Increase Transaction timeout in SOA Server

I received the below error in soa_server1 :-

Transaction Rolledback.: weblogic.transaction.internal.TimedOutException: Transaction timed out after 603 seconds BEA1-3FB6FB464035C13E3227 at 

From the above error, transaction timeout should be increased regarding to heavy transaction on soa server.

to do this follow the following steps :-

access weblogic console –> Deployment –> and search for Soa_infra. ( expand it)

Check the below EJBS services and click on it configuration tab :-
BPELActivityManagerBean
BPELEngineBean
BPELInstanceManagerBean
BPELProcessManagerBean
BPELServerManagerBean

If this not working on you have to increase transaction timeout for JTA, Access Weblogic Console select Services > JTA
Thank you 
Osama Mustafa