[hotfix][rest] Remove unnecessary instanceof check

apache · Jan 3, 2019 · a5da6e1 · a5da6e1
1 parent f7b351e
commit a5da6e1
Showing 1 changed file with 1 addition and 5 deletions.
diff --git a/...ava/org/apache/flink/runtime/rest/handler/taskmanager/AbstractTaskManagerFileHandler.java b/...ava/org/apache/flink/runtime/rest/handler/taskmanager/AbstractTaskManagerFileHandler.java
@@ -126,11 +126,7 @@ protected CompletableFuture<Void> respondToRequest(ChannelHandlerContext ctx, Ht
 			blobKeyFuture = fileBlobKeys.get(taskManagerId);
 		} catch (ExecutionException e) {
 			final Throwable cause = ExceptionUtils.stripExecutionException(e);
-			if (cause instanceof RestHandlerException) {
-				throw (RestHandlerException) cause;
-			} else {
-				throw new RestHandlerException("Could not retrieve file blob key future.", HttpResponseStatus.INTERNAL_SERVER_ERROR, e);
-			}
+			throw new RestHandlerException("Could not retrieve file blob key future.", HttpResponseStatus.INTERNAL_SERVER_ERROR, cause);
 		}
 
 		final CompletableFuture<Void> resultFuture = blobKeyFuture.thenAcceptAsync(