Porting to Spring Boot 3 / Spring 6

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-dependencies</artifactId>
            <version>${springboot.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>

<properties>
    <jaxb-api.version>2.3.1</jaxb-api.version>
    <jaxb-core.version>2.3.0.1</jaxb-core.version>
    <jaxb-impl.version>2.3.2</jaxb-impl.version>

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>javax.xml.bind</groupId>
            <artifactId>jaxb-api</artifactId>
            <version>${jaxb-api.version}</version>
        </dependency>
        <dependency>
            <groupId>com.sun.xml.bind</groupId>
            <artifactId>jaxb-core</artifactId>
            <version>${jaxb-core.version}</version>
        </dependency>
        <dependency>
            <groupId>com.sun.xml.bind</groupId>
            <artifactId>jaxb-impl</artifactId>
            <version>${jaxb-impl.version}</version>
        </dependency>

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-dependencies</artifactId> (1)
            <version>${springboot.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>

<properties>
    <glassfish-jaxb.version>4.0.1</glassfish-jaxb.version>

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.glassfish.jaxb</groupId>
            <artifactId>jaxb-bom</artifactId> (1)
            <version>${glassfish-jaxb.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>

<dependencyManagement>
    <dependencies>
        <dependency> <!--JAXB-API-->
            <groupId>jakarta.xml.bind</groupId>
            <artifactId>jakarta.xml.bind-api</artifactId> (1)
            <version>${xml.bind-api.version}</version>
            <classifier>sources</classifier>
        </dependency>

        <!-- new -->
        <dependency>
            <groupId>org.glassfish.jaxb</groupId>
            <artifactId>jaxb-runtime</artifactId> (2)
            <version>${project.version}</version>
            <classifier>sources</classifier>
        </dependency>

        <!--OLD-->
        <dependency>
            <groupId>com.sun.xml.bind</groupId>
            <artifactId>jaxb-impl</artifactId> (2)
            <version>${project.version}</version>
            <classifier>sources</classifier>
        </dependency>

<properties>
    <groovy.version>3.0.8</groovy.version>
<dependencyManagement>
    <dependencies>
        <dependency> (1)
            <groupId>org.codehaus.groovy</groupId>
            <artifactId>groovy</artifactId>
            <version>${groovy.version}</version>
        </dependency>

<properties>
    <groovy.version>4.0.7</groovy.version>
<dependencyManagement>
    <dependencies>
      <dependency> (1)
            <groupId>org.apache.groovy</groupId>
            <artifactId>groovy-bom</artifactId>
            <version>${groovy.version}</version>
            <type>pom</type>
            <scope>import</scope>
      </dependency>

<dependencyManagement>
    <dependencies>
      <dependency> (1)
        <groupId>org.apache.groovy</groupId>
        <artifactId>groovy</artifactId>
        <version>4.0.7</version>
      </dependency>

[ERROR]     'dependencies.dependency.version' for org.codehaus.groovy:groovy:jar is missing. @ info.ejava.examples.build:ejava-build-parent:6.1.0-SNAPSHOT, /Users/jim/proj/ejava-javaee/ejava-springboot/build/ejava-build-parent/pom.xml, line 438, column 29

<properties>
  <spock.version>...</spock.version>
<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.spockframework</groupId>
            <artifactId>spock-bom</artifactId>
            <version>${spock.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
        <dependency>
            <groupId>org.spockframework</groupId>
            <artifactId>spock-spring</artifactId>
            <version>${spock.version}</version>
            <scope>test</scope>
        </dependency>

<properties>
    <flapdoodle.spring30x.version>4.5.2</flapdoodle.spring30x.version>
<dependencyManagement>
    <dependencies>
        <dependency> (1)
            <groupId>de.flapdoodle.embed</groupId>
            <artifactId>de.flapdoodle.embed.mongo.spring30x</artifactId>
            <version>${flapdoodle.spring30x.version}</version>
        </dependency>

