当我准备在 Eclipse 上为 EGit 做出贡献时出现问题，我无法完成下载过程

Question

有 EGit 贡献者的网站： Egit/贡献者指南

按照自动化开发人员设置，我几乎完成了几个步骤，并成功地安装了Eclipse Photon。当 IDE 启动时，它将执行启动任务。然后，我得到了除一个名为"egit-4.6"的小文件之外的所有文件。这是它的信息： egit-4.6的信息

我单击了"完成"以下载文件，但也有以下例外情况：

Executing startup tasks
Java(TM) SE Runtime Environment 1.8.0_181-b13
Product org.eclipse.products.epp.package.committers.latest.released
Workspace C:Users24541egit-masterws
Project org.eclipse.egit.master
Bundle org.eclipse.oomph.setup 1.9.0.v20180529-0916, build=3551, branch=5a7202105cdec0e9bc9553799ba330ea58714ce5
Bundle org.eclipse.oomph.setup.core 1.9.0.v20180529-0916, build=3551, branch=5a7202105cdec0e9bc9553799ba330ea58714ce5
Bundle org.eclipse.oomph.setup.git 1.9.0.v20180529-0916, build=3551, branch=5a7202105cdec0e9bc9553799ba330ea58714ce5
Bundle org.eclipse.oomph.setup.p2 1.9.0.v20180529-0916, build=3551, branch=5a7202105cdec0e9bc9553799ba330ea58714ce5
Bundle org.eclipse.oomph.setup.pde 1.9.0.v20180529-0916, build=3551, branch=5a7202105cdec0e9bc9553799ba330ea58714ce5
Bundle org.eclipse.oomph.setup.projects 1.9.0.v20180529-0916, build=3551, branch=5a7202105cdec0e9bc9553799ba330ea58714ce5
Bundle org.eclipse.oomph.setup.targlets 1.9.0.v20180529-0916, build=3551, branch=5a7202105cdec0e9bc9553799ba330ea58714ce5
Bundle org.eclipse.oomph.setup.workingsets 1.9.0.v20180529-0916, build=3551, branch=5a7202105cdec0e9bc9553799ba330ea58714ce5
Performing Target Platform egit-4.6
Fetching p2.index from http://download.eclipse.org/tools/orbit/downloads/drops/R20180606145124/repository/
Fetching p2.index from http://download.eclipse.org/tools/orbit/downloads/drops/R20170919201930/repository/
Fetching p2.index from http://download.eclipse.org/releases/neon/
ERROR: org.eclipse.pde.core code=0 Problems occurred while resolving the target contents
at org.eclipse.oomph.util.OomphPlugin.coreException(OomphPlugin.java:280)
at org.eclipse.oomph.util.pde.TargetPlatformUtil.activateTargetDefinition(TargetPlatformUtil.java:151)
at org.eclipse.oomph.setup.pde.impl.TargetPlatformTaskImpl.perform(TargetPlatformTaskImpl.java:293)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.doPerformNeededSetupTasks(SetupTaskPerformer.java:3332)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.access$1(SetupTaskPerformer.java:3275)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil$1.run(SetupTaskPerformer.java:4502)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2289)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2316)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil.performNeededSetupTasks(SetupTaskPerformer.java:4496)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil.access$0(SetupTaskPerformer.java:4494)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performNeededSetupTasks(SetupTaskPerformer.java:3266)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performTriggeredSetupTasks(SetupTaskPerformer.java:3241)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.perform(SetupTaskPerformer.java:3141)
at org.eclipse.oomph.setup.ui.wizards.ProgressPage$9.run(ProgressPage.java:575)
at org.eclipse.oomph.setup.ui.wizards.ProgressPage$11$1.run(ProgressPage.java:701)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:60)
ERROR: org.eclipse.pde.core code=0 Problems loading repositories
ERROR: org.eclipse.pde.core code=0 Problems loading repositories
ERROR: org.eclipse.equinox.p2.metadata.repository code=1002 Unable to read repository at http://download.eclipse.org/jetty/updates/jetty-bundles-9.x/9.4.8.v20171121.
