TwentyTwentyOne

md5 암호화 중 byte[]를 String 으로 만들기 위해 사용한 패키지

// https://mvnrepository.com/artifact/jakarta.xml.bind/jakarta.xml.bind-api
implementation group: 'jakarta.xml.bind', name: 'jakarta.xml.bind-api', version: '4.0.2'

의존성 추가

DatatypeConverter.printHexBinary(byteArray);

spring:
    jpa:
        hibernate:
              naming:
                physical-strategy: org.hibernate.boot.model.naming.PhysicalNamingStrategyStandardImpl

th:href="@{/css/main.css}"

th:src="@{/js/app.js}"

th:fragment = ""

th:block th:replace="dir/file::fragment_name" 

th:block layout:fragment="block name"

gradle 

// https://mvnrepository.com/artifact/org.springframework/spring-tx
implementation group: 'org.springframework', name: 'spring-tx', version: '5.3.23'

./gradlew --refresh-dependencies

Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource

mybatis 추가후 bean dataSource설정이 없을경우