HBASE-7711 rowlock release problem with thread interruptions in batchMutate (Ted Yu)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1441066 13f79535-47bb-0310-9956-ffa450edef68

hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java

@@ -3131,7 +3131,10 @@ public class HRegion implements HeapSize { // , Writable{
                   + Bytes.toStringBinary(row));
             }
           } catch (InterruptedException ie) {
-            // Empty
+            LOG.warn("internalObtainRowLock interrupted for row=" + Bytes.toStringBinary(row));
+            InterruptedIOException iie = new InterruptedIOException();
+            iie.initCause(ie);
+            throw iie;
           }
         }
       }