AsyncRestTemplate and FutureAdapter consistently throw ExecutionException

Issue: SPR-13413

spring-core/src/main/java/org/springframework/util/concurrent/FutureAdapter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2015 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -59,27 +59,27 @@ public abstract class FutureAdapter<T, S> implements Future<T> {
 	 * Returns the adaptee.
 	 */
 	protected Future<S> getAdaptee() {
-		return adaptee;
+		return this.adaptee;
 	}
 
 	@Override
 	public boolean cancel(boolean mayInterruptIfRunning) {
-		return adaptee.cancel(mayInterruptIfRunning);
+		return this.adaptee.cancel(mayInterruptIfRunning);
 	}
 
 	@Override
 	public boolean isCancelled() {
-		return adaptee.isCancelled();
+		return this.adaptee.isCancelled();
 	}
 
 	@Override
 	public boolean isDone() {
-		return adaptee.isDone();
+		return this.adaptee.isDone();
 	}
 
 	@Override
 	public T get() throws InterruptedException, ExecutionException {
-		return adaptInternal(adaptee.get());
+		return adaptInternal(this.adaptee.get());
 	}
 
 	@Override
@@ -107,7 +107,7 @@ public abstract class FutureAdapter<T, S> implements Future<T> {
 						this.state = State.FAILURE;
 						throw ex;
 					}
-					catch (RuntimeException ex) {
+					catch (Throwable ex) {
 						ExecutionException execEx = new ExecutionException(ex);
 						this.result = execEx;
 						this.state = State.FAILURE;

spring-web/src/main/java/org/springframework/web/client/AsyncRestTemplate.java

@@ -666,7 +666,7 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
 				}
 				return convertResponse(response);
 			}
-			catch (IOException ex) {
+			catch (Throwable ex) {
 				throw new ExecutionException(ex);
 			}
 			finally {