Solution : https://service.sap.com/sap/support/notes/777636 (SAP Service marketplace login required)
Key words :
instance_<number> -> server<number> -> managers -> logmanager3, sap j2ee engine withsp7, terms j2ee engine, sap j2ee engine, sap j2ee engine2, thread dump reveals, dead lock problem, thread dump creation, deadlock occured incom, cluster including dispatcher8
Related Notes :
710154 | How to create a thread dump for the J2EE Engine 6.40/7.0 |