Solution : https://service.sap.com/sap/support/notes/575141 (SAP Service marketplace login required)
Key words :
terms smicm exe/j2ee rdisp/j2ee_start rdisp/j2ee_start_lazy j2ee enginej2ee engine reason, transaction smicm -> administration -> sap j2ee engine -> terminate, sap j2ee server nodes listed, /j2ee/tools/r3startup/clusterpids file, dispatcher terminates sap j2ee, sap j2ee engine, transaction smicm, symptom java processes, prerequisites java processes, cst patch collection 49 2002