2515102 - InstanceIdChecker fails with Unsupported major.minor version

When running the InstanceIdChecker tool as per SAP Note 1987497, you encounter the following error:

java -cp instanceidcheck.jar com.sap.sdt.check.InstanceIdChecker <instance-id> <instance-number> <instance-box-number>

Exception in thread "main" java.lang.UnsupportedClassVersionError: com/sap/sdt/check/InstanceIdChecker : Unsupported major.minor version 49.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:624)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:307)
at java.net.URLClassLoader.access$100(URLClassLoader.java:59)
at java.net.URLClassLoader$1.run(URLClassLoader.java:250)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:243)
at java.lang.ClassLoader.loadClass(ClassLoader.java:360)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:318)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)

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