Prerequisites

You must ensure that the prerequisites for CICS® Transaction Server, CICS Transaction Gateway and IBM® WebSphere® Liberty Server are satisfied.

Following are the system prerequisites for CICS Transaction Server for IBM z/OS®:

  • The CICS server must be CICS Transaction Server for IBM z/OS.
  • The IBM z/OS identity propagation function must be that provided by IBM z/OS.
  • TCP/IP services must be active in the CICS Server.
    • To activate these services, set the TCPIP system initialization parameter to YES.
    • To check the status of these services, issue a CEMT INQ TCPIP command and check that the status is open.
  • The CICS server must have access to a TCP/IP stack running on the same LPAR.
  • The TCP/IP network must extend between LPARs if CICS Transaction Gateway for IBM z/OS and the CICS server exist on different L Pars.
  • You must set the SEC system initialization parameter to YES to enable security.
  • You must have valid RACF user IDs and passwords.
Following are the system prerequisites for CICS Transaction Gateway:
  • The CICS TG STDENV file must be correctly configured. For more information, refer STDENV file

Following are the system prerequisites for IBM WebSphere Application Server:

  • The CICS TG ECI resource adapter must be installed on Liberty .
  • The jwt-1.0 feature should be enabled in Liberty .

To test that the scenario works successfully you can use either the supplied samples, or your own applications. If you use the supplied samples, this scenario requires the following:

  • The ECIJWT sample EJB application supplied with CICS TG SDK. This sample must be installed to the Liberty.
  • The sample CICS TG server program EC01 must be compiled, defined, and installed on CICS.