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Course Catalog » CICS Transaction Server Curriculum

Debugging CICS Programs

4 hours



The Debugging CICS Programs course looks at several different CICS supplied transactions and system facilities that can be used to identify, and diagnose problems. The CEMT command is discussed in length, providing examples that show how CICS resource details are displayed and updated. The invoking of CICS debugging transactions and interpretation of results is covered, as well as the use of system dumps and traces.


Application developers and systems administrators whose role is to identify and resolve CICS applications or system problems.


Completion of the following Interskill course, or equivalent knowledge:

  • Programming for Recovery


After completing this course, the learner should be able to:

  • Describe how CEMT commands can be used to display, and manipulate CICS resources
  • Identify CICS supplied transactions that can be used for debugging purposes
  • Explain how CICS dumps and traces are invoked

Course Content

The CEMT Transaction

Invoking CEMT

Issuing CEMT Commands


CEMT Commands from the z/OS Console

CEMT Documentation

Updating using CEMT

SET Command

Modifying Program Attributes

Removing a Resource Definition

Shutting Down CICS


Transactions for CICS Debugging

Execution Diagnostic Facility (EDF)

Invoking and Running an EDF Session

CEDF and CEDX Transactions

EDF Debugging Options

Stepping Through Execution

CEDF Dual-Screen Mode

Updating Data


CECI Transaction

Invoking and Interpreting CECI Commands and Output

CECS and CEBR Transactions

CICS Traces and Dumps

CICS System Dumps

Automatic and Manual Dump Requests

Transaction Dumps

Analyzing Dump Data

Internal and Auxiliary Traces

CETR Transaction

Traces Invoked from CICS Programs

z/OS Generalized Trace Facility (GTF)

JVM Trace

Interpreting Trace Data

Debugging CICS Programs Mastery Test

Course Catalog » CICS Transaction Server Curriculum
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