diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java
index 9917b460dae..8f8f98abd13 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java
@@ -48,12 +48,12 @@ import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.CompoundConfiguration;
-import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.HColumnDescriptor;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.RemoteExceptionHandler;
+import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.io.compress.Compression;
 import org.apache.hadoop.hbase.io.hfile.CacheConfig;
@@ -274,6 +274,7 @@ public class HStore implements Store {
     return ttl;
   }
 
+  @Override
   public String getColumnFamilyName() {
     return this.family.getNameAsString();
   }
@@ -309,6 +310,7 @@ public class HStore implements Store {
     return this.compactionCheckMultiplier;
   }
 
+  @Override
   public long getBlockingFileCount() {
     return blockingFileCount;
   }
@@ -345,6 +347,7 @@ public class HStore implements Store {
     return closeCheckInterval;
   }
 
+  @Override
   public HColumnDescriptor getFamily() {
     return this.family;
   }
@@ -420,6 +423,7 @@ public class HStore implements Store {
     for (final StoreFileInfo storeFileInfo: files) {
       // open each store file in parallel
       completionService.submit(new Callable<StoreFile>() {
+        @Override
         public StoreFile call() throws IOException {
           StoreFile storeFile = createStoreFileAndReader(storeFileInfo.getPath());
           return storeFile;
@@ -633,6 +637,7 @@ public class HStore implements Store {
           new ExecutorCompletionService<Void>(storeFileCloserThreadPool);
         for (final StoreFile f : result) {
           completionService.submit(new Callable<Void>() {
+            @Override
             public Void call() throws IOException {
               f.closeReader(true);
               return null;
@@ -771,6 +776,7 @@ public class HStore implements Store {
    * @param isCompaction whether we are creating a new file in a compaction
    * @return Writer for a new StoreFile in the tmp dir.
    */
+  @Override
   public StoreFile.Writer createWriterInTmp(long maxKeyCount,
     Compression.Algorithm compression, boolean isCompaction, boolean includeMVCCReadpoint)
   throws IOException {
@@ -936,6 +942,7 @@ public class HStore implements Store {
    * @throws IOException
    * @return Storefile we compacted into or null if we failed or opted out early.
    */
+  @Override
   public List<StoreFile> compact(CompactionContext compaction) throws IOException {
     assert compaction != null && compaction.hasSelection();
     CompactionRequest cr = compaction.getRequest();
@@ -1078,6 +1085,7 @@ public class HStore implements Store {
    * See HBASE-2331.
    * @param compaction
    */
+  @Override
   public void completeCompactionMarker(CompactionDescriptor compaction)
       throws IOException {
     LOG.debug("Completing compaction from the WAL marker");
@@ -1299,6 +1307,7 @@ public class HStore implements Store {
     return compaction;
   }
 
+  @Override
   public void cancelRequestedCompaction(CompactionContext compaction) {
     finishCompactionRequest(compaction.getRequest());
   }
@@ -1324,7 +1333,7 @@ public class HStore implements Store {
       throws IOException {
     StoreFile storeFile = null;
     try {
-      createStoreFileAndReader(path, NoOpDataBlockEncoder.INSTANCE);
+      storeFile = createStoreFileAndReader(path, NoOpDataBlockEncoder.INSTANCE);
     } catch (IOException e) {
       LOG.error("Failed to open store file : " + path
           + ", keeping it in tmp location", e);
@@ -1554,6 +1563,7 @@ public class HStore implements Store {
     return foundCandidate;
   }
 
+  @Override
   public boolean canSplit() {
     this.lock.readLock().lock();
     try {
@@ -1597,6 +1607,7 @@ public class HStore implements Store {
     return storeSize;
   }
 
+  @Override
   public void triggerMajorCompaction() {
     this.forceMajor = true;
   }
@@ -1775,6 +1786,7 @@ public class HStore implements Store {
     }
   }
 
+  @Override
   public StoreFlushContext createFlushContext(long cacheFlushId) {
     return new StoreFlusherImpl(cacheFlushId);
   }
@@ -1866,6 +1878,7 @@ public class HStore implements Store {
     return DEEP_OVERHEAD + this.memstore.heapSize();
   }
 
+  @Override
   public KeyValue.KVComparator getComparator() {
     return comparator;
   }