运行PEPK工具Android studio时出错

当我试图运行PEPK工具时，我得到了以下错误信息

C:\Users/Prashant Yadav/AndroidStudioProjects/Project1>java -jar pepk. jar –keystore=keystore –alias=key –output=encrypted_private_key_path –output=encrypted_private_key_path。 encryptionkey=eb10fe8f7c7c9df715022017b00c6471f8ba8170b13049a11e6c09ffe3056a104a3bbe4ac5a955f4ba4fe93fc8cef27558a3eb9d2a529a2092771fb833b656cd48b9de6a。

Exception in thread "main" java.lang.UnsupportedClassVersionError: com/google/wireless/android/vending/developer/signing/tools/extern/export/ExportEncryptedPrivateKeyTool : Unsupported major.minor version 52.0
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(Unknown Source)
    at java.security.SecureClassLoader.defineClass(Unknown Source)
    at java.net.URLClassLoader.defineClass(Unknown Source)
    at java.net.URLClassLoader.access$100(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)

解决方案：

我不知道为什么@MatPag的评论被删除了。总之，把jdk升级到1.8就解决了这个问题。