Error:Execution failed for task ':xxxxx:compileDebugJava'.
> 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.
Android studio環境下，新建的項目正常，導入其他項目出現這麼一個異常
解決方法
File-->Project Structrue-->SDK Location-->JDK location
Use embedded JDK 前面勾去掉，指定一個JDK地址。
默認使用的embedded JDK 有可能導致該錯誤
