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[Daniel Schnurr <danielschnurr@xxxxxxxxx>]

** Changed in: tacenergy
       Status: Confirmed => Fix Committed

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BalanceService throws NullPointerException
https://bugs.launchpad.net/bugs/588480
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Status in TAC Enery - Trading Agent Competition for the Energy Market: Fix Committed

Bug description:
Problem: 
If a product is closed that is traded before, the BalanceService throws a NullPointerException when calculating the balancingCosts in line 69:

balancingCosts = -deltaValue * (maxProductPrice.getPrice() + product.competition.balancingCostUnder)

Implications:
BalanceService is called in the CompetitionService. Due to the transactional = true property, the actions of the CompetitionService are rolled back and TimeAdvancement fails.

Todo:
Identify Null Object and assert NotNull