<dependency>
    <groupId>de.flapdoodle.embed</groupId>
    <artifactId>de.flapdoodle.embed.mongo</artifactId>
    <scope>test</scope>
</dependency>

<dependency>
    <groupId>de.flapdoodle.embed</groupId>
    <artifactId>de.flapdoodle.embed.mongo.spring30x</artifactId>
    <scope>test</scope>
</dependency>

<properties>
        <httpclient.version>4.5.13</httpclient.version>
<dependencyManagement>
    <dependencies>
        <dependency> (1)
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpclient</artifactId>
            <version>${httpclient.version}</version>
        </dependency>

<properties>
    <httpclient5.version>5.1.4</httpclient5.version>
<dependencyManagement>
    <dependencies>
        <dependency> (1)
            <groupId>org.apache.httpcomponents.client5</groupId>
            <artifactId>httpclient5</artifactId>
            <version>${httpclient5.version}</version>
        </dependency>

<properties>
    <sslcontext-kickstart.version>7.4.9</sslcontext-kickstart.version>
<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>io.github.hakky54</groupId> (1)
            <artifactId>sslcontext-kickstart-for-apache5</artifactId>
            <version>${sslcontext-kickstart.version}</version>
        </dependency>

<dependency>
    <groupId>javax.inject</groupId>
    <artifactId>javax.inject</artifactId>
    <version>1</version>
</dependency>

<dependency>
    <groupId>jakarta.inject</groupId>
    <artifactId>jakarta.inject-api</artifactId>
    <version>2.0.1</version>
</dependency>

<properties>
    <jakarta.inject-api.version>2.0.1</jakarta.inject-api.version>
<build>
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>jakarta.inject</groupId>
                <artifactId>jakarta.inject-api</artifactId>
                <version>${jakarta.inject-api.version}</version>
            </dependency>

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-activemq</artifactId>
</dependency>

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-artemis</artifactId>
</dependency>

public enum HttpStatus {
    OK(200, Series.SUCCESSFUL, "OK")
    CREATED(201, Series.SUCCESSFUL, "Created"),
...

public class ResponseEntity<T> extends HttpEntity<T> {
    public HttpStatus getStatusCode() {

- - -
ClientHttpResponse response = ...
HttpStatus status = response.getStatusCode();

//when
HttpStatus status;
try {
    status = homesClient.hasHome("anId").getStatusCode();
} catch (HttpStatusCodeException ex) {
    status = ex.getStatusCode();
}

then(response.getStatusCode().series()).isEqualTo(HttpStatus.Series.SUCCESSFUL);

public enum HttpStatus implements HttpStatusCode {
    OK(200, Series.SUCCESSFUL, "OK")
    CREATED(201, Series.SUCCESSFUL, "Created"),
...

public class ResponseEntity<T> extends HttpEntity<T> {
    public HttpStatusCode getStatusCode() {

- - -
ClientHttpResponse response = ...
HttpStatus status = HttpStatus.resolve(response.getStatusCode().value()); (1)
//or
HttpStatus status = HttpStatus.valueOf(response.getStatusCode().value()); (2)

HttpStatusCode status;
try {
    status = homesClient.hasHome("anId").getStatusCode();
} catch (HttpStatusCodeException ex) {
    status = ex.getStatusCode();
}

then(response.getStatusCode().is2xxSuccessful()).isTrue();

public enum HttpMethod {
        GET, HEAD, POST, PUT, PATCH, DELETE, OPTIONS, TRACE;
...

@ParameterizedTest
@EnumSource(value = HttpMethod.class, names = {"GET", "POST"})
void anonymous_user(HttpMethod method) {

public final class HttpMethod implements Comparable<HttpMethod>, Serializable {
        public static final HttpMethod GET = new HttpMethod("GET");
        public static final HttpMethod POST = new HttpMethod("POST");
...

