[FIXED HUDSON-6269] Add synchronized on Project.updateTransient actions to avoid

deadlock between saving project config and getting project page.. save locked
transientActions and then project itself; get locks project, then transientActions.


git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@30087 71c3de6d-444a-0410-be80-ed276b4c234a

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

@@ -199,7 +199,7 @@ public abstract class Project<P extends Project<P,B>,B extends Build<P,B>>
     }
 
     @Override
-    protected void updateTransientActions() {
+    protected synchronized void updateTransientActions() {
         synchronized(transientActions) {
             super.updateTransientActions();