java.io.IOException: http://download.eclipse.org/jetty/updates/jetty-bundles-9.x/9.4.8.v20171121 is not a valid repository location.
at org.eclipse.equinox.internal.p2.metadata.repository.SimpleMetadataRepositoryFactory.load(SimpleMetadataRepositoryFactory.java:100)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.factoryLoad(MetadataRepositoryManager.java:60)
at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:767)
at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:668)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:107)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:102)
at org.eclipse.pde.internal.core.target.P2TargetUtils.getQueryableMetadata(P2TargetUtils.java:907)
at org.eclipse.pde.internal.core.target.IUBundleContainer.getRootIUs(IUBundleContainer.java:721)
at org.eclipse.pde.internal.core.target.P2TargetUtils.getRootIUs(P2TargetUtils.java:1361)
at org.eclipse.pde.internal.core.target.P2TargetUtils.resolveWithSlicer(P2TargetUtils.java:1128)
at org.eclipse.pde.internal.core.target.P2TargetUtils.synchronize(P2TargetUtils.java:761)
at org.eclipse.pde.internal.core.target.TargetDefinition.resolve(TargetDefinition.java:368)
at org.eclipse.oomph.util.pde.TargetPlatformUtil.activateTargetDefinition(TargetPlatformUtil.java:150)
at org.eclipse.oomph.setup.pde.impl.TargetPlatformTaskImpl.perform(TargetPlatformTaskImpl.java:293)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.doPerformNeededSetupTasks(SetupTaskPerformer.java:3332)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.access$1(SetupTaskPerformer.java:3275)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil$1.run(SetupTaskPerformer.java:4502)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2289)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2316)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil.performNeededSetupTasks(SetupTaskPerformer.java:4496)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil.access$0(SetupTaskPerformer.java:4494)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performNeededSetupTasks(SetupTaskPerformer.java:3266)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performTriggeredSetupTasks(SetupTaskPerformer.java:3241)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.perform(SetupTaskPerformer.java:3141)
at org.eclipse.oomph.setup.ui.wizards.ProgressPage$9.run(ProgressPage.java:575)
at org.eclipse.oomph.setup.ui.wizards.ProgressPage$11$1.run(ProgressPage.java:701)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:60)
ERROR: org.eclipse.pde.core code=0 Problems loading repositories
ERROR: org.eclipse.equinox.p2.core code=1002 Unable to read repository at file:/C:/Users/24541/egit-master/ws/.metadata/.plugins/org.eclipse.pde.core/.p2/org.eclipse.equinox.p2.repository/cache/compositeContent1035882654.xml
java.io.IOException: 外部 DTD: 无法读取外部 DTD 'xhtml1-transitional.dtd', 因为 accessExternalDTD 属性设置的限制导致不允许 'http' 访问。
at org.eclipse.equinox.internal.p2.persistence.CompositeParser.parse(CompositeParser.java:191)
at org.eclipse.equinox.internal.p2.persistence.CompositeRepositoryIO.read(CompositeRepositoryIO.java:64)
at org.eclipse.equinox.internal.p2.metadata.repository.CompositeMetadataRepositoryFactory.load(CompositeMetadataRepositoryFactory.java:117)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.factoryLoad(MetadataRepositoryManager.java:60)
at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:767)
at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:668)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:107)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:102)
at org.eclipse.pde.internal.core.target.P2TargetUtils.getQueryableMetadata(P2TargetUtils.java:907)
at org.eclipse.pde.internal.core.target.IUBundleContainer.getRootIUs(IUBundleContainer.java:721)
at org.eclipse.pde.internal.core.target.P2TargetUtils.getRootIUs(P2TargetUtils.java:1361)
at org.eclipse.pde.internal.core.target.P2TargetUtils.resolveWithSlicer(P2TargetUtils.java:1128)
at org.eclipse.pde.internal.core.target.P2TargetUtils.synchronize(P2TargetUtils.java:761)
at org.eclipse.pde.internal.core.target.TargetDefinition.resolve(TargetDefinition.java:368)
at org.eclipse.oomph.util.pde.TargetPlatformUtil.activateTargetDefinition(TargetPlatformUtil.java:150)
