I am experimenting with Google App engine. As part of this, I tried using the sample Photohunt app. I deployed using the launcher on Google App engine. Initially the service worked very well. It was updating photos and associated entities. However, after a few trials, I see that Photo entity is not being updated. However the blob viewer shows me the updated image. It seems the entity is not getting updated/added. How can I debug the same? All the quotas are with in range.