[jboss-jira] [JBoss JIRA] (JBRULES-3532) NPE in DefaultHardAndSoftScore.compareTo()

[Geoffrey De Smet (JIRA)]

    [ https://issues.jboss.org/browse/JBRULES-3532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12709416#comment-12709416 ] 

Geoffrey De Smet commented on JBRULES-3532:
-------------------------------------------

@Martin I had to make some refactors in that code for some new work. Can you confirm this bug is still valid? Do you still want to take a stab it yourself (which would be very welcome)?
                
> NPE in DefaultHardAndSoftScore.compareTo()
> ------------------------------------------
>
>                 Key: JBRULES-3532
>                 URL: https://issues.jboss.org/browse/JBRULES-3532
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-planner
>    Affects Versions: 5.4.0.Final
>            Reporter: Martin Vecera
>            Assignee: Geoffrey De Smet
>
> When running a benchmark on a very slow machine (virtual machine), hard and soft part of the score might remain uninitialized for long time (might be related to JBRULES-3413). This discovered an issue in the compareTo() method.
> Caused by: java.lang.NullPointerException
> 	at org.drools.planner.core.score.buildin.hardandsoft.DefaultHardAndSoftScore.compareTo(DefaultHardAndSoftScore.java:125)
> 	at org.drools.planner.core.score.buildin.hardandsoft.DefaultHardAndSoftScore.compareTo(DefaultHardAndSoftScore.java:27)
> 	at org.drools.planner.benchmark.core.ProblemBenchmark.determineWinningResult(ProblemBenchmark.java:180)
> 	at org.drools.planner.benchmark.core.ProblemBenchmark.benchmarkingEnded(ProblemBenchmark.java:173)
> 	at org.drools.planner.benchmark.core.DefaultPlannerBenchmark.benchmarkingEnded(DefaultPlannerBenchmark.java:201)
> 	at org.drools.planner.benchmark.core.DefaultPlannerBenchmark.benchmark(DefaultPlannerBenchmark.java:135)
> 	at org.drools.planner.examples.tournaments.Benchmark.main(Benchmark.java:25)
> 	... 6 more

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