AWS S3 put object gets this back:

WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.amazonaws.http.conn.ssl.SdkTLSSocketFactory WARNING: Please consider reporting this to the maintainers of com.amazonaws.http.conn.ssl.SdkTLSSocketFactory
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
2024-04-27 01:55:03.037 ERROR 1138 --- [nio-8080-exec-7] o.s.b.w.servlet.support.ErrorPageFilter  : Forwarding to error page from request [/imageUpload] due to exception [Invalid SSL master secret]

java.lang.SecurityException: Invalid SSL master secret
        at com.amazonaws.http.conn.ssl.SdkTLSSocketFactory.verifyMasterSecret(SdkTLSSocketFactory.java:134) ~[aws-java-sdk-core-1.9.6.jar:na]
        at com.amazonaws.http.conn.ssl.SdkTLSSocketFactory.connectSocket(SdkTLSSocketFactory.java:112) ~[aws-java-sdk-core-1.9.6.jar:na]
        at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:180) ~[httpclient-4.5.13.jar:4.5.13]
        at org.apache.http.impl.conn.ManagedClientConnectionImpl.open(ManagedClientConnectionImpl.java:326) ~[httpclient-4.5.13.jar:4.5.13]
        at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:605) ~[httpclient-4.5.13.jar:4.5.13]

When I check IAM, my Access Key is active.