背景：新创建的workspace，eclipse通过gradle上传jar包到私服，报错：Caused by: java.lang.RuntimeException: 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.
解决办法：选中workSpace jre，指定地址。详细参考链接。
Cannot find System Java Compiler