From e54ab4be17b884d13e1ad90c8a1ad2917f97d39a Mon Sep 17 00:00:00 2001
From: Jesse Glick <jglick@cloudbees.com>
Date: Thu, 24 Jan 2013 09:52:20 -0500
Subject: [PATCH] fromExternalizableId: diagnosis of nonexistent job.

---
 core/src/main/java/hudson/model/Run.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/src/main/java/hudson/model/Run.java b/core/src/main/java/hudson/model/Run.java
index 410976e0e9..709256e740 100644
--- a/core/src/main/java/hudson/model/Run.java
+++ b/core/src/main/java/hudson/model/Run.java
@@ -2039,6 +2039,9 @@ public abstract class Run <JobT extends Job<JobT,RunT>,RunT extends Run<JobT,Run
         int number = Integer.parseInt(id.substring(hash + 1));
 
         Job<?,?> job = Jenkins.getInstance().getItemByFullName(jobName, Job.class);
+        if (job == null) {
+            throw new IllegalArgumentException("no such job " + jobName);
+        }
         return job.getBuildByNumber(number);
     }
 
-- 
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