Uploaded image for project: 'OptaPlanner'
  1. OptaPlanner
  2. PLANNER-12

NPE during benchmark when no solution found so far

    XMLWordPrintable

Details

    • Bug
    • Resolution: Done
    • Major
    • 5.5.0.Final
    • None
    • optaplanner-core
    • None

    Description

      Running a benchamrk on a slow machine throws a NPE because there is no best solution found yet.

      Benchmark log:

      19:19:09.454 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.b.core.DefaultPlannerBenchmark - Benchmarking started: solverBenchmarkList size (2).
19:19:09.465 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.b.core.DefaultPlannerBenchmark - ================================================================================
19:19:09.465 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.b.core.DefaultPlannerBenchmark - Warming up
19:19:09.465 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.b.core.DefaultPlannerBenchmark - ================================================================================
19:19:14.598 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.core.solver.DefaultSolver - Solving started: time spend (0), score (null), new best score (null), random seed (0).
19:19:16.809 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.c.c.g.DefaultGreedyFitSolverPhase - Phase construction heuristic ended: step total (24), time spend (2211), best score (0hard/-42soft).
19:20:22.537 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.c.l.DefaultLocalSearchSolverPhase - Phase local search ended: step total (30), time spend (67939), best score (0hard/-33soft).
19:20:22.538 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.core.solver.DefaultSolver - Solving ended: time spend (67940), best score (0hard/-33soft), average calculate count per second (17).
19:20:22.538 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.b.core.DefaultPlannerBenchmark - ================================================================================
19:20:22.538 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.b.core.DefaultPlannerBenchmark - Finished warmUp
19:20:22.538 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.b.core.DefaultPlannerBenchmark - ================================================================================
19:21:04.936 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.core.solver.DefaultSolver - Solving started: time spend (0), score (null), new best score (null), random seed (0).
19:21:23.205 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.c.c.g.DefaultGreedyFitSolverPhase - Phase construction heuristic ended: step total (24), time spend (18269), best score (0hard/-42soft).
19:21:25.876 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.c.l.DefaultLocalSearchSolverPhase - Phase local search ended: step total (83), time spend (20940), best score (0hard/-16soft).
19:21:28.444 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.c.l.DefaultLocalSearchSolverPhase - Phase local search ended: step total (36), time spend (23508), best score (0hard/0soft).
19:21:28.445 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.core.solver.DefaultSolver - Solving ended: time spend (23509), best score (0hard/0soft), average calculate count per second (286).
19:21:28.988 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.core.solver.DefaultSolver - Solving started: time spend (0), score (null), new best score (null), random seed (0).
19:21:29.759 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.c.c.g.DefaultGreedyFitSolverPhase - Phase construction heuristic ended: step total (24), time spend (771), best score (0hard/-42soft).
19:21:31.522 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.c.l.DefaultLocalSearchSolverPhase - Phase local search ended: step total (93), time spend (2534), best score (0hard/-21soft).
19:21:31.881 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.c.l.DefaultLocalSearchSolverPhase - Phase local search ended: step total (10), time spend (2893), best score (0hard/0soft).
19:21:31.882 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.core.solver.DefaultSolver - Solving ended: time spend (2894), best score (0hard/0soft), average calculate count per second (1005).
19:21:32.121 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.core.solver.DefaultSolver - Solving started: time spend (0), score (null), new best score (null), random seed (0).
19:21:35.250 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.c.c.g.DefaultGreedyFitSolverPhase - Phase construction heuristic ended: step total (93), time spend (3129), best score (-6hard/-214soft).
19:22:05.244 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.c.l.DefaultLocalSearchSolverPhase - Phase local search ended: step total (166), time spend (33123), best score (0hard/-249soft).
19:22:39.981 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.c.l.DefaultLocalSearchSolverPhase - Phase local search ended: step total (2), time spend (67860), best score (0hard/-239soft).
19:22:39.981 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.core.solver.DefaultSolver - Solving ended: time spend (67860), best score (0hard/-239soft), average calculate count per second (166).
19:22:54.490 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.core.solver.DefaultSolver - Solving started: time spend (0), score (null), new best score (null), random seed (0).
19:23:54.743 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.c.c.g.DefaultGreedyFitSolverPhase - Phase construction heuristic ended: step total (53), time spend (60253), best score (null).
19:23:54.748 [org.drools.planner.examples.tournaments.Benchmark.main()] INFO  o.d.p.core.solver.DefaultSolver - Solving ended: time spend (60258), best score (null), average calculate count per second (54).

      Exception:

      Caused by: java.lang.NullPointerException
	at org.drools.planner.benchmark.core.ProblemBenchmark.benchmark(ProblemBenchmark.java:127)
	at org.drools.planner.benchmark.core.DefaultPlannerBenchmark.benchmark(DefaultPlannerBenchmark.java:133)
	at org.drools.planner.examples.tournaments.Benchmark.main(Benchmark.java:25)
	... 6 more

      Attachments

        Issue Links

          is blocked by

          Feature Request - Feature requests from customers and/or users PLANNER-60 Planner should support a null planning value

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Resolved

          Enhancement - An enhancement to or refactoring of existing functionality that is not configurable by an end user (typically a change made by an internal team that affects users) PLANNER-46 getBestSolution() should be able to return partially initialized Solution (or even a completely uninitialized solution) if the CH haven't finished (or started) yet

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Resolved
          relates to

          Feature Request - Feature requests from customers and/or users PLANNER-61 Multi-threaded Benchmarker in Planner

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Resolved

          Bug - A problem that impairs or prevents the functions of the product. PLANNER-24 NPE in DefaultHardAndSoftScore.compareTo()

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Resolved

          Activity

            People

              gdesmet@redhat.com Geoffrey De Smet (Inactive)
              mvecera Martin Vecera
              Votes:
              0 Vote for this issue
              Watchers:
              2 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: