我正在尝试将“spring-music”演示应用程序推送到我的本地开发云基金会，但出现以下错误。当我运行命令“cf log spring-music --recent”时，我得到以下输出。
2020-10-21T00:41:39.96+0300 [APP/PROC/WEB/0] OUT JVM Memory Configuration: -Xmx408076K -Xss1M -XX:ReservedCodeCacheSize=240M -XX:MaxDirectMemorySize=10M -XX:MaxMetaspaceSize=128499K
2020-10-21T00:41:40.64+0300 [APP/PROC/WEB/0] ERR Exception in thread "main" java.lang.UnsupportedClassVersionError: org/cloudfoundry/samples/music/Application 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
2020-10-21T00:41:40.64+0300 [APP/PROC/WEB/0] ERR at java.lang.ClassLoader.defineClass1(Native Method)
2020-10-21T00:41:40.64+0300 [APP/PROC/WEB/0] ERR at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
2020-10-21T00:41:40.64+0300 [APP/PROC/WEB/0] ERR at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
2020-10-21T00:41:40.64+0300 [APP/PROC/WEB/0] ERR at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
2020-10-21T00:41:40.64+0300 [APP/PROC/WEB/0] ERR at java.net.URLClassLoader.access$100(URLClassLoader.java:74) …