关于jdk版本

huangrunxingxing Wed, 23 Oct 2019 23:27:08 -0700

你好，
我这边用的是flink1.8.2
由于机器环境上的jdk是1.7的，所以我在flink-conf.yaml中指定了jdk



env.java.home: /opt/jdk1.8.0_31




通过./bin/yarn-session.sh -n 10 -tm 8192 -s 12
启动之后报错


Exception in thread "main" java.lang.UnsupportedClassVersionError: 
org/apache/flink/yarn/entrypoint/YarnSessionClusterEntrypoint : Unsupported 
major.minor version 52.0
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
        at 
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
        at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482)
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huangrunxingxing
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关于jdk版本

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