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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.

Cause

Defect

Environment

Release : 12.3.8+ and 21.0.x

Component : AUTOMATION ENGINE

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.