From ccb1d9afa77950f687ddd5000012ac73a75ee2aa Mon Sep 17 00:00:00 2001
From: Robin Appelman <robin@icewind.nl>
Date: Fri, 27 Feb 2026 14:50:49 +0100
Subject: [PATCH] fix: improve logging around failed chunked object store
 uploads

Signed-off-by: Robin Appelman <robin@icewind.nl>
---
 lib/private/Files/ObjectStore/ObjectStoreStorage.php | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/lib/private/Files/ObjectStore/ObjectStoreStorage.php b/lib/private/Files/ObjectStore/ObjectStoreStorage.php
index edc082f9290..003373b5b37 100644
--- a/lib/private/Files/ObjectStore/ObjectStoreStorage.php
+++ b/lib/private/Files/ObjectStore/ObjectStoreStorage.php
@@ -818,7 +818,6 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 				$this->getCache()->update($stat['fileid'], $stat);
 			}
 		} catch (S3MultipartUploadException|S3Exception $e) {
-			$this->objectStore->abortMultipartUpload($urn, $writeToken);
 			$this->logger->error(
 				'Could not complete multipart upload ' . $urn . ' with uploadId ' . $writeToken,
 				[
@@ -826,6 +825,17 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 					'exception' => $e,
 				]
 			);
+			try {
+				$this->objectStore->abortMultipartUpload($urn, $writeToken);
+			} catch (S3Exception $e) {
+				$this->logger->error(
+					'Failed to abort multi-part upload for ' . $urn . ' with uploadId ' . $writeToken,
+					[
+						'app' => 'objectstore',
+						'exception' => $e,
+					]
+				);
+			}
 			throw new GenericFileException('Could not write chunked file');
 		}
 		return $size;