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U00045014 - Unable to find the fromVertex for WorkflowStructureItem

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Article ID: 237697

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Updated On:

Products

CA Automic Workload Automation - Automation Engine

Issue/Introduction

The JCP on each of our AE nodes stopped working and in the JCP logs we are able to find many of the following error messages:

U00045014 Exception 'java.lang.IllegalArgumentException: "Unable to find the fromVertex for WorkflowStructureItem{runId=1207624079, ertEnd=2022-02-23 13:00:14.0, objectName='FACP_AM_CUSTOMERDSSEWF_DEV', objectType='JOBP', objectSubType='null', lnr=5, predecessorLnr=4, ertInSeconds=4426, rrtInSeconds=0, startTime=2022-02-23 11:46:28.0, endTime=null, status=0, parentRunId=1207621055, childLoopIndex=0, loopIndex=null, loopCount=null, activationTime=2022-02-23 03:00:40.0, earliestStartTime=null, topNr=null}"' at 'com.automic.ert.model.WorkflowBuilder.createEdges():133'.

We had to restart all JCPs in order to resume normal operation.

This seems to occur when displaying the Workflow Monitor of some particular Workflows that contain disabled tasks.

Environment

Release : 12.3.8+ and 21.0.x

Component : AUTOMATION ENGINE

Cause

Defect

Resolution

Update to a fix version listed below or a newer version if available.  Please note that this requires an update to the utilities and initialdata, as well as the AWI being on 21.0.3

Fix version:
Component(s): Automation Engine

Automation.Engine 12.3.9 HF1 - Available
Automation.Engine 21.0.3 HF3 - Available
Automation.Engine 21.0.4 - Available

Additional Information

Solution details: A bug was fixed where the critical path calculation would fail if the Workflow (JOBP) contained disabled tasks.