Exception in thread “main“ java.lang.UnsupportedClassVersionError 50报错处理

之间正常走jenkins+docker自动化部署的项目,今天改了一个文件,点了一下,竟然没有部署上去,提示如上,如下

Exception in thread “main“ java.lang.UnsupportedClassVersionError 50报错处理_第1张图片

 Exception in thread "main" java.lang.UnsupportedClassVersionError: com/coocaa/tsp/sys/user/UserServerApplication has been compiled by a more recent version of the Java Runtime (class file version 55.0), 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:756)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
        at org.springframework.boot.loader.LaunchedURLClassLoader.loadClass(LaunchedURLClassLoader.java:151)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:46)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:108)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:58)
        at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:65)

初步排查应该是对应的java版本问题,这里发现原来已经升级到11项目,但是dockerfile中还是引用的8,改成

jenkins中配置也改成11 

Exception in thread “main“ java.lang.UnsupportedClassVersionError 50报错处理_第2张图片

 解决问题

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