From 0dadbadb5286688010d6a6309da031c835b27c8f Mon Sep 17 00:00:00 2001
From: Abhishek Kumar <abhishek.mrt22@gmail.com>
Date: Fri, 27 Feb 2026 13:17:54 +0530
Subject: [PATCH] fix start nbd server

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>
---
 .../cloudstack/backup/IncrementalBackupServiceImpl.java   | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/server/src/main/java/org/apache/cloudstack/backup/IncrementalBackupServiceImpl.java b/server/src/main/java/org/apache/cloudstack/backup/IncrementalBackupServiceImpl.java
index a2a5f50d7af..fa5298e1fa8 100644
--- a/server/src/main/java/org/apache/cloudstack/backup/IncrementalBackupServiceImpl.java
+++ b/server/src/main/java/org/apache/cloudstack/backup/IncrementalBackupServiceImpl.java
@@ -386,8 +386,16 @@ public class IncrementalBackupServiceImpl extends ManagerBase implements Increme
 
     private void startNBDServer(String transferId, String direction, Long hostId, String exportName, String volumePath) {
         StartNBDServerAnswer nbdServerAnswer;
+        if (hostId == null) {
+            throw new CloudRuntimeException("Host cannot be determined for starting NBD server");
+        }
+        HostVO host = hostDao.findById(hostId);
+        if (host == null) {
+            throw new CloudRuntimeException("Host cannot be found for starting NBD server with ID: " + hostId);
+        }
         StartNBDServerCommand nbdServerCmd = new StartNBDServerCommand(
                 transferId,
+                host.getPublicIpAddress(),
                 exportName,
                 volumePath,
                 transferId,