java.lang.UnsupportedClassVersionError: org/apache/logging/log4j/spi/ExtendedLogger : Unsupported major.minor version 51.0

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org/apache/spark/launcher/Main : Unsupported major.minor version 51.0
java.lang.UnsupportedClassVersionError: org/apache/logging/log4j/spi/ExtendedLogger : Unsupported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)
at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at com.amazonaws.services.dynamodbv2.local.shared.logging.LogManager.(LogManager.java:28)
at com.amazonaws.services.dynamodbv2.local.server.DynamoDBProxyServer.(DynamoDBProxyServer.java:36)
at com.amazonaws.services.dynamodbv2.local.main.ServerRunner.createServer(ServerRunner.java:124)
at com.amazonaws.services.dynamodbv2.local.main.ServerRunner.createServerFromCommandLineArgs(ServerRunner.java:120)
at com.amazonaws.services.dynamodbv2.local.main.ServerRunner.main(ServerRunner.java:71)

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