将OptaPlanner-Core.jar导入drools工作台

我正试图从drools工作台编写一些业务规则，以便与OptaPlanner一起使用。为了做到这一点，我需要添加optaplanner-core.jar文件作为依赖项，以便我的规则文件将进行验证和构建。上载jar文件时，我遇到以下异常：

May 14, 2015 2:41:28 PM org.kie.workbench.common.services.backend.builder.BuildServiceImpl build
SEVERE: org.kie.scanner.embedder.MavenEmbedderException: Failed to read artifact descriptor for org.optaplanner:optaplanner-core:jar:6.1.0.Final
java.lang.RuntimeException: org.kie.scanner.embedder.MavenEmbedderException: Failed to read artifact descriptor for org.optaplanner:optaplanner-core:jar:6.1.0.Final
        at org.kie.scanner.embedder.MavenProjectLoader.parseMavenPom(MavenProjectLoader.java:44)
        at org.kie.scanner.embedder.MavenProjectLoader.parseMavenPom(MavenProjectLoader.java:35)
        at org.kie.scanner.ArtifactResolver.getResolverFor(ArtifactResolver.java:100)
        at org.kie.scanner.KieModuleMetaDataImpl.<init>(KieModuleMetaDataImpl.java:68)
        at org.kie.scanner.KieModuleMetaData$Factory.newKieModuleMetaData(KieModuleMetaData.java:30)
        at org.kie.workbench.common.services.backend.builder.Builder.build(Builder.java:177)
        at org.kie.workbench.common.services.backend.builder.BuildServiceImpl.doBuild(BuildServiceImpl.java:153)
        at org.kie.workbench.common.services.backend.builder.BuildServiceImpl.build(BuildServiceImpl.java:79)
        at org.kie.workbench.common.services.backend.builder.BuildServiceImpl$Proxy$_$$_WeldClientProxy.build(BuildServiceImpl$Proxy$_$$_WeldClientProxy.java)
        at org.guvnor.common.services.builder.ResourceChangeIncrementalBuilder$3.execute(ResourceChangeIncrementalBuilder.java:236)
        at org.guvnor.common.services.builder.IncrementalBuilderExecutorManager$1.run(IncrementalBuilderExecutorManager.java:50)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: org.kie.scanner.embedder.MavenEmbedderException: Failed to read artifact descriptor for org.optaplanner:optaplanner-core:jar:6.1.0.Final
        at org.kie.scanner.embedder.MavenEmbedder.readProject(MavenEmbedder.java:298)
        at org.kie.scanner.embedder.MavenProjectLoader.parseMavenPom(MavenProjectLoader.java:42)
        ... 13 more
Caused by: org.eclipse.aether.resolution.ArtifactDescriptorException: Failed to read artifact descriptor for org.optaplanner:optaplanner-core:jar:6.1.0.Final
        at org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:384)
        at org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor(DefaultArtifactDescriptorReader.java:231)
        at org.eclipse.aether.internal.impl.DefaultDependencyCollector.resolveCachedArtifactDescriptor(DefaultDependencyCollector.java:525)
        at org.eclipse.aether.internal.impl.DefaultDependencyCollector.getArtifactDescriptorResult(DefaultDependencyCollector.java:509)
        at org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:409)
        at org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:363)
        at org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:351)
        at org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:254)
        at org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies(DefaultRepositorySystem.java:316)
        at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:159)
        at org.apache.maven.project.DefaultProjectBuilder.resolveDependencies(DefaultProjectBuilder.java:202)
        at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:175)
        at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:114)
        at org.kie.scanner.embedder.MavenEmbedder.readProject(MavenEmbedder.java:294)
        ... 14 more
Caused by: org.apache.maven.model.resolution.UnresolvableModelException: Failure to transfer org.optaplanner:optaplanner:pom:6.1.0.Final from http://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact org.optaplanner:optaplanner:pom:6.1.0.Final from/to central (http://repo.maven.apache.org/maven2): repo.maven.apache.org
        at org.apache.maven.repository.internal.DefaultModelResolver.resolveModel(DefaultModelResolver.java:154)
        at org.apache.maven.repository.internal.DefaultModelResolver.resolveModel(DefaultModelResolver.java:203)
        at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally(DefaultModelBuilder.java:903)
        at org.apache.maven.model.building.DefaultModelBuilder.readParent(DefaultModelBuilder.java:755)
        at org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:309)
        at org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:375)
        ... 27 more
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Failure to transfer org.optaplanner:optaplanner:pom:6.1.0.Final from http://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact org.optaplanner:optaplanner:pom:6.1.0.Final from/to central (http://repo.maven.apache.org/maven2): repo.maven.apache.org
        at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:444)
        at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:246)
        at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:223)
        at org.apache.maven.repository.internal.DefaultModelResolver.resolveModel(DefaultModelResolver.java:150)
        ... 32 more
Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Failure to transfer org.optaplanner:optaplanner:pom:6.1.0.Final from http://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact org.optaplanner:optaplanner:pom:6.1.0.Final from/to central (http://repo.maven.apache.org/maven2): repo.maven.apache.org
        at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.newException(DefaultUpdateCheckManager.java:238)
        at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.checkArtifact(DefaultUpdateCheckManager.java:206)
        at org.eclipse.aether.internal.impl.DefaultArtifactResolver.gatherDownloads(DefaultArtifactResolver.java:585)
        at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:503)
        at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:421)
        ... 35 more