@ParameterizedTest
@ValuesSource(strings={"GET","POST"})
void anonymous_user(String methodName) {
    HttpMethod method = HttpMethod.valueOf(methodName);

@Bean
@Order(50)
public SecurityFilterChain h2Configuration(HttpSecurity http) throws Exception {
    http.requestMatchers(cfg->...); (1)
    ...

@Bean
@Order(50)
public SecurityFilterChain h2Configuration(HttpSecurity http) throws Exception {
    http.securityMatchers(cfg->...); (1)
    ...

for file in `find . -name "*.java" -exec grep -l 'requestMatchers(' {} \;`; do sed -i '' 's/requestMatchers(/securityMatchers(/' $file; done

@Bean
@Order(50)
public SecurityFilterChain h2Configuration(HttpSecurity http) throws Exception {
    http.requestMatchers(cfg->cfg.antMatchers( (1)
        "/h2-console/**","/login","/logout"));
    ...
@Bean
public WebSecurityCustomizer authzStaticResources() {
    return (web) -> web.ignoring().antMatchers( (1)
        "/content/**");
}

@Bean
@Order(50)
public SecurityFilterChain h2Configuration(HttpSecurity http) throws Exception {
    http.securityMatchers(cfg->cfg.requestMatchers((1)
        "/h2-console/**","/login","/logout"));
    ...
@Bean
public WebSecurityCustomizer authzStaticResources() {
    return (web) -> web.ignoring().requestMatchers( (1)
        "/content/**");
}

import org.springframework.security.web.util.matcher.AntPathRequestMatcher;
import org.springframework.security.web.util.matcher.RegexRequestMatcher;

http.authorizeHttpRequests(cfg->cfg
    .requestMatchers(AntPathRequestMatcher.antMatcher("...")).hasRole("...")
    .requestMatchers(RegexRequestMatcher.regexMatcher("...")).hasRole("...")
    .requestMatchers("/h2-console/**").authenticated()); //MvcRequestMatcher

for file in `find . -name "*.java" -exec grep -l 'antMatchers(' {} \;`; do sed -i '' 's/antMatchers(/requestMatchers(/' $file; done

http.csrf(cfg->cfg.ignoringAntMatchers("/h2-console/**"));
...
http.csrf(cfg->cfg.ignoringRequestMatchers("/h2-console/**"));

for file in `find . -name "*.java" -exec grep -l 'ignoringAntMatchers(' {} \;`; do sed -i '' 's/ignoringAntMatchers(/ignoringRequestMatchers(/' $file; done

http.authorizeRequests(cfg->cfg.requestMatchers(
        "/api/whoami", "/api/authorities/paths/anonymous/**").permitAll());

http.authorizeHttpRequests(cfg->cfg.requestMatchers(
        "/api/whoami", "/api/authorities/paths/anonymous/**").permitAll());

for file in `find . -name "*.java" -exec grep -l 'authorizeRequests(' {} \;`; do sed -i '' 's/authorizeRequests(/authorizeHttpRequests(/' $file; done

@Bean
public RoleHierarchy roleHierarchy() {
    RoleHierarchyImpl roleHierarchy = new RoleHierarchyImpl();
    roleHierarchy.setHierarchy(StringUtils.join(List.of(
            "ROLE_ADMIN > ROLE_CLERK",
            "ROLE_CLERK > ROLE_CUSTOMER"
    ),System.lineSeparator()));
    return roleHierarchy;

http.authorizeRequests(cfg->cfg.antMatchers(
        "/api/authorities/paths/customer/**")
        .hasAnyRole("CUSTOMER"));
http.authorizeRequests(cfg->cfg.antMatchers(HttpMethod.GET,
        "/api/authorities/paths/price")
        .hasAnyAuthority("PRICE_CHECK", "ROLE_ADMIN", "ROLE_CLERK"));

http.authorizeHttpRequests(cfg->cfg.requestMatchers(
        "/api/authorities/paths/customer/**")
        .access(anyRoleWithRoleHierarchy(roleHierarchy, "CUSTOMER"))
);
http.authorizeHttpRequests(cfg->cfg.requestMatchers(HttpMethod.GET,
        "/api/authorities/paths/price")
        .access(anyAuthorityWithRoleHierarchy(roleHierarchy, "PRICE_CHECK", "ROLE_ADMIN", "ROLE_CLERK"))
);

