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Debugging COBOL Programs Using Xpediter

Course content updated by LearnQuest
1,170 USD
2 Days
Classroom Training
IBM Business Partner
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Course Description


This course is designed to provide students with the skills to use Xpediter to test and debug COBOL programs. Students will test, analyze and debug COBOL programs using Xpediter running under TSO.

Upon completion, students will be able to set breakpoints, view and modify data fields, step through program logic, temporarily change program logic, set WHEN conditions, monitor execution path of a program, detect and correct abends as they occur, and test subprogram modules. In addition, they will know the requirements for preparing for an Xpediter session and the purpose and function of the repository.


This course is one step in the following Learning Journey:

  1. Mainframe Application Developer


Upon completion of the course, students will be able to:
  • Discuss why COBOL programs fail and abends that occur with COBOL programs
  • Recognize how numbers can become corrupted
  • Implement testing strategies
  • Prepare for an Xpediter session
  • Utilize common Xpediter commands, such as AT, COUNT, FIND, GO, KEEP, LAST, LOCATE, LOG, MONITOR, PEEK, RESTEST, REVERSE, SET, SHOW, TRACE, WHEN, WS
  • Diagnose and fix COBOL programs using Xpediter


  • Developers


    • Experience coding COBOL programs, as well as TSO and JCL


  • Testing and Debugging COBOL Programs
    • Numbering Systems
      • Decimal
      • Binary
      • Hexadecimal
    • Decimal, Binary, and Hexadecimal Table
    • Testing Strategies
      • Unit Testing
      • System (Integration) Testing
      • Regression Testing
    • Standard Compiler Listing
    • Expanded Compiler Listing
    • Usefulness of listings w/Abends
    • A 7 Step Abend Solving Methodology
    • System Abends
    • Common System Abend Codes
      • S001
      • S013
      • S0Cn
      • S213
      • S913
      • SB37
      • SC37
      • SD37
      • SE37
      • S806
    • Common User Abend Codes
      • U1020
      • U1035
      • U1037
      • U1018
      • U4038
    • Deliberately Abending a Program with ILBOABN0
    • Abridged S0C7
    • JES Job Log Notes
    • Summary and Review
    • Exercise
  • Debugging Derby Part One
    • Students will work in teams or individually to identify and fix 8 COBOL programs with bugs in them
  • Interactive Debugging
    • Logic Capabilities
    • Data Capabilities
    • Navigation Capabilities
    • Recovery Capabilities
    • The Repository
    • Preparing for an Xpediter session
      • Compiling
      • Allocating I/O files
    • Starting a Test Session
    • Choosing a Test Environment
    • Summary and Review
    • Exercise: Compiling, preparing, allocating, starting Xpediter session
  • Sample Xpediter Session
    • FIND command
    • Setting Before and After Breakpoints
    • Setting COUNT and Skip Breakpoints
    • Using the WHEN conditional command
    • PEEKing at data
    • Displaying variables with KEEP
    • Repositioning current pointer with GOTO
    • SHOW command
    • Trace facility
    • EXIT
  • Xpediter Commands
    • AA
    • After
    • AT
    • Before
    • BREAKs
    • Count
    • DEBUG
    • DELete
    • Exclude
    • EXIT
    • First
    • GEN
    • GO
    • GOTO
    • Help
    • IF
    • INClude
    • INSert
    • INTercept
    • Keep
    • Last
    • LOAD
    • LOCate
    • LOG
    • MEMory
    • MONitor
    • MODIFY
    • Move
    • MSGS
    • NOLines
    • PAUSE
    • Peek
    • PROFiles
    • RESet
    • RESUME
    • RETest
    • REVerse
    • RUN
    • SET
    • Show
    • Skip
    • Source
    • SUBs
    • TEST
    • TRAce
    • USE
    • WHEN
    • WS
  • Debugging Derby Part Two
    • Students will work in teams or individually to identify and fix 8 COBOL programs with bugs in them using Xpediter
  • 2020 Top 20 Training Industry Company - IT Training

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