2015年5月14日下午2:41:28 org.kie.workbench.common.services.backend.builder.BuildServiceImpl build
严重：org.kie.scanner.embedder.MavenEmbedderException:无法读取org.optaplanner:optaplanner core:jar:6.1.0.Final的工件描述符
java.lang.RuntimeException:org.kie.scanner.embedder.MavenEmbedderException:无法读取org.optaplanner:optaplanner核心：jar:6.1.0.Final的工件描述符
位于org.kie.scanner.embedder.MavenProjectLoader.parseMavenPom（MavenProjectLoader.java:44）
位于org.kie.scanner.embedder.MavenProjectLoader.parseMavenPom（MavenProjectLoader.java:35）
位于org.kie.scanner.ArtifactResolver.getResolverFor（ArtifactResolver.java:100）
位于org.kie.scanner.KieModuleMetaDataImpl（KieModuleMetaDataImpl.java:68）
在org.kie.scanner.kiemodulemtadata$Factory.newkiemodulemtadata（kiemodulemtadata.java:30）
位于org.kie.workbench.common.services.backend.builder.builder.build（builder.java:177）
位于org.kie.workbench.common.services.backend.builder.BuildServiceImpl.doBuild（BuildServiceImpl.java:153）
位于org.kie.workbench.common.services.backend.builder.BuildServiceImpl.build（BuildServiceImpl.java:79）
在org.kie.workbench.common.services.backend.builder.BuildServiceImpl$Proxy$\u$$\ uWeldClientProxy.build（BuildServiceImpl$Proxy$\u$$\ uWeldClientProxy.java）
位于org.guvnor.common.services.builder.ResourceChangeIncrementalBuilder$3.execute（ResourceChangeIncrementalBuilder.java:236）
位于org.guvnor.common.services.builder.IncrementalBuilderExecutorManager$1.run（IncrementalBuilderExecutorManager.java:50）
位于java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1142）
位于java.util.concurrent.ThreadPoolExecutor$Worker.run（ThreadPoolExecutor.java:617）
运行（Thread.java:745）
原因：org.kie.scanner.embedder.MavenEmbedderException:无法读取org.optaplanner:optaplanner核心：jar:6.1.0.Final的工件描述符
位于org.kie.scanner.embedder.MavenEmbedder.readProject（MavenEmbedder.java:298）
位于org.kie.scanner.embedder.MavenProjectLoader.parseMavenPom（MavenProjectLoader.java:42）
... 还有13个
原因：org.eclipse.aether.resolution.ArtifactDescriptorException:无法读取org.optaplanner:optaplanner核心：jar:6.1.0.Final的工件描述符
位于org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom（DefaultArtifactDescriptorReader.java:384）
位于org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor（DefaultArtifactDescriptorReader.java:231）
位于org.eclipse.aether.internal.impl.DefaultDependencyCollector.resolveCachedArtifactDescriptor（DefaultDependencyCollector.java:525）
位于org.eclipse.aether.internal.impl.DefaultDependencyCollector.getArtifactDescriptorResult（DefaultDependencyCollector.java:509）
位于org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency（DefaultDependencyCollector.java:409）
位于org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency（DefaultDependencyCollector.java:363）
位于org.eclipse.aether.internal.impl.DefaultDependencyCollector.process（DefaultDependencyCollector.java:351）
位于org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies（DefaultDependencyCollector.java:254）
位于org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies（DefaultRepositorySystem.java:316）
位于org.apache.maven.project.DefaultProjectDependenciesResolver.resolve（DefaultProjectDependenciesResolver.java:159）
位于org.apache.maven.project.DefaultProjectBuilder.resolveDependencies（DefaultProjectBuilder.java:202）
位于org.apache.maven.project.DefaultProjectBuilder.build（DefaultProjectBuilder.java:175）
位于org.apache.maven.project.DefaultProjectBuilder.build（DefaultProjectBuilder.java:114）
位于org.kie.scanner.embedder.MavenEmbedder.readProject（MavenEmbedder.java:294）
... 14多
原因：org.apache.maven.model.resolution.unsolvablemodelexception:未能从中传输org.optaplanner:optaplanner:pom:6.1.0.Finalhttp://repo.maven.apache.org/maven2 已缓存在本地存储库中，在经过central的更新间隔或强制更新之前，不会重新尝试解析。原始错误：无法将工件org.optaplanner:optaplanner:pom:6.1.0.Final从/传输到中心(http://repo.maven.apache.org/maven2)：repo.maven.apache.org
位于org.apache.maven.repository.internal.DefaultModelResolver.resolveModel（DefaultModelResolver.java:154）
位于org.apache.maven.repository.internal.DefaultModelResolver.resolveModel（DefaultModelResolver.java:203）
位于org.apache.maven.model.building.DefaultModelBuilder.ReadParentExternal（DefaultModelBuilder.java:903）
位于org.apache.maven.model.building.DefaultModelBuilder.readParent（DefaultModelBuilder.java:755）
位于org.apache.maven.model.building.DefaultModelBuilder.build（DefaultModelBuilder.java:309）
位于org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom（DefaultArtifactDescriptorReader.java:375）
... 还有27个
原因：org.eclipse.aether.resolution.ArtifactResolutionException:未能从中传输org.optaplanner:optaplanner:pom:6.1.0.Finalhttp://repo.maven.apache.org/maven2 已缓存在本地存储库中，在经过central的更新间隔或强制更新之前，不会重新尝试解析。原始错误：无法将工件org.optaplanner:optaplanner:pom:6.1.0.Final从/传输到中心(http://repo.ma