fixed code review comments
diff --git a/lens-server/src/main/java/org/apache/lens/server/query/QueryExecutionServiceImpl.java b/lens-server/src/main/java/org/apache/lens/server/query/QueryExecutionServiceImpl.java
index 9ad8f92..c3d78cd 100644
--- a/lens-server/src/main/java/org/apache/lens/server/query/QueryExecutionServiceImpl.java
+++ b/lens-server/src/main/java/org/apache/lens/server/query/QueryExecutionServiceImpl.java
@@ -148,7 +148,7 @@
    * The Constant PREPARED_QUERY_PURGER_COUNTER.
    */
   public static final String PREPARED_QUERY_PURGER_COUNTER = "prepared-query-purger-errors";
-  
+
   public static final String PREPARED_QUERY_INSERT_COUNTER = "prepared-query-insert-errors";
 
   /**
@@ -2057,13 +2057,12 @@
       prepared = prepareQuery(sessionHandle, query, lensConf, SubmitOp.PREPARE);
       prepared.setQueryName(queryName);
       try {
-          lensServerDao.insertPreparedQuery(prepared);
-        } catch (Exception e) {
-          incrCounter(PREPARED_QUERY_INSERT_COUNTER);
-        }
-      
+        lensServerDao.insertPreparedQuery(prepared);
+      } catch (Exception e) {
+        incrCounter(PREPARED_QUERY_INSERT_COUNTER);
+      }
+
       return prepared.getPrepareHandle();
-      
     } catch (LensException e) {
       if (prepared != null) {
         destroyPreparedQuery(prepared);