我正在使用 STS,具有以下版本信息
Spring Tool Suite
Version: 3.7.0.RELEASE
Build Id: 201506290652
Platform: Eclipse Mars (4.5.0)
我已经导入了一些 Maven 项目。当Eclipse自动构建我的工作区时,会弹出这个对话框
Errors occurred during the build.
Errors running builder 'Maven Project Builder' on project 'myproject'.
java.lang.NullPointerException
当我查看我的工作区/.metadata/.log 文件时,我看到
!ENTRY org.eclipse.core.resources 4 75 2015-07-28 08:40:07.418
!MESSAGE Errors occurred during the build.
!SUBENTRY 1 org.eclipse.m2e.core 4 75 2015-07-28 08:40:07.418
!MESSAGE Errors running builder 'Maven Project Builder' on project 'ebook'.
!STACK 0
java.lang.NullPointerException
at org.eclipse.wst.common.componentcore.internal.resources.VirtualComponent.setReferences(VirtualComponent.java:501)
at org.eclipse.m2e.wtp.WebProjectConfiguratorDelegate.setModuleDependencies(WebProjectConfiguratorDelegate.java:282)
at org.eclipse.m2e.wtp.WTPProjectConfigurator.mavenProjectChanged(WTPProjectConfigurator.java:96)
at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.mavenProjectChanged(ProjectConfigurationManager.java:1000)
at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.notifyProjectChangeListeners(ProjectRegistryManager.java:783)
at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.applyMutableProjectRegistry(ProjectRegistryManager.java:919)
at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:299)
at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.getProjectFacade(MavenBuilder.java:154)
at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1.call(MavenBuilder.java:89)
at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176)
at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151)
at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:99)
at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.execute(MavenBuilder.java:86)
at org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:200)
at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:734)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:205)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:245)
at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:300)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:303)
at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:359)
at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:382)
at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:144)
at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:235)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
我不知道这意味着什么或如何解决它。感谢帮助,-戴夫
最佳答案
删除 .settings
文件夹并重新导入 Maven 项目解决了我的问题。
关于Eclipse:Maven 项目构建器在构建工作区时生成 NullPointerException,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/31678405/