1901,11 +1928,7 @@ trait Observable[+T]
    * @return an Observable with the side-effecting behavior applied.
    */
   def doOnEach(onNext: T => Unit, onError: Throwable => Unit, onCompleted: () => Unit): Observable[T] = {
-    toScalaObservable[T](asJavaObservable.doOnEach(
-      onNext,
-      onError,
-      onCompleted
-    ))
+    toScalaObservable[T](asJavaObservable.doOnEach(Observer(onNext, onError,onCompleted)))
   }
 }
 
diff --git a/language-adaptors/rxjava-scala/src/main/scala/rx/lang/scala/subscriptions/BooleanSubscription.scala b/language-adaptors/rxjava-scala/src/main/scala/rx/lang/scala/subscriptions/BooleanSubscription.scala
index d7e0431d27..5f07497ca3 100644
--- a/language-adaptors/rxjava-scala/src/main/scala/rx/lang/scala/subscriptions/BooleanSubscription.scala
+++ b/language-adaptors/rxjava-scala/src/main/scala/rx/lang/scala/subscriptions/BooleanSubscription.scala
@@ -27,7 +27,11 @@ private [scala] object BooleanSubscription {
 private [scala] class BooleanSubscription private[scala] (boolean: rx.subscriptions.BooleanSubscription)
   extends Subscription {
 
-  override val asJavaSubscription: rx.subscriptions.BooleanSubscription = new rx.subscriptions.BooleanSubscription() {
+  override val asJavaSubscription: rx.subscriptions.BooleanSubscription = boolean
+}
+
+/*
+new rx.subscriptions.BooleanSubscription() {
     override def unsubscribe(): Unit = {
       if(unsubscribed.compareAndSet(false, true)) {
         if(!boolean.isUnsubscribed) { boolean.unsubscribe() }
@@ -35,4 +39,4 @@ private [scala] class BooleanSubscription private[scala] (boolean: rx.subscripti
     }
     override def isUnsubscribed(): Boolean = unsubscribed.get() || boolean.isUnsubscribed
   }
-}
+ */
\ No newline at end of file
diff --git a/language-adaptors/rxjava-scala/src/main/scala/rx/lang/scala/subscriptions/MultiAssignmentSubscription.scala b/language-adaptors/rxjava-scala/src/main/scala/rx/lang/scala/subscriptions/MultiAssignmentSubscription.scala
index 8fa87c3ff5..1cbb0f8d6d 100644
--- a/language-adaptors/rxjava-scala/src/main/scala/rx/lang/scala/subscriptions/MultiAssignmentSubscription.scala
+++ b/language-adaptors/rxjava-scala/src/main/scala/rx/lang/scala/subscriptions/MultiAssignmentSubscription.scala
@@ -47,7 +47,7 @@ class MultipleAssignmentSubscription private[scala] (override val asJavaSubscrip
   /**
    * Gets the underlying subscription.
    */
-  def subscription: Subscription = Subscription(asJavaSubscription.getSubscription)
+  def subscription: Subscription = Subscription(asJavaSubscription.get)
 
   /**
    * Gets the underlying subscription
@@ -55,7 +55,7 @@ class MultipleAssignmentSubscription private[scala] (override val asJavaSubscrip
    * @return the [[rx.lang.scala.subscriptions.MultipleAssignmentSubscription]] itself.
    */
   def subscription_=(that: Subscription): this.type = {
-    asJavaSubscription.setSubscription(that.asJavaSubscription)
+    asJavaSubscription.set(that.asJavaSubscription)
     this
   }
 
diff --git a/language-adaptors/rxjava-scala/src/main/scala/rx/lang/scala/subscriptions/SerialSubscription.scala b/language-adaptors/rxjava-scala/src/main/scala/rx/lang/scala/subscriptions/SerialSubscription.scala
index d845b7e5cd..77b52e3b5f 100644
--- a/language-adaptors/rxjava-scala/src/main/scala/rx/lang/scala/subscriptions/SerialSubscription.scala
+++ b/language-adaptors/rxjava-scala/src/main/scala/rx/lang/scala/subscriptions/SerialSubscription.scala
@@ -41,10 +41,10 @@ class SerialSubscription private[scala] (override val asJavaSubscription: rx.sub
   override def isUnsubscribed: Boolean = asJavaSubscription.isUnsubscribed
 
   def subscription_=(value: Subscription): this.type = {
-      asJavaSubscription.setSubscription(value.asJavaSubscription)
+      asJavaSubscription.set(value.asJavaSubscription)
       this
   }
-  def subscription: Subscription = Subscription(asJavaSubscription.getSubscription)
+  def subscription: Subscription = Subscription(asJavaSubscription.get)
 
 }
 
diff --git a/rxjava-core/src/main/java/rx/Observable.java b/rxjava-core/src/main/java/rx/Observable.java
index 6f3f51f12d..4ce54dedf6 100644
--- a/rxjava-core/src/main/java/rx/Observable.java
+++ b/rxjava-core/src/main/java/rx/Observable.java
@@ -6793,7 +6793,7 @@ public void onNext(T args) { }
      * @see <a href="https://github.com/Netflix/RxJava/wiki/Observable-Utility-Operators#dooneach">RxJava Wiki: doOnNext()</a>
      * @see <a href="http://msdn.microsoft.com/en-us/library/hh229804.aspx">MSDN: Observable.Do</a>
      */
-    public Observable<T> doOnNext(final Action1<T> onNext) {
+    public Observable<T> doOnNext(final Action1<? super T> onNext) {
         Observer<T> observer = new Observer<T>() {
             @Override
             public void onCompleted() { }
@@ -6822,7 +6822,7 @@ public void onNext(T args) {
      * @see <a href="https://github.com/Netflix/RxJava/wiki/Observable-Utility-Operators#dooneach">RxJava Wiki: doOnEach()</a>
      * @see <a href="http://msdn.microsoft.com/en-us/library/hh229307.aspx">MSDN: Observable.Do</a>
      */
-    public Observable<T> doOnEach(final Action1<Notification<T>> onNotification) {
+    public Observable<T> doOnEach(final Action1<Notification<? super T>> onNotification) {
         Observer<T> observer = new Observer<T>() {
             @Override
             public void onCompleted() {
diff --git a/rxjava-core/src/test/java/rx/operators/OperationWindowTest.java b/rxjava-core/src/test/java/rx/operators/OperationWindowTest.java
index aeaa7d5103..ebe26dacba 100644
--- a/rxjava-core/src/test/java/rx/operators/OperationWindowTest.java
+++ b/rxjava-core/src/test/java/rx/operators/OperationWindowTest.java
@@ -50,10 +50,10 @@ private static <T> List<List<T>> toLists(Observable<Observable<T>> observables)
         final List<List<T>> lists = new ArrayList<List<T>>();
         Observable.concat(observables.map(new Func1<Observable<T>, Observable<List<T>>>() {
             @Override
-            public Observable<List<T>> call(Observable<T> xs) {
-                return xs.toList();
-            }
-        })).toBlockingObservable().forEach(new Action1<List<T>>() {
+            public Observable<List<T>> call(Observable<T> xs) { return xs.toList(); }
+        }))
+                .toBlockingObservable()
+                .forEach(new Action1<List<T>>() {
             @Override
             public void call(List<T> xs) {
                 lists.add(xs);