Java Exception

[ADARSH-MM]

Exception in thread "main" java.lang.NoClassDefFoundError: sun/misc/BASE64Encoder
at com.android.signapk.SignApk.addDigestsToManifest(SignApk.java:169)
at com.android.signapk.SignApk.main(SignApk.java:325)
Caused by: java.lang.ClassNotFoundException: sun.misc.BASE64Encoder
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)

[carlokok]

Can you tell me which example exactly? Does it fail to run after this, because NoClassDefFound is a thing java always throws.