resettting trigger from Hudson

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@11347 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/model/Hudson.java

@@ -123,6 +123,7 @@ import java.util.StringTokenizer;
 import java.util.TreeSet;
 import java.util.Vector;
 import java.util.Iterator;
+import java.util.Timer;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.CopyOnWriteArrayList;
@@ -323,6 +324,7 @@ public final class Hudson extends View implements ItemGroup<TopLevelItem>, Node,
         if(theInstance!=null)
             throw new IllegalStateException("second instance");
         theInstance = this;
+        Trigger.timer = new Timer("Hudson cron thread");
 
         try {
             dependencyGraph = DependencyGraph.EMPTY;

core/src/main/java/hudson/triggers/Trigger.java

@@ -202,8 +202,10 @@ public abstract class Trigger<J extends Item> implements Describable<Trigger<?>>
     /**
      * This timer is available for all the components inside Hudson to schedule
      * some work.
+     *
+     * Initialized and cleaned up by {@link Hudson}, but value kept here for compatibility.
      */
-    public static Timer timer = new Timer("Hudson cron thread");
+    public static Timer timer;
 
     public static void init() {
         long MIN = 1000*60;