PI13945: Rational Developer for System z (RDz) Control flow fails due to CRRZJ004E Unexpected error - Excessive control Flow iteration

Rational Developer for System z Fix Pack 5 (8.5.1.5) for 8.5.1
Rational Developer for System z Fix Pack 7 (8.5.1.7) for 8.5.1
Rational Developer for System z Fix Pack 6 (8.5.1.6) for 8.5.1

APAR status

• Closed as program error.

Error description

• Rational Developer for System z - RDz - v8.5.1
  
  The error, CRRZJ004E Unexpected error was found while opening
  the view.  More information may be available in the log or
  trace file.
  
  In the .log file the following errors are seen:
  !ENTRY com.ibm.systemz.cobol.analysis
  !MESSAGE Excessive control flow iterations: 2000000 Program: xx
  
  !ENTRY com.ibm.systemz.cobol.analysis
  !MESSAGE Unexpected internal error found:
  (ProgramControlFlowDriver.16). Additional information may be
  written to trace if enabled.
  !STACK 0
  java.lang.Exception: Invalid control flow computed
   at com.ibm.systemz.cobol.analysis.ProgramControlFlowDriver.
     calculateGraph(Unknown Source)
   at com.ibm.systemz.cobol.analysis.ProgramControlFlowDriver.
     open(Unknown Source)
   at com.ibm.systemz.cobol.editor.lpex.action.
    OpenProgramControlFlowLpexAction.doAction(Unknown Source)
    .....
  
  
  
  
  
  ***************************************************************
  Local fix:
  

Local fix

Problem summary

• The algorithm for the Control Flow walk was performing excessive
  iterations unnecessarily when encountering NEXT SENTENCE
  statements.
  

Problem conclusion

• The algorithm for the Control Flow walk was updated to improve
  upon NEXT SENTENCE handling.
  
  The problem listed in this APAR has been resolved with
  IBM Rational Developer for System z V8.5.1.5 Fix Pack which
  is available from the Recommended Fixes support download page:
  http://www-1.ibm.com/support/docview.wss?rs=2294&uid=swg27006335
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  RATL DEV FOR SY

• Fixed component ID

  5724T0700

Applicable component levels

• R851 PSY

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