Eclipse创建新Gradle项目未生成任何文件问题求助

问题详情 #

• 环境：全新安装的Eclipse IDE，搭配JDK 19、Gradle 7.6和Buildship插件
• 现象：通过「新建->项目」创建Gradle项目时，向导正常弹出，但创建完成后仅生成空文件夹，无build.gradle、Java库等文件；普通Java项目可正常创建
• 核心报错：org.gradle.internal.jvm.JavaHomeException: 指定的javaHome无效，无法找到java可执行文件，尝试路径为C:\Program Files\Java\jdk-19\bin\java.exe
• 已尝试操作：重装Gradle和Buildship，问题未解决

错误日志（中文翻译版） #

org.gradle.tooling.GradleConnectionException: 无法使用与Gradle发行版'https://services.gradle.org/distributions/gradle-7.4.2-bin.zip'的连接执行构建。
    at org.gradle.tooling.internal.consumer.ExceptionTransformer.transform(ExceptionTransformer.java:55)
    at org.gradle.tooling.internal.consumer.ExceptionTransformer.transform(ExceptionTransformer.java:29)
    at org.gradle.tooling.internal.consumer.ResultHandlerAdapter.onFailure(ResultHandlerAdapter.java:43)
    at org.gradle.tooling.internal.consumer.async.DefaultAsyncConsumerActionExecutor$1$1.run(DefaultAsyncConsumerActionExecutor.java:69)
    at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
    at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
    at java.base/java.lang.Thread.run(Thread.java:1589)
    at org.gradle.tooling.internal.consumer.BlockingResultHandler.getResult(BlockingResultHandler.java:46)
    at org.gradle.tooling.internal.consumer.DefaultBuildLauncher.run(DefaultBuildLauncher.java:83)
    at org.eclipse.buildship.core.internal.workspace.InitializeNewProjectOperation.initProjectIfNotExists(InitializeNewProjectOperation.java:60)
    at org.eclipse.buildship.core.internal.workspace.InitializeNewProjectOperation.runInToolingApi(InitializeNewProjectOperation.java:45)
    at org.eclipse.buildship.core.internal.operation.DefaultToolingApiOperationManager$WorkspaceRunnableAdapter.run(DefaultToolingApiOperationManager.java:58)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2380)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2405)
    at org.eclipse.buildship.core.internal.operation.DefaultToolingApiOperationManager.run(DefaultToolingApiOperationManager.java:39)
    at org.eclipse.buildship.core.internal.operation.DefaultToolingApiOperationManager.run(DefaultToolingApiOperationManager.java:33)
    at org.eclipse.buildship.ui.internal.wizard.project.ProjectImportWizardController$5.run(ProjectImportWizardController.java:208)
    at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:122)
Caused by: org.gradle.internal.jvm.JavaHomeException: 指定的javaHome无效，无法找到java可执行文件。尝试路径：C:\Program Files\Java\jdk-19\bin\java.exe
    at org.gradle.internal.jvm.Jvm.findExecutable(Jvm.java:183)
    at org.gradle.internal.jvm.Jvm.getJavaExecutable(Jvm.java:208)
    at org.gradle.internal.jvm.Jvm.forHome(Jvm.java:119)
    at org.gradle.launcher.daemon.context.DaemonCompatibilitySpec.javaHomeMatches(DaemonCompatibilitySpec.java:64)
    at org.gradle.launcher.daemon.context.DaemonCompatibilitySpec.whyUnsatisfied(DaemonCompatibilitySpec.java:40)
    at org.gradle.launcher.daemon.context.DaemonCompatibilitySpec.isSatisfiedBy(DaemonCompatibilitySpec.java:35)
    at org.gradle.launcher.daemon.context.DaemonCompatibilitySpec.isSatisfiedBy(DaemonCompatibilitySpec.java:25)
    at org.gradle.launcher.daemon.client.DefaultDaemonConnector.getCompatibleDaemons(DefaultDaemonConnector.java:192)
    at org.gradle.launcher.daemon.client.DefaultDaemonConnector.connectToIdleDaemon(DefaultDaemonConnector.java:157)
    at org.gradle.launcher.daemon.client.DefaultDaemonConnector.connect(DefaultDaemonConnector.java:125)
    at org.gradle.launcher.daemon.client.DaemonClient.execute(DaemonClient.java:145)
    at org.gradle.launcher.daemon.client.DaemonClient.execute(DaemonClient.java:99)
    at org.gradle.tooling.internal.provider.DaemonBuildActionExecuter.execute(DaemonBuildActionExecuter.java:44)
    at org.gradle.tooling.internal.provider.DaemonBuildActionExecuter.execute(DaemonBuildActionExecuter.java:30)
    at org.gradle.tooling.internal.provider.LoggingBridgingBuildActionExecuter.execute(LoggingBridgingBuildActionExecuter.java:60)
    at org.gradle.tooling.internal.provider.LoggingBridgingBuildActionExecuter.execute(LoggingBridgingBuildActionExecuter.java:37)
    at org.gradle.tooling.internal.provider.ProviderConnection.run(ProviderConnection.java:222)
    at org.gradle.tooling.internal.provider.ProviderConnection.run(ProviderConnection.java:148)
    at org.gradle.tooling.internal.provider.DefaultConnection.getModel(DefaultConnection.java:202)
    at org.gradle.tooling.internal.consumer.connection.CancellableModelBuilderBackedModelProducer.produceModel(CancellableModelBuilderBackedModelProducer.java:54)
    at org.gradle.tooling.internal.consumer.connection.PluginClasspathInjectionSupportedCheckModelProducer.produceModel(PluginClasspathInjectionSupportedCheckModelProducer.java:38)
    at org.gradle.tooling.internal.consumer.connection.AbstractConsumerConnection.run(AbstractConsumerConnection.java:64)
    at org.gradle.tooling.internal.consumer.connection.ParameterValidatingConsumerConnection.run(ParameterValidatingConsumerConnection.java:49)
    at org.gradle.tooling.internal.consumer.DefaultBuildLauncher$1.run(DefaultBuildLauncher.java:97)
    at org.gradle.tooling.internal.consumer.DefaultBuildLauncher$1.run(DefaultBuildLauncher.java:89)
    at org.gradle.tooling.internal.consumer.connection.LazyConsumerActionExecutor.run(LazyConsumerActionExecutor.java:143)
    at org.gradle.tooling.internal.consumer.connection.CancellableConsumerActionExecutor.run(CancellableConsumerActionExecutor.java:45)
    at org.gradle.tooling.internal.consumer.connection.ProgressLoggingConsumerActionExecutor.run(ProgressLoggingConsumerActionExecutor.java:61)
    at org.gradle.tooling.internal.consumer.connection.RethrowingErrorsConsumerActionExecutor.run(RethrowingErrorsConsumerActionExecutor.java:38)
    at org.gradle.tooling.internal.consumer.async.DefaultAsyncConsumerActionExecutor$1$1.run(DefaultAsyncConsumerActionExecutor.java:67)
    at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
    at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)

