Related to #116. Make sure that the cache is updated (even with null) so

that BlockingCache works when an exception is thrown when running the
statement.

src/main/java/org/apache/ibatis/executor/CachingExecutor.java

@@ -87,8 +87,11 @@ public <E> List<E> query(MappedStatement ms, Object parameterObject, RowBounds r
         @SuppressWarnings("unchecked")
         List<E> list = (List<E>) tcm.getObject(cache, key);
         if (list == null) {
-          list = delegate.<E> query(ms, parameterObject, rowBounds, resultHandler, key, boundSql);
-          tcm.putObject(cache, key, list); // issue #578. Query must be not synchronized to prevent deadlocks
+          try {
+            list = delegate.<E> query(ms, parameterObject, rowBounds, resultHandler, key, boundSql);
+          } finally {
+            tcm.putObject(cache, key, list); // issue #578 and #116
+          }
         }
         return list;
       }