遇到：Exception in thread "main" ja

在跑项目的时候发现前一天运行正常的项目今天就一直报错

Error: A JNI error has occurred, please check your installation and try again

Exception in thread "main" java.lang.UnsupportedClassVersionError: com/hundsun/tpm/main/ServerStart has been compiled by a more recent version of the Java Runtime (class file version 53.0), this version of the Java Runtime only recognizes class file versions up to 52.0

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClass(ClassLoader.java:763)

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)

at java.net.URLClassLoader.access$100(URLClassLoader.java:73)

at java.net.URLClassLoader$1.run(URLClassLoader.java:368)

at java.net.URLClassLoader$1.run(URLClassLoader.java:362)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(URLClassLoader.java:361)

at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)

at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:495)

后来经过检查和查阅资料  发现是JDK版本和项目的JDK版本不匹配引起的

导入的项目是1.8

但是自己的默认JDK是1.9,最后把自己的默认JDK改成1.8之后项目就运行正常啦