Are you sure, you have changed the port value from 11112 to 11119 in your Network Connections? (Configuration -> Devices -> dcm4chee-arc -> Child Objects -> Network Connections)
Also, how exactly are you invoking the C-ECHO? - If its is from another archive or system which was previously configured to connect to your CLIENT1 on port 11112, you need to change the port value to 11119 on that system as well!