From 42d46cab43f407068786b03a5e5e12a55c799f49 Mon Sep 17 00:00:00 2001
From: kohsuke <kohsuke@71c3de6d-444a-0410-be80-ed276b4c234a>
Date: Wed, 18 Mar 2009 00:26:45 +0000
Subject: [PATCH] avoid negative value

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@16360 71c3de6d-444a-0410-be80-ed276b4c234a
---
 core/src/main/java/hudson/model/PeriodicWork.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/main/java/hudson/model/PeriodicWork.java b/core/src/main/java/hudson/model/PeriodicWork.java
index 8b74fb3969..f400770c86 100644
--- a/core/src/main/java/hudson/model/PeriodicWork.java
+++ b/core/src/main/java/hudson/model/PeriodicWork.java
@@ -80,7 +80,7 @@ public abstract class PeriodicWork extends SafeTimerTask implements ExtensionPoi
      * By default it chooses the value randomly between 0 and {@link #getRecurrencePeriod()}
      */
     public long getInitialDelay() {
-        return new Random().nextLong()%getRecurrencePeriod();
+        return Math.abs(new Random().nextLong())%getRecurrencePeriod();
     }
 
     /**
-- 
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