Fix memory leaking when loading data: Alluxio#17758

core/server/worker/src/main/java/alluxio/worker/block/MonoBlockStore.java

@@ -339,12 +339,12 @@ public CompletableFuture<List<BlockStatus>> load(List<Block> blocks, UfsReadOpti
               blockWriter.close();
             } catch (IOException e) {
               throw AlluxioRuntimeException.from(e);
-            } finally {
-              NioDirectBufferPool.release(buf);
             }
           })
           .thenRun(() -> commitBlock(sessionId, blockId, false))
+          .thenRun(() -> NioDirectBufferPool.release(buf))
           .exceptionally(t -> {
+            NioDirectBufferPool.release(buf);
             handleException(t.getCause(), block, errors, sessionId);
             return null;
           });

joker.yml

@@ -0,0 +1,13 @@
+version: 2.0
+base_image: bionic
+components:
+  java: 1.8
+
+build:
+  - echo 0
+
+test:
+  unittest:
+    - echo 0
+
+