@Bean
@Profile("roleInheritance")
public RoleHierarchy roleHierarchy() {
    RoleHierarchyImpl roleHierarchy = new RoleHierarchyImpl();
    roleHierarchy.setHierarchy(StringUtils.join(List.of(
            "ROLE_ADMIN > ROLE_CLERK",
            "ROLE_CLERK > ROLE_CUSTOMER"
    ),System.lineSeparator()));
    return roleHierarchy;
}

@Bean
@Profile("!roleInheritance")
public RoleHierarchy nullHierarchy() {
    return new NullRoleHierarchy();
}

//temporary work-around until this fix is available
//https://github.com/spring-projects/spring-security/issues/12473
private AuthorizationManager anyRoleWithRoleHierarchy(RoleHierarchy roleHierarchy, String...roles) {
    AuthorityAuthorizationManager<Object> authzManager = AuthorityAuthorizationManager.hasAnyRole(roles);
    authzManager.setRoleHierarchy(roleHierarchy);
    return authzManager;
}
private AuthorizationManager anyAuthorityWithRoleHierarchy(RoleHierarchy roleHierarchy, String...authorities) {
    AuthorityAuthorizationManager<Object> authzManager = AuthorityAuthorizationManager.hasAnyAuthority(authorities);
    authzManager.setRoleHierarchy(roleHierarchy);
    return authzManager;
}

@RolesAllowed("ROLE_CLERK")
public ResponseEntity<String> doClerk(

@RolesAllowed("ROLE_CUSTOMER")
public ResponseEntity<String> doCustomer(

@RolesAllowed({"ROLE_ADMIN", "ROLE_CLERK", "PRICE_CHECK"})
public ResponseEntity<String> checkPrice(

@RolesAllowed("CLERK")
public ResponseEntity<String> doClerk(

@RolesAllowed("CUSTOMER")
public ResponseEntity<String> doCustomer(

@RolesAllowed({"ADMIN", "CLERK", "PRICE_CHECK"})
public ResponseEntity<String> checkPrice(

import org.apache.http.client.HttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.ssl.SSLContextBuilder;
import javax.net.ssl.SSLContext;

@Bean
public SSLContext sslContext(ServerConfig serverConfig)  {
    try {
        URL trustStoreUrl = null;
        if (serverConfig.getTrustStore()!=null) {
            trustStoreUrl = ClientITConfiguration.class.getResource("/" + serverConfig.getTrustStore());
            if (null==trustStoreUrl) {
                throw new IllegalStateException("unable to locate truststore:/" + serverConfig.getTrustStore());
            }
        }
        SSLContextBuilder builder = SSLContextBuilder.create()
                .setProtocol("TLSv1.2");
        if (trustStoreUrl!=null) {
            builder.loadTrustMaterial(trustStoreUrl, serverConfig.getTrustStorePassword());
        }
        return builder.build();
    } catch (Exception ex) {
        throw new IllegalStateException("unable to establish SSL context", ex);
    }
}

@Bean
public ClientHttpRequestFactory httpsRequestFactory(SSLContext sslContext,
                                                    ServerConfig serverConfig) {
    HttpClient httpsClient = HttpClientBuilder.create()
            .setSSLContext(serverConfig.isHttps() ? sslContext : null)
            .build();
    return new HttpComponentsClientHttpRequestFactory(httpsClient);
}

import nl.altindag.ssl.SSLFactory;
import nl.altindag.ssl.util.Apache5SslUtils;
import org.apache.hc.client5.http.classic.HttpClient;
import org.apache.hc.client5.http.impl.classic.HttpClients;
import org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager;
import org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManagerBuilder;
import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;

