rgmanager "Error receiving header from 0 sz=0 CTX 0xa98bbd0"! in RHEL 5

Issue

• When I tried to relocate a service, it failed with "Error receiving header"

Jul 26 01:35:39 node1 clurgmgrd[10462]: <err> #37: Error receiving header from 2 sz=0 CTX 0xa98bbd0
Jul 26 01:37:26 node1 clurgmgrd[10462]: <err> #43: Service service:svc1 has failed; can not start. 
Jul 26 01:37:26 node1 clurgmgrd[10462]: <crit> #13: Service service:svc1 failed to stop cleanly 

• Our monitoring tool shows rgmanager "error receiving header"

Jul 14 11:42:03 server clurgmgrd[21082]: <err> #37: Error receiving header from 0 sz=-1 CTX 0x16158230