HADOOP-12464. Interrupted client may try to fail-over and retry. Contributed by Kihwal Lee.

(cherry picked from commit 6144e0137b)

Conflicts:
	hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/retry/RetryInvocationHandler.java

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -49,6 +49,8 @@ Release 2.7.2 - UNRELEASED
     HADOOP-12465. Incorrect javadoc in WritableUtils.java.
     (Jagadesh Kiran N via aajisaka)
 
+    HADOOP-12464. Interrupted client may try to fail-over and retry (kihwal)
+
 Release 2.7.1 - 2015-07-06 
 
   INCOMPATIBLE CHANGES

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/retry/RetryInvocationHandler.java

@@ -103,6 +103,10 @@ public class RetryInvocationHandler<T> implements RpcInvocationHandler {
         hasMadeASuccessfulCall = true;
         return ret;
       } catch (Exception e) {
+        if (Thread.currentThread().isInterrupted()) {
+          // If interrupted, do not retry.
+          throw e;
+        }
         boolean isIdempotentOrAtMostOnce = proxyProvider.getInterface()
             .getMethod(method.getName(), method.getParameterTypes())
             .isAnnotationPresent(Idempotent.class);

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java

@@ -1460,20 +1460,14 @@ public class Client {
       throw new IOException(e);
     }
 
-    boolean interrupted = false;
     synchronized (call) {
       while (!call.done) {
         try {
           call.wait();                           // wait for the result
         } catch (InterruptedException ie) {
-          // save the fact that we were interrupted
-          interrupted = true;
-        }
-      }
-
-      if (interrupted) {
-        // set the interrupt flag now that we are done waiting
           Thread.currentThread().interrupt();
+          throw new InterruptedIOException("Call interrupted");
+        }
       }
 
       if (call.error != null) {