Flink源码中用到了很多java1.8的特性，所以用jdk1.7是不行的
发自我的 iPhone > 在 2019年4月26日，17:48，胡逸才 <huyc...@163.com> 写道： > > At present, all YARN clusters adopt JAVA 7 environment. > > While trying to use FLINK to handle the deployment of flow processing > business scenarios, it was found that FLINK ON YARN mode always failed to > perform a session task. The application log of YARN shows Unsupported major. > minor version 52.0. > > I tried to add env. java. home: < JDK 1.8PATH > in flink-conf. yaml of the > mailing list solution. And the startup command adds -yD yarn. taskmanager. > env. JAVA_HOME= < JDK1.8PATH>、-yD containerized. master. env. JAVA_HOME= < > JDK1.8PATH>, -yD containerized. taskmanager. env. JAVA_HOME= < JDK1.8PATH>. > Flink session cluster in YARN can not run Application in JAVA 8 environment. > > So can I use Flink1.7.X submit Flink session cluster application in YARN > under JAVA 7 environment? > > >
