MQ connection refused CSQX599E CSQX616E CipherSpec not enabled reason=769E0291

Products

• ACF2 - z/OS

Issue/Introduction

           TRPTYPE=TCP RC=00000468 (ECONNREFUSED) reason=769E0291
   +CSQX599E %X CSQXRCTL Channel XXXX.TO.YYY ended abnormally
   +CSQX616E %X CSQXRESP The proposed CipherSpec is not enabled. 
              CipherSpec ECDHE_ECDSA_AES_128_CBC_SHA256

 

Environment

ACF2 r16

Resolution

 To resolve the CSQX616E error change the cipher value in JVM/WAS config side to include ECDHE_ECDSA_AES_128_CBC_SHA256.