From ed9786c95747976b7ffd260d4dbb5e2387782149 Mon Sep 17 00:00:00 2001
From: hc-github-team-nomad-core
 <82989552+hc-github-team-nomad-core@users.noreply.github.com>
Date: Fri, 17 Nov 2023 08:05:59 -0600
Subject: [PATCH] backport of commit 557b4942d0f1959bb8509ff9303fa0baa37c0276
 (#19116)

Co-authored-by: codenoid <14269809+codenoid@users.noreply.github.com>
---
 .changelog/19115.txt |  3 +++
 api/allocations.go   | 11 ++++++++---
 2 files changed, 11 insertions(+), 3 deletions(-)
 create mode 100644 .changelog/19115.txt

diff --git a/.changelog/19115.txt b/.changelog/19115.txt
new file mode 100644
index 000000000..e279770f0
--- /dev/null
+++ b/.changelog/19115.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+api: Fix panic in `Allocation.Stub` method when `Job` is unset
+```
diff --git a/api/allocations.go b/api/allocations.go
index 121a75934..800168c80 100644
--- a/api/allocations.go
+++ b/api/allocations.go
@@ -311,7 +311,7 @@ type NodeScoreMeta struct {
 
 // Stub returns a list stub for the allocation
 func (a *Allocation) Stub() *AllocationListStub {
-	return &AllocationListStub{
+	stub := &AllocationListStub{
 		ID:                    a.ID,
 		EvalID:                a.EvalID,
 		Name:                  a.Name,
@@ -319,8 +319,6 @@ func (a *Allocation) Stub() *AllocationListStub {
 		NodeID:                a.NodeID,
 		NodeName:              a.NodeName,
 		JobID:                 a.JobID,
-		JobType:               *a.Job.Type,
-		JobVersion:            *a.Job.Version,
 		TaskGroup:             a.TaskGroup,
 		DesiredStatus:         a.DesiredStatus,
 		DesiredDescription:    a.DesiredDescription,
@@ -338,6 +336,13 @@ func (a *Allocation) Stub() *AllocationListStub {
 		CreateTime:            a.CreateTime,
 		ModifyTime:            a.ModifyTime,
 	}
+
+	if a.Job != nil {
+		stub.JobType = *a.Job.Type
+		stub.JobVersion = *a.Job.Version
+	}
+
+	return stub
 }
 
 // ServerTerminalStatus returns true if the desired state of the allocation is