at org.eclipse.oomph.setup.pde.impl.TargetPlatformTaskImpl.perform(TargetPlatformTaskImpl.java:293)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.doPerformNeededSetupTasks(SetupTaskPerformer.java:3332)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.access$1(SetupTaskPerformer.java:3275)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil$1.run(SetupTaskPerformer.java:4502)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2289)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2316)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil.performNeededSetupTasks(SetupTaskPerformer.java:4496)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil.access$0(SetupTaskPerformer.java:4494)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performNeededSetupTasks(SetupTaskPerformer.java:3266)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performTriggeredSetupTasks(SetupTaskPerformer.java:3241)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.perform(SetupTaskPerformer.java:3141)
at org.eclipse.oomph.setup.ui.wizards.ProgressPage$9.run(ProgressPage.java:575)
at org.eclipse.oomph.setup.ui.wizards.ProgressPage$11$1.run(ProgressPage.java:701)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:60)
Caused by: org.xml.sax.SAXParseException: 外部 DTD: 无法读取外部 DTD 'xhtml1-transitional.dtd', 因为 accessExternalDTD 属性设置的限制导致不允许 'http' 访问。
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at org.eclipse.equinox.internal.p2.persistence.CompositeParser.parse(CompositeParser.java:186)
at org.eclipse.equinox.internal.p2.persistence.CompositeRepositoryIO.read(CompositeRepositoryIO.java:64)
at org.eclipse.equinox.internal.p2.metadata.repository.CompositeMetadataRepositoryFactory.load(CompositeMetadataRepositoryFactory.java:117)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.factoryLoad(MetadataRepositoryManager.java:60)
at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:767)
at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:668)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:107)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:102)
at org.eclipse.pde.internal.core.target.P2TargetUtils.getQueryableMetadata(P2TargetUtils.java:907)
at org.eclipse.pde.internal.core.target.IUBundleContainer.getRootIUs(IUBundleContainer.java:721)
at org.eclipse.pde.internal.core.target.P2TargetUtils.getRootIUs(P2TargetUtils.java:1361)
at org.eclipse.pde.internal.core.target.P2TargetUtils.resolveWithSlicer(P2TargetUtils.java:1128)
at org.eclipse.pde.internal.core.target.P2TargetUtils.synchronize(P2TargetUtils.java:761)
at org.eclipse.pde.internal.core.target.TargetDefinition.resolve(TargetDefinition.java:368)
at org.eclipse.oomph.util.pde.TargetPlatformUtil.activateTargetDefinition(TargetPlatformUtil.java:150)
at org.eclipse.oomph.setup.pde.impl.TargetPlatformTaskImpl.perform(TargetPlatformTaskImpl.java:293)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.doPerformNeededSetupTasks(SetupTaskPerformer.java:3332)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.access$1(SetupTaskPerformer.java:3275)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil$1.run(SetupTaskPerformer.java:4502)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2289)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2316)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil.performNeededSetupTasks(SetupTaskPerformer.java:4496)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil.access$0(SetupTaskPerformer.java:4494)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performNeededSetupTasks(SetupTaskPerformer.java:3266)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performTriggeredSetupTasks(SetupTaskPerformer.java:3241)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.perform(SetupTaskPerformer.java:3141)
at org.eclipse.oomph.setup.ui.wizards.ProgressPage$9.run(ProgressPage.java:575)
at org.eclipse.oomph.setup.ui.wizards.ProgressPage$11$1.run(ProgressPage.java:701)
... 1 more
ERROR: org.eclipse.pde.core code=0 Problems loading repositories
ERROR: org.eclipse.equinox.p2.core code=1002 Unable to read repository at file:/C:/Users/24541/egit-master/ws/.metadata/.plugins/org.eclipse.pde.core/.p2/org.eclipse.equinox.p2.repository/cache/compositeContent75883547.xml
