How to use Java8

[Sea]

Hi, all
    I want to support java8, I use JDK1.8.0_65 in production environment, but 
it doesn't work. Should I build spark using jdk1.8, and set 
<java.version>1.8</java.version> in pom.xml?


java.lang.UnsupportedClassVersionError:  Unsupported major.minor version 52.