android - 任务':app:compileDebugJavaWithJavac'的执行失败

问题描述

Android Studio + Gradle 新手.

New to Android Studio + Gradle.

我正在尝试使用以下命令从命令行运行我的应用程序:

I'm trying to run my app from the command line using:

gradlew installDebug

只有当我刚刚打开 Studio 并执行初始同步/构建时执行该命令时，该应用才会安装在我的设备上.

The app gets installed on my device only when I execute that command when Studio just got opened and do that initial syncing/building thing.

每当我修改我的代码并尝试再次运行该命令时，构建都会失败并显示以下错误:

Whenever I modified my code, and try to run that command again, the build fails and shows this error:

Execution failed for task ':app:compileDebugJavaWithJavac'
> Could not find tools.jar

我该如何解决这个问题?提前致谢.

How do I solve this problem? Thanks in advance.

推荐答案

将 JAVA_HOME 变量设置为 C:Program FilesJavajdkX.XX 对我有用.

Setting the JAVA_HOME variable to C:Program FilesJavajdkX.XX worked for me.

由于某种原因，它以前被设置为 JRE 目录.

It was previously set to the JRE directory for some reason.

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