java.io.IOException: 外部 DTD: 无法读取外部 DTD 'xhtml1-transitional.dtd', 因为 accessExternalDTD 属性设置的限制导致不允许 'http' 访问。
at org.eclipse.equinox.internal.p2.persistence.CompositeParser.parse(CompositeParser.java:191)
at org.eclipse.equinox.internal.p2.persistence.CompositeRepositoryIO.read(CompositeRepositoryIO.java:64)
at org.eclipse.equinox.internal.p2.metadata.repository.CompositeMetadataRepositoryFactory.load(CompositeMetadataRepositoryFactory.java:117)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.factoryLoad(MetadataRepositoryManager.java:60)
at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:767)
at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:668)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:107)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:102)
at org.eclipse.pde.internal.core.target.P2TargetUtils.getQueryableMetadata(P2TargetUtils.java:907)
at org.eclipse.pde.internal.core.target.IUBundleContainer.getRootIUs(IUBundleContainer.java:721)
at org.eclipse.pde.internal.core.target.P2TargetUtils.getRootIUs(P2TargetUtils.java:1361)
at org.eclipse.pde.internal.core.target.P2TargetUtils.resolveWithSlicer(P2TargetUtils.java:1128)
at org.eclipse.pde.internal.core.target.P2TargetUtils.synchronize(P2TargetUtils.java:761)
at org.eclipse.pde.internal.core.target.TargetDefinition.resolve(TargetDefinition.java:368)
at org.eclipse.oomph.util.pde.TargetPlatformUtil.activateTargetDefinition(TargetPlatformUtil.java:150)
at org.eclipse.oomph.setup.pde.impl.TargetPlatformTaskImpl.perform(TargetPlatformTaskImpl.java:293)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.doPerformNeededSetupTasks(SetupTaskPerformer.java:3332)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.access$1(SetupTaskPerformer.java:3275)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil$1.run(SetupTaskPerformer.java:4502)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2289)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2316)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil.performNeededSetupTasks(SetupTaskPerformer.java:4496)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil.access$0(SetupTaskPerformer.java:4494)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performNeededSetupTasks(SetupTaskPerformer.java:3266)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performTriggeredSetupTasks(SetupTaskPerformer.java:3241)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.perform(SetupTaskPerformer.java:3141)
at org.eclipse.oomph.setup.ui.wizards.ProgressPage$9.run(ProgressPage.java:575)
at org.eclipse.oomph.setup.ui.wizards.ProgressPage$11$1.run(ProgressPage.java:701)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:60)
Caused by: org.xml.sax.SAXParseException: 外部 DTD: 无法读取外部 DTD 'xhtml1-transitional.dtd', 因为 accessExternalDTD 属性设置的限制导致不允许 'http' 访问。
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at org.eclipse.equinox.internal.p2.persistence.CompositeParser.parse(CompositeParser.java:186)
at org.eclipse.equinox.internal.p2.persistence.CompositeRepositoryIO.read(CompositeRepositoryIO.java:64)
at org.eclipse.equinox.internal.p2.metadata.repository.CompositeMetadataRepositoryFactory.load(CompositeMetadataRepositoryFactory.java:117)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.factoryLoad(MetadataRepositoryManager.java:60)
at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:767)
at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:668)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:107)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:102)
at org.eclipse.pde.internal.core.target.P2TargetUtils.getQueryableMetadata(P2TargetUtils.java:907)
at org.eclipse.pde.internal.core.target.IUBundleContainer.getRootIUs(IUBundleContainer.java:721)
at org.eclipse.pde.internal.core.target.P2TargetUtils.getRootIUs(P2TargetUtils.java:1361)
at org.eclipse.pde.internal.core.target.P2TargetUtils.resolveWithSlicer(P2TargetUtils.java:1128)
at org.eclipse.pde.internal.core.target.P2TargetUtils.synchronize(P2TargetUtils.java:761)
at org.eclipse.pde.internal.core.target.TargetDefinition.resolve(TargetDefinition.java:368)