@Bean (1)
@ConditionalOnExpression("!T(org.springframework.util.StringUtils).isEmpty('${it.server.trust-store:}')")
public SSLFactory sslFactory(ServerConfig serverConfig) throws IOException {
    try (InputStream trustStoreStream = Thread.currentThread()
            .getContextClassLoader().getResourceAsStream(serverConfig.getTrustStore())) {
        if (null==trustStoreStream) {
            throw new IllegalStateException("unable to locate truststore: " + serverConfig.getTrustStore());
        }
        return SSLFactory.builder()
            .withProtocols("TLSv1.2")
            .withTrustMaterial(trustStoreStream, serverConfig.getTrustStorePassword())
            .build();
    }
}

@Bean
public ClientHttpRequestFactory httpsRequestFactory(
        @Autowired(required = false) SSLFactory sslFactory) { (1)
    PoolingHttpClientConnectionManagerBuilder builder =
        PoolingHttpClientConnectionManagerBuilder.create();
    PoolingHttpClientConnectionManager connectionManager =
        Optional.ofNullable(sslFactory)
            .map(sf -> builder.setSSLSocketFactory(Apache5SslUtils.toSocketFactory(sf)))
            .orElse(builder)
            .build();

    HttpClient httpsClient = HttpClients.custom()
            .setConnectionManager(connectionManager)
            .build();
    return new HttpComponentsClientHttpRequestFactory(httpsClient);
}

<dependency>
    <groupId>org.apache.httpcomponents.client5</groupId>
    <artifactId>httpclient5</artifactId>
</dependency>
<dependency>
    <groupId>io.github.hakky54</groupId>
    <artifactId>sslcontext-kickstart-for-apache5</artifactId>
</dependency>

<dependency>
    <groupId>org.apache.httpcomponents.client5</groupId>
    <artifactId>httpclient5-cache</artifactId>
</dependency>

<dependency>
    <groupId>org.springdoc</groupId>
    <artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
    <version>2.1.0</version>
</dependency>

jakarta.validation.NoProviderFoundException: Unable to create a Configuration, because no Jakarta Bean Validation provider could be found. Add a provider like Hibernate Validator (RI) to your classpath.

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-validation</artifactId>
</dependency>

@Entity
public class Song {
    @Id @GeneratedValue(strategy = GenerationType.SEQUENCE)
    private int id;

enum Dialect {
    H2("call next value for hibernate_sequence"),
    POSTGRES("select nextval('hibernate_sequence')");

drop sequence IF EXISTS hibernate_sequence;
create sequence hibernate_sequence start with 1 increment 1;

@Entity
public class Song {
    @Id @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "REPOSONGS_SONG_SEQUENCE")
    private int id;

enum Dialect {
    H2("call next value for REPOSONGS_SONG_SEQUENCE"),
    POSTGRES("select nextval('REPOSONGS_SONG_SEQUENCE')");

drop sequence IF EXISTS REPOSONGS_SONG_SEQUENCE;
create sequence REPOSONGS_SONG_SEQUENCE start with 1 increment 50; (1)

spring.jpa.properties.javax.persistence.schema-generation.create-source=metadata
spring.jpa.properties.javax.persistence.schema-generation.scripts.action=drop-and-create
spring.jpa.properties.javax.persistence.schema-generation.scripts.create-target=target/generated-sources/ddl/drop_create.sql
spring.jpa.properties.javax.persistence.schema-generation.scripts.drop-target=target/generated-sources/ddl/drop_create.sql

