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  • java.lang.UnsupportedClassVersionError: Bad version number in .class file (unable to load class at org.apache.catalina.loader.WebappClassLoader.findClassInternal ( at org.apache.catalina.loader.WebappClassLoader.findClass ( at org.apache.catalina.loader.WebappClassLoader.loadClass ( at org.apache.catalina.loader.WebappClassLoader.loadClass ( at java.lang.ClassLoader.loadClassInternal( at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods( at java.lang.Class.getDeclaredMethods(

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