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我打开了一个旧项目，分成6个模块，其中Android Studio但它在构建任务中始终失败。 我ENV是：Android Studio - 任务执行失败compileReleaseJavaWithJavac
Ubuntu 14.04
OpenJDK7
Android Studio 2.2 preview 2
它在构建失败的大多数模块，并告诉我，它无法找到一个Java编者，在这里，你是错误跟踪：
What went wrong:
Execution failed for task ':maskable_layout:compileReleaseJavaWithJavac'.
Cannot find System Java Compiler. Ensure that you have installed a JDK (not just a JRE) and configured your JAVA_HOME system variable to point to the according directory.
Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
我确信我的机器上安装了JDK，我试图在我的配置文件.bachrc中安装Oracle Java和修改JAVA_HOME，但错误没有消失。