at org.eclipse.oomph.util.pde.TargetPlatformUtil.activateTargetDefinition(TargetPlatformUtil.java:150)
at org.eclipse.oomph.setup.pde.impl.TargetPlatformTaskImpl.perform(TargetPlatformTaskImpl.java:293)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.doPerformNeededSetupTasks(SetupTaskPerformer.java:3332)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.access$1(SetupTaskPerformer.java:3275)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil$1.run(SetupTaskPerformer.java:4502)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2289)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2316)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil.performNeededSetupTasks(SetupTaskPerformer.java:4496)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil.access$0(SetupTaskPerformer.java:4494)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performNeededSetupTasks(SetupTaskPerformer.java:3266)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performTriggeredSetupTasks(SetupTaskPerformer.java:3241)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.perform(SetupTaskPerformer.java:3141)
at org.eclipse.oomph.setup.ui.wizards.ProgressPage$9.run(ProgressPage.java:575)
at org.eclipse.oomph.setup.ui.wizards.ProgressPage$11$1.run(ProgressPage.java:701)
... 1 more
ERROR: org.eclipse.pde.core code=0 Problems loading repositories
ERROR: org.eclipse.equinox.p2.metadata.repository code=1002 Unable to read repository at http://download.eclipse.org/releases/neon/.
java.io.IOException: http://download.eclipse.org/releases/neon/ is not a valid repository location.
at org.eclipse.equinox.internal.p2.metadata.repository.CompositeMetadataRepositoryFactory.load(CompositeMetadataRepositoryFactory.java:111)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.factoryLoad(MetadataRepositoryManager.java:60)
at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:767)
at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:668)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:107)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:102)
at org.eclipse.pde.internal.core.target.P2TargetUtils.getQueryableMetadata(P2TargetUtils.java:907)
at org.eclipse.pde.internal.core.target.IUBundleContainer.getRootIUs(IUBundleContainer.java:721)
at org.eclipse.pde.internal.core.target.P2TargetUtils.getRootIUs(P2TargetUtils.java:1361)
at org.eclipse.pde.internal.core.target.P2TargetUtils.resolveWithSlicer(P2TargetUtils.java:1128)
at org.eclipse.pde.internal.core.target.P2TargetUtils.synchronize(P2TargetUtils.java:761)
at org.eclipse.pde.internal.core.target.TargetDefinition.resolve(TargetDefinition.java:368)
at org.eclipse.oomph.util.pde.TargetPlatformUtil.activateTargetDefinition(TargetPlatformUtil.java:150)
at org.eclipse.oomph.setup.pde.impl.TargetPlatformTaskImpl.perform(TargetPlatformTaskImpl.java:293)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.doPerformNeededSetupTasks(SetupTaskPerformer.java:3332)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.access$1(SetupTaskPerformer.java:3275)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil$1.run(SetupTaskPerformer.java:4502)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2289)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2316)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil.performNeededSetupTasks(SetupTaskPerformer.java:4496)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer$WorkspaceUtil.access$0(SetupTaskPerformer.java:4494)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performNeededSetupTasks(SetupTaskPerformer.java:3266)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performTriggeredSetupTasks(SetupTaskPerformer.java:3241)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.perform(SetupTaskPerformer.java:3141)
at org.eclipse.oomph.setup.ui.wizards.ProgressPage$9.run(ProgressPage.java:575)
at org.eclipse.oomph.setup.ui.wizards.ProgressPage$11$1.run(ProgressPage.java:701)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:60)
Took 6 seconds.
There are failed tasks.
Press Back to choose different settings or Cancel to abort.`enter code here`
enter code here

我对这个错误感到非常沮丧，请有人可以帮助我！请！

Answer 1

我发现文件'egit-4.6'是Eclipse Neon的存储库，但我的Eclipse是Photon。 然后，我安装了Eclipse Neon并尝试再次设置。它有效！