From 1f702f1eb1dc3384797f4e6dc0a64e18797b375b Mon Sep 17 00:00:00 2001
From: zzz <zzz@mail.i2p>
Date: Sun, 13 Feb 2011 20:28:46 +0000
Subject: [PATCH]     * JobQueue: Prevet NPE at shutdown (thanks liberty)

---
 router/java/src/net/i2p/router/JobQueue.java | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/router/java/src/net/i2p/router/JobQueue.java b/router/java/src/net/i2p/router/JobQueue.java
index 86c050b08..70a1b3bfe 100644
--- a/router/java/src/net/i2p/router/JobQueue.java
+++ b/router/java/src/net/i2p/router/JobQueue.java
@@ -227,10 +227,14 @@ public class JobQueue {
     }
 
     public long getMaxLag() { 
+            // first job is the one that has been waiting the longest
             Job j = _readyJobs.peek();
             if (j == null) return 0;
-            // first job is the one that has been waiting the longest
-            long startAfter = j.getTiming().getStartAfter();
+            JobTiming jt = j.getTiming();
+            // PoisonJob timing is null, prevent NPE at shutdown
+            if (jt == null)
+                return 0;
+            long startAfter = jt.getStartAfter();
             return _context.clock().now() - startAfter;
     }