JR45683: JAVA.LANG.STACKOVERFLOWERROR WHEN RENDERING PROCESS DIAGRAM FOR BPD WITH 2 OR MORE CONTROL POINTS IN STRAIGHT SEQUENCE LINE

APAR status

• Closed as program error.

Error description

• REPRODUCTION STEPS
  1. In PA1 Process App create BPD with default Activity
  2. Wire components with sequence lines: Start -> Activity -> End
  3. Create two or more Control Points on sequence line (use
  "Control_Points - s1.twx" instead of steps 1-3)
  4. Login to Process Center Console
  5. Click on PA1 -> Current
  6. Open BPD created in step 1
  
  Expected: Process diagram rendered successfully
  
  Actual: An error occured (see "error.png" screenshot). The
  "java.lang.StackOverflowError" exception is logged in
  SystemOut.log (see attachment).
  

Local fix

Problem summary

• Cannot display BPD model for Monitor sometimes, when there are 2
  or more control points in the link.
  
  USER AFFECTED:
  ==> Business Process Manager Advanced, Standard, and Express
  
  PROBLEM DETAILED DESCRIPTION:
  When there are 2 or more control points in the link, it could
  potentially hit an infinite loop in the code and cause Stack
  Overflow exception.
  

Problem conclusion

• Fixed the cause of the potential infinite loop.
  
  FIX AVAILABILITY:
  Fix for 7.5.1.1 published to Fix Central,
  http://www.ibm.com/support/fixcentral/ .
  It was fixed for 8.0.x, and delivered as part of 8.0.1 release.
  

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

  BPM ADVANCED

• Fixed component ID

  5725C9400

Applicable component levels

• R751 PSY

     UP