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RP Plan Errors Plan Status: Error while solving the plan - Engine Log Shows Error Computing Buffer Levels MAX_POSSIBLE_BUFFER_LEVEL error And java.lang.StackOverflowError (Doc ID 2340575.1)

Last updated on AUGUST 19, 2019

Applies to:

Oracle Rapid Planning - Version 12.2.5 and later
Information in this document applies to any platform.


On : 12.2.5 version, Planning Engine in PROD

Users are on 12.2.5 and have applied patching requirements. They are running an RP plan. However even though the concurrent requests all complete successfully, the UI shows the following error when selecting the Plan name

Plan Status: Error while solving the plan. Check server log for more information.

In the rpengine.log the following error was found

********** START OF planner_.planRequests() *******
  Error Computing Buffer Levels MAX_POSSIBLE_BUFFER_LEVEL error
  Compute Buffer Levels :: Time in MS : 45 :: Memory usage in MB: 2
  PreProcess Reservations :: Time in MS : 11 :: Memory usage in MB: 0
  Planning Clear To Build Orders :: Time in MS : 5 :: Memory usage in MB: 1
  Planning Firm Orders :: Time in MS : 163 :: Memory usage in MB: 15
  Planning Safety Stock for items :: Time in MS : 103 :: Memory usage in MB: 1

Wed Dec 13 12:12:18 PST 2017 java.lang.StackOverflowError
  at oracle.apps.msc.orp.engine.solver.SimpleOperationPlanner.plan(
  at oracle.apps.msc.orp.engine.solver.Planner.planOperationOneChunk(
  at oracle.apps.msc.orp.engine.solver.Planner.planOperation(
  at oracle.apps.msc.orp.engine.solver.SimpleBufferPlanner.planWithSafetyStock(

The issue can be reproduced at will with the following steps:
1. Navigate to Responsibility Supply Chain Simulation Planner
2. Select Plans, Inputs and Simulations
3. Left click PRD_PLAN to receive error.
4. Running the RP plan again results in the same failure




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