Dynamic Capacity Intelligence (DCI) 2.0 Agent keep getting messages like the following ones on DCILOG:
20220728 140500 DCI0999E: ERROR READ : (000003F7/FFFFFFFF)
20220728 140500 DCI0999E: ERROR SOCKET : (000003F7/FFFFFFFF)
20220728 140500 DCI0999E: ERROR CONNECT : (000003F7/FFFFFFFF)
20220728 140500 DCI2013E: NO TCPIP CONNECTION TO CONTROLLER.
20220728 140500 DCI0999E: ERROR CLOSE : (000003F7/FFFFFFFF)
20220728 140500 DCI0999E: ERROR SOCKET : (000003F7/FFFFFFFF)
20220728 140500 DCI0999E: ERROR CONNECT : (000003F7/FFFFFFFF)
20220728 140500 DCI0999E: ERROR CLOSE : (000003F7/FFFFFFFF)
Then, when the Agent is stopped, the following message is issued:
EZZ4215I TCP/IP ABEND - DUMPING
and an SVC DUMP of the TCPIP region and the Agent region is taken. On TCPIP joblog, a message like the following is issued:
16.17.12 STC23743 IEA794I SVC DUMP HAS CAPTURED: 847
847 DUMPID=028 REQUESTED BY JOB (DCIAGNT )
847 DUMP TITLE=TCPIP V2R3 : Job(DCIAGNT ) UNKNOWN (??????? ?????
847 ?)+?????? S0C4/00000010 TCB P=0061,S=0061,H=0061
Finally, DCI Agents gets a S0C4 in ZDCA0100
Release : 2.0
Component : DYNAMIC CAPACITY INTELLIGENCE
DCI Agent suddenly gets disconnected from TCPIP. ERRNO x'3F7' (decimal 1015) means EIBMBADCONNECTIONMATCH
Per IBM analysis, it is the same problem described by APAR PH45668.
This is fixed with z/OS V2R4 and V2R5.