解决方案 #

• 验证JDK路径与权限

  1. 手动检查C:\Program Files\Java\jdk-19\bin\java.exe是否存在，若不存在则重新下载安装官方JDK19
  2. 若路径存在，右键以管理员身份运行Eclipse，避免因权限不足无法读取JDK文件

• 修正Eclipse的JRE配置

  1. 打开Eclipse，依次进入Window > Preferences > Java > Installed JREs
  2. 确认已添加JDK19，路径需指向C:\Program Files\Java\jdk-19（而非内部的jre文件夹）
  3. 勾选该JDK作为默认选项，点击Apply和OK保存配置

• 指定Gradle的Java环境

  1. 进入Window > Preferences > Gradle > Arguments
  2. 在Java Home选项中手动指定JDK19的安装路径C:\Program Files\Java\jdk-19，不要依赖系统环境变量
  3. 重启Eclipse后重试创建项目

• 检查系统环境变量

  1. 确认系统JAVA_HOME变量指向C:\Program Files\Java\jdk-19，Path变量中包含%JAVA_HOME%\bin
  2. 重启电脑使环境变量生效，再打开Eclipse尝试操作

• 统一Gradle版本
  日志显示实际使用的是Gradle7.4.2（而非手动安装的7.6），可通过以下方式修正：

  1. 创建项目时，在向导中选择Use local Gradle distribution，指向本地Gradle7.6的安装路径
  2. 若已生成空项目，手动添加build.gradle和settings.gradle，并在settings.gradle中指定rootProject.name = "你的项目名"，同时设置Gradle版本为7.6

内容的提问来源于stack exchange，提问作者James Brafin