NPE in household-customer

[govertbuijs]

java.lang.ArrayIndexOutOfBoundsException: Array index out of range: 0
at java.util.Vector.get(Vector.java:694)
at org.powertac.householdcustomer.customers.Village.logitPossibilityEstimation(Village.java:2352)
at org.powertac.householdcustomer.customers.Village.possibilityEvaluationNewTariffs(Village.java:2142)
at org.powertac.householdcustomer.HouseholdCustomerService.publishNewTariffs(HouseholdCustomerService.java:392)
at org.powertac.tariffmarket.TariffMarketService.publishTariffs(TariffMarketService.java:592)
at org.powertac.tariffmarket.TariffMarketService.activate(TariffMarketService.java:568)
at org.powertac.server.CompetitionControlService.step(CompetitionControlService.java:725)
at org.powertac.server.CompetitionControlService.access$600(CompetitionControlService.java:83)
at org.powertac.server.CompetitionControlService$SimRunner.run(CompetitionControlService.java:1027)

[chrysopoulos18]

I will look into it.

[chrysopoulos18]

This is fixed.

[jecollins]

Either it's not fixed, or there is another array out of bounds problem. But now it appears to be (more) repeatable. Here's the backtrace from the test report:

java.lang.ArrayIndexOutOfBoundsException: Array index out of range: 0
        at java.util.Vector.get(Vector.java:694)
        at org.powertac.householdcustomer.customers.Village.logitPossibilityEstimation(Village.java:2354)
        at org.powertac.householdcustomer.customers.Village.possibilityEvaluationNewTariffs(Village.java:2143)
        at org.powertac.householdcustomer.HouseholdCustomerService.publishNewTariffs(HouseholdCustomerService.java:392)

and here's the debug log from the test at the point of failure:

51152 DEBUG customers.Village: Variable Dominant Cost Summary: -4.28715E7
51152 DEBUG customers.Village: Variable Cost Summary: -1.26331E8
51152 DEBUG customers.Village: Minimum Duration: 7.0
51152 DEBUG customers.Village: Cost Variable: 4.2110333333333336E7 Cost Fixed: 142.857142857142
86
51152 DEBUG customers.Village: Estimation for 0: 117.90879047619048
51152 DEBUG customers.Village: Cost variable: 5895.439523809524
51152 DEBUG customers.Village: Summary of Estimation: Infinity
51152 DEBUG customers.Village: Estimation for 1: -0.08422066666666667
51152 DEBUG customers.Village: Cost variable: -4.211033333333333
51152 DEBUG customers.Village: Summary of Estimation: Infinity
51152 DEBUG customers.Village: Estimation for 2: -42.11047619047619
51152 DEBUG customers.Village: Cost variable: -2105.5238095238096
51152 DEBUG customers.Village: Summary of Estimation: Infinity
51152 DEBUG customers.Village: Randomizer Vector: []
51152 DEBUG customers.Village: Possibility Vector: [0, 0, 0]

[chrysopoulos18]

As I said in my mail, the TariffHelper is returning positive values when the tariff is variable. When it is fixed, it returns negative numbers.

When I change the positive returns of variable tariffs then everything works correctly.

[jecollins]

It seems to have been a problem in the test case, not in the customer model itself. Looks like this is solved.