問題來源
1 alidate DB Connection 2 Exception in thread "main" java.lang.UnsupportedClassVersionError: com/mysql/jdbc/Driver : Unsupported major.minor version 52.0 3 at java.lang.ClassLoader.defineClass1(Native Method) 4 at java.lang.ClassLoader.defineClass(ClassLoader.java:800) 5 at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) 6 at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) 7 at java.net.URLClassLoader.access$100(URLClassLoader.java:71) 8 at java.net.URLClassLoader$1.run(URLClassLoader.java:361) 9 at java.net.URLClassLoader$1.run(URLClassLoader.java:355) 10 at java.security.AccessController.doPrivileged(Native Method) 11 at java.net.URLClassLoader.findClass(URLClassLoader.java:354) 12 at java.lang.ClassLoader.loadClass(ClassLoader.java:425) 13 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) 14 at java.lang.ClassLoader.loadClass(ClassLoader.java:358) 15 at java.lang.Class.forName0(Native Method) 16 at java.lang.Class.forName(Class.java:191) 17 at org.apache.oozie.tools.OozieDBCLI.createConnection(OozieDBCLI.java:894) 18 at org.apache.oozie.tools.OozieDBCLI.validateConnection(OozieDBCLI.java:901) 19 at org.apache.oozie.tools.OozieDBCLI.createDB(OozieDBCLI.java:185) 20 at org.apache.oozie.tools.OozieDBCLI.run(OozieDBCLI.java:129) 21 at org.apache.oozie.tools.OozieDBCLI.main(OozieDBCLI.java:80)
SQL的驅動和當前JDK版本不支持
造成原因 : path了錯誤的mysql驅動
解決辦法: