From 2940f174d0b698ef70b67e707a642bd40b9cf0cb Mon Sep 17 00:00:00 2001
From: water <672684719@qq.com>
Date: Thu, 20 Aug 2026 16:09:38 +0800
Subject: [PATCH] fix: add SNAPSHOT account lookup in
 DownloadListener.getAccountIdForDataObject

Fixes apache/cloudstack#13900: copySnapshot between zones fails with
"Timeout waiting for response from storage host" when the account
lookup returns null for SNAPSHOT data objects.

Signed-off-by: waterWang <waterwang@proton.me>
---
 .../java/com/cloud/storage/download/DownloadListener.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/server/src/main/java/com/cloud/storage/download/DownloadListener.java b/server/src/main/java/com/cloud/storage/download/DownloadListener.java
index a35f4391b0a2..71c9cd9ce818 100644
--- a/server/src/main/java/com/cloud/storage/download/DownloadListener.java
+++ b/server/src/main/java/com/cloud/storage/download/DownloadListener.java
@@ -29,8 +29,10 @@
 import com.cloud.resourcelimit.CheckedReservation;
 import com.cloud.storage.VMTemplateVO;
 import com.cloud.storage.VolumeVO;
+import com.cloud.storage.SnapshotVO;
 import com.cloud.storage.dao.VMTemplateDao;
 import com.cloud.storage.dao.VolumeDao;
+import com.cloud.storage.dao.SnapshotDao;
 import com.cloud.user.Account;
 import com.cloud.user.AccountManager;
 import com.cloud.user.ResourceLimitService;
@@ -163,6 +165,8 @@ protected void runInContext() {
     @Inject
     ReservationDao _reservationDao;
 
+    @Inject
+    private SnapshotDao _snapshotDao;
     private LazyCache<Long, List<Hypervisor.HypervisorType>> zoneHypervisorsCache;
 
     private List<Hypervisor.HypervisorType> listAvailHypervisorInZone(long zoneId) {
@@ -275,7 +279,9 @@ private Long getAccountIdForDataObject() {
         } else if (DataObjectType.VOLUME.equals(object.getType())) {
             VolumeVO v = _volumeDao.findById(object.getId());
             return v != null ? v.getAccountId() : null;
-        }
+        } else if (DataObjectType.SNAPSHOT.equals(object.getType())) {
+            SnapshotVO s = _snapshotDao.findById(object.getId());
+            return s != null ? s.getAccountId() : null;
         return null;
     }