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

问题描述

我尝试使用以下命令从命令行运行我的应用程序：

  gradlew installDebug 
  

该应用程序安装在我的设备只有当我刚刚打开Studio并执行初始同步/构建事物时执行该命令。

每当我修改我的代码并尝试再次运行该命令时，生成失败并显示此错误：

 执行失败，执行任务'：app：compileDebugJavaWithJavac'
>找不到tools.jar 
  

我该如何解决这个问题？

解决方案

将JAVA_HOME变量设置为 C：\ Program Files \Java\jdkX。 XX 为我工作。

由于某种原因，它以前被设置为JRE目录。

New to Android Studio + Gradle.

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

gradlew installDebug

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.

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

How do I solve this problem? Thanks in advance.

解决方案

Setting the JAVA_HOME variable to C:\Program Files\Java\jdkX.XX worked for me.

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

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