anonymous wrote : | | Sorry, but don't get it here. The first to access would have the WL on the parent and therefore creating a subsequent child node will go ahead becuase of the same transaction context. So only the other thread will block untill the first transaction is completed. Where is the deadlock here? | | Ok, I was assuming Nodes 1 and 2 were being read, not written. E.g., Tx1 ___ Read Node1 Write Node10 Tx2 ___ Read Node2 Write Node11 That would deadlock. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3999902#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...