我有一个 optaplanner 应用程序，我想将其导出为可运行的 jar，但是当我运行 jar 时，出现错误，我不知道为什么。
我正在使用车辆路由示例，并且我想使用没有 Eclipse 的 GUI 界面。
Exception in thread "main" java.lang.NullPointerException
at org.kie.internal.io.ResourceFactory.newByteArrayResource(ResourceFactory.java:66)
at org.drools.compiler.kie.builder.impl.AbstractKieModule.getResource(AbstractKieModule.java:308)
at org.drools.compiler.kie.builder.impl.AbstractKieModule.addResourceToCompiler(AbstractKieModule.java:273)
at org.drools.compiler.kie.builder.impl.AbstractKieModule.addResourceToCompiler(AbstractKieModule.java:268)
at org.drools.compiler.kie.builder.impl.AbstractKieProject.buildKnowledgePackages(AbstractKieProject.java:253)
at org.drools.compiler.kie.builder.impl.AbstractKieProject.verify(AbstractKieProject.java:74)
at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildKieProject(KieBuilderImpl.java:267)
at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:235)
at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:184)
at org.optaplanner.core.config.score.director.ScoreDirectorFactoryConfig.buildDroolsScoreDirectorFactory(ScoreDirectorFactoryConfig.java:544)
at org.optaplanner.core.config.score.director.ScoreDirectorFactoryConfig.buildScoreDirectorFactory(ScoreDirectorFactoryConfig.java:351)
at org.optaplanner.core.config.solver.SolverConfig.buildSolver(SolverConfig.java:255)
at org.optaplanner.core.impl.solver.AbstractSolverFactory.buildSolver(AbstractSolverFactory.java:61)
at org.optaplanner.examples.common.app.CommonApp.createSolver(CommonApp.java:136)
at org.optaplanner.examples.common.app.CommonApp.createSolutionBusiness(CommonApp.java:124)
at org.optaplanner.examples.common.app.CommonApp.init(CommonApp.java:115)
at org.optaplanner.examples.common.app.CommonApp.init(CommonApp.java:111)
at org.optaplanner.examples.pmrouting.app.PMRoutingAPP.main(PMRoutingAPP.java:39)