--- a/src/core/org/apache/jmeter/threads/JMeterThread.java	
+++ a/src/core/org/apache/jmeter/threads/JMeterThread.java	
@@ -308,27 +308,20 @@ public class JMeterThread implements Runnable, Interruptible {
      * @param threadContext 
      */
     private void triggerEndOfLoopOnParentControllers(Sampler sam, JMeterContext threadContext) {
-        
+        // Find parent controllers of current sampler
+        FindTestElementsUpToRootTraverser pathToRootTraverser = null;
         TransactionSampler transactionSampler = null;
         if(sam instanceof TransactionSampler) {
             transactionSampler = (TransactionSampler) sam;
-        }
-
-        Sampler realSampler = findRealSampler(sam);
-        
-        // Find parent controllers of current sampler
-        FindTestElementsUpToRootTraverser pathToRootTraverser = null;
-        if(realSampler instanceof TransactionSampler) {
-            pathToRootTraverser = new FindTestElementsUpToRootTraverser(((TransactionSampler) realSampler).getTransactionController());
+            pathToRootTraverser = new FindTestElementsUpToRootTraverser(transactionSampler.getTransactionController());
         } else {
-            pathToRootTraverser = new FindTestElementsUpToRootTraverser(realSampler);
+            pathToRootTraverser = new FindTestElementsUpToRootTraverser(sam);
         }
         testTree.traverse(pathToRootTraverser);
         
         // Trigger end of loop condition on all parent controllers of current sampler
         List<Controller> controllersToReinit = pathToRootTraverser.getControllersToRoot();
         for (Controller parentController : controllersToReinit) {
-            System.out.println("Will trigger " + parentController.getName());
             if(parentController instanceof AbstractThreadGroup) {
                 AbstractThreadGroup tg = (AbstractThreadGroup) parentController;
                 tg.startNextLoop();
@@ -347,16 +340,6 @@ public class JMeterThread implements Runnable, Interruptible {
         }
     }
 
-    private Sampler findRealSampler(Sampler sam) {
-        Sampler realSampler = sam;
-
-        while(realSampler instanceof TransactionSampler) {
-            realSampler = ((TransactionSampler) realSampler).getSubSampler();
-        }
-       
-        return realSampler;
-    }
-
     /**
      * Process the current sampler, handling transaction samplers.
      *