Pom.xml changes
1. Change spring-boot-starter-parent to 3.0.0
2. Change the version of the artifact to the next major version
3. Change java.version to 17
4. Version for all dependencies and plugins must be provided as properties
5. Use the latest version for all dependencies and plugins available in the Maven repository
6. Openapi-generator-maven-plugin should contain the following configuration
  <generateSupportingFiles>true</generateSupportingFiles>
  <supportingFilesToGenerate>ApiUtil.java</supportingFilesToGenerate>
  <configOptions>
  …
  <useSpringBoot3>true</useSpringBoot3>
  …
  </configOptions>
All Java src
1. All javax.servlet.* imports must be replaced with jakarta.servlet.*
2. All javax.persistence.* imports must be replaced with jakarta.persistence.*
3. All javax.validation.* imports must be replaced with jakarta.validation.*
4. All javax.annotation.* imports must be replaced with jakarta.annotation.*
spring.factories in src/main/resources/META-INF; If the file exists, remove org.springframework.boot.autoconfigure.EnableAutoConfiguration from the file and copy all the configuration into org.springframework.boot.autoconfigure.AutoConfiguration.imports in src/main/resources/META-INF/spring see: https://github.com/folio-org/folio-spring-base/blob/feature/FOLSPRINGB-81/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports
Jenkinsfile
1. Change: buildNode = 'jenkins-agent-java17'
2. healthChkCmd = 'wget --no-verbose --tries=1 --spider http://localhost:8081/admin/health || exit 1'

Dockerfile

Change: FROM folioci/alpine-jre-openjdk17:latest

Add (for details see README):

# Install latest patch versions of packages: https://pythonspeed.com/articles/security-updates-in-docker/
USER root
RUN apk upgrade --no-cache
USER folio

Application.yaml
1. Add: spring.cloud.openfeign.okhttp.enabled = true if a project uses FeignClient
2. Change: spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect
If a module uses PostgreSQL ENUMs
1. pom.xml: add hypersistence-utils-hibernate-60 dependency see: https://github.com/folio-org/mod-password-validator/blob/feature/MODPWD-110/pom.xml#L88
2. In entity classes replace @Type annotation with @Enumerated(EnumType.STRING) @Type(PostgreSQLEnumType.class) see: https://github.com/folio-org/mod-password-validator/blob/feature/MODPWD-110/src/main/java/org/folio/pv/domain/entity/PasswordValidationRule.java#L32
If wiremock-jre8 is used
1. pom.xml: add property <jetty.version>9.4.49.v20220914</jetty.version> see: https://github.com/folio-org/mod-password-validator/blob/feature/MODPWD-110/pom.xml#L40
According to Spring Doc in Spring Boot 3.0.0 (from Spring Framework 5.8) WebSecurityConfigurerAdapter was deprecated and SecurityFilterChain was introduced.
So WebSecurityConfigureAdapter must be removed and authorizeRequests() deprecated method changed to authorizeHttpRequests()
https://docs.spring.io/spring-security/reference/5.8/migration/servlet/config.html#_stop_using_websecurityconfigureradapter (SecurityFilerChain)
https://docs.spring.io/spring-security/reference/5.8/migration/servlet/config.html#use-new-requestmatchers (anyMatchers to requestMatchers)
https://spring.io/blog/2022/02/21/spring-security-without-the-websecurityconfigureradapter

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