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The following APIs are currently deprecated:
org.springframework.util.Base64Utils
org.springframework.util.SerializationUtils#deserialize
java.lang.reflect.AccessibleObject#isAccessible
This PR replaces their use in the code base:
Base64Utils
is replaced by usingjava.util.Base64
directly.SerializationUtils#deserialize
is replaced by usingObjectInputStream
directly.isAccessible
are removed as they are not necessary when the respective objects are not cached.I've also replaced
SerializationUtils#serialize
inDefaultExecutionContextSerializer
by usingObjectOutputStream
directly. This way, less objects are created during execution and the code for serialization and deserialization matches more closely.There are also some straight-forward deprecations within the code base that have been addressed.