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Questions tagged [cics]

CICS (Customer Information Control System) is a transaction server that runs primarily on IBM mainframe systems under z/OS and z/VSE.

CICS is a transaction manager designed for rapid, high-volume online processing. Historically this processing was mostly interactive (screen-oriented), but since the addition of APIs to handle http(s) and SOAP web services more legacy applications have had new interfaces retrofitted.

Applications are written in a variety of languages including Assembler, COBOL, Java, PHP, PL/I, and Rexx, and use CICS supplied APIs to interact with CICS resources such as files, database connections or to invoke functions such as invoking a web service.

CICS manages the entire transaction such that if for any reason a part of the transaction fails all recoverable changes can be backed out.

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CICS JCL procedure to compile and link the SIT containing updated CICS parameters

Does CICS have supplied procedure for assembling a SIT? I'm currently checking from https://www.ibm.com/docs/en/cics-ts/5.3?topic=library-cics-supplied-procedures but I can't find anything that uses EXEC PGM=DFHSIP. I'm not in that level yet to…
Roger Strycova
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How to load CICS parameters update after defining DFHSIT SPOOL=YES system intialization parameter?

I updated the DFHSIT$$ in CICSTS54.CICS.SDFHSAMP where I changed SPOOL=NO to SPOOL=YES. How can I make CICS to load the updated table?
Roger Strycova
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How to solve 'NO SPOOL' response in submitting a JCL to INTRDR from CICS?

I am practicing some CICS programming and I want to submit a job from CICS program by using spool commands. However, I get the 'NO SPOOL' return which the IBM documentation says: 80 NOSPOOL No subsystem present. Interface being disabled; CICS is…
Roger Strycova
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How the Mainframe application handle CICS Recycles

During the CICS region recycle, will the incoming request gets time-out? Will the request be logged in some files to check?
MCN
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Mainframe: How to prevent DB2 contention between batch job and CICS transaction?

I have a batch job and a CICS transaction that use the same db2 tables. Both run at regular intervals and the batch job abends once in a while due to contention with the shared DB2 tables. Is there a way to schedule the job in CA7 (job scheduling…
Tonan
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IBM Mainframe scrape in dot net core application

I have a requirement where I need to scrape the IBM mainframe(HOD) screen in a Dot net core web application with React JS as the front end. I am using IBM UtilityBridge which is a COM component. I am able to make it work in my local machine on a…
Abhinav Singh
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Issue with the XML while creating Channel

This is my first XML code, I'm trying to create Channel Description document. Please find the XML and error below.