HBASE-10652 Fix incorrect handling of IE that restores current thread's interrupt status within while/for loops in rpc (Feng Honghua)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1573937 13f79535-47bb-0310-9956-ffa450edef68

hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/SimpleRpcScheduler.java

@@ -154,11 +154,18 @@ public class SimpleRpcScheduler implements RpcScheduler {
   }
 
   private void consumerLoop(BlockingQueue<CallRunner> myQueue) {
+    boolean interrupted = false;
+    try {
       while (running) {
         try {
           CallRunner task = myQueue.take();
           task.run();
         } catch (InterruptedException e) {
+          interrupted = true;
+        }
+      }
+    } finally {
+      if (interrupted) {
         Thread.currentThread().interrupt();
       }
     }