java.lang.UnsupportedClassVersionError: JVMCFRE003 bad major version; class=org/python/util/jython, offset=6

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JVMCFRE003 bad major version; class=org/python/util/jython, offset=6
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JVMCFRE003 bad major version; class="oracle"/dbtools/jarcl/Entrypoint, offset=6
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**JVMCFRE003 bad major version;** class=com/fd/foundation/frameworks/mybaitis/helloWorld/resource/MessageServiceImpl, **offset=6**
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JVMCFRE003 bad major version; class=jetbrains/buildServer/cmakerunner/server/CMakeConfigureRunType, offset=6
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JVMCFRE003 bad major version; class=com/..., offset=6
java.lang.UnsupportedClassVersionError: JVMCFRE003 bad major version; class=org/python/util/jython, offset=6
at java.lang.ClassLoader.defineClassImpl(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:275)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:69)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:540)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:451)
at java.net.URLClassLoader.access$300(URLClassLoader.java:79)
at java.net.URLClassLoader$ClassFinder.run(URLClassLoader.java:1038)
at java.security.AccessController.doPrivileged(AccessController.java:284)
at java.net.URLClassLoader.findClass(URLClassLoader.java:429)
at java.lang.ClassLoader.loadClass(ClassLoader.java:660)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:358)
at java.lang.ClassLoader.loadClass(ClassLoader.java:626)

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