I have enabled both the traces 1204 and 1222 in sql server 2008 but not able to capture deadlocks

2014-09-06 12:04:10,140 ERROR [org.apache.catalina.core.ContainerBase] Servlet.service() for servlet DoMethod threw exception

javax.servlet.ServletException: java.lang.Exception: [ErrorCode] 0010 [ServerError] [DM_SESSION_E_DEADLOCK]error:  "Operation failed due to DBMS Deadlock error." 

And

I have enabled both the traces 1204 and 1222 in sql server 2008 but still I am not getting any deadlock in sql server logs.