1 files changed, 6 insertions, 2 deletions
diff --git a/sandbox/travelsample/travel-contribution/src/scatours/travel/TravelImpl.java b/sandbox/travelsample/travel-contribution/src/scatours/travel/TravelImpl.java
index e4a641e1e5..e5cc0cae8f 100644
--- a/sandbox/travelsample/travel-contribution/src/scatours/travel/TravelImpl.java
+++ b/sandbox/travelsample/travel-contribution/src/scatours/travel/TravelImpl.java
@@ -87,7 +87,9 @@ public class TravelImpl implements TravelSearch, SearchCallback, TravelBooking{
         
         while (responsesReceived < 3){
             try {
-                this.wait();
+                synchronized (this) {
+                    this.wait();
+                }
             } catch (InterruptedException ex){
                 // do nothing
             }
@@ -114,7 +116,9 @@ public class TravelImpl implements TravelSearch, SearchCallback, TravelBooking{
         
         responsesReceived++;
         try {
-            this.notifyAll();
+            synchronized (this) {
+                this.notifyAll();
+            }
         } catch (Exception ex) {
         }
     }