Concurrent manger is started by script adcmctl.sh. This is located at$COMMON_TOP/ admin/scripts/<CONTEXT_NAME >
something like at /appltest/testcomn/admin/scripts/TEST_myhost01. View this file and will get a line near at the beginning like LOGFILE="/appltest/testcomn/admin/log/TEST_myhost01/adcmctl.txt"
This is the concurrent manger log.