logging.level.org.hibernate.type=TRACE

spring.jpa.properties.jakarta.persistence.schema-generation.create-source=metadata
spring.jpa.properties.jakarta.persistence.schema-generation.scripts.action=drop-and-create
spring.jpa.properties.jakarta.persistence.schema-generation.scripts.create-target=target/generated-sources/ddl/drop_create.sql
spring.jpa.properties.jakarta.persistence.schema-generation.scripts.drop-target=target/generated-sources/ddl/drop_create.sql

logging.level.org.hibernate.orm.jdbc.bind=TRACE

import org.springframework.boot.autoconfigure.mongo.embedded.EmbeddedMongoAutoConfiguration;

import de.flapdoodle.embed.mongo.spring.autoconfigure.EmbeddedMongoAutoConfiguration;

spring.mongodb.embedded.version=4.4.0

de.flapdoodle.mongodb.embedded.version=4.4.0

for file in `find . -name "*.properties" -exec egrep -l 'spring.mongodb.embedded.version' {} \;`; do sed -i '' 's/spring.mongodb.embedded.version/de.flapdoodle.mongodb.embedded.version/' $file; done

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-activemq</artifactId>
</dependency>

spring.activemq.broker-url=tcp://activemq:61616

spring.activemq.in-memory=true
spring.activemq.pool.enabled=false

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-artemis</artifactId>
</dependency>
<!-- jmsTemplate connection polling -->
<dependency>
    <groupId>org.messaginghub</groupId>
    <artifactId>pooled-jms</artifactId>
</dependency>
<!-- dependency added a runtime server to allow running with embedded topic -->
<dependency>
    <groupId>org.apache.activemq</groupId>
    <artifactId>artemis-jakarta-server</artifactId>
</dependency>

spring.artemis.broker-url=tcp://activemq:61616

#requires org.messaginghub:pooled-jms dependency
#https://activemq.apache.org/spring-support
spring.artemis.pool.enabled=true
spring.artemis.pool.max-connections=5

#ENTRYPOINT ["./run_env.sh", "java","org.springframework.boot.loader.JarLauncher"]

#https://github.com/spring-projects/spring-boot/issues/37667
ENTRYPOINT ["./run_env.sh", "java","org.springframework.boot.loader.launch.JarLauncher"]

$ unzip -p target/springboot-app-example-*-SNAPSHOT-bootexec.jar META-INF/MANIFEST.MF

Manifest-Version: 1.0
Created-By: Maven JAR Plugin 3.3.0
Build-Jdk-Spec: 17
Main-Class: org.springframework.boot.loader.launch.JarLauncher
Start-Class: info.ejava.examples.app.build.springboot.SpringBootApp
Spring-Boot-Version: 3.3.2
Spring-Boot-Classes: BOOT-INF/classes/
Spring-Boot-Lib: BOOT-INF/lib/
Spring-Boot-Classpath-Index: BOOT-INF/classpath.idx
Spring-Boot-Layers-Index: BOOT-INF/layers.idx

@PreAuthorize("hasRole('CUSTOMER')")
@GetMapping(path = "customer", produces = {MediaType.TEXT_PLAIN_VALUE})
public ResponseEntity<String> doCustomer( ...

//@Secured-based
@Secured("ROLE_CUSTOMER")
@GetMapping(path = "customer", produces = {MediaType.TEXT_PLAIN_VALUE})
public ResponseEntity<String> doCustomer( ...

//Jsr250-based
@RolesAllowed("CUSTOMER")
@GetMapping(path = "customer", produces = {MediaType.TEXT_PLAIN_VALUE})
public ResponseEntity<String> doCustomer( ...

//path-based
@GetMapping(path = "customer", produces = {MediaType.TEXT_PLAIN_VALUE})
public ResponseEntity<String> doCustomer( ...

@Bean
public SecurityFilterChain authzSecurityFilters(HttpSecurity http,
            MvcRequestMatcher.Builder mvc) throws Exception {
    http.authorizeHttpRequests(cfg->cfg.requestMatchers(
            mvc.pattern("/api/authorities/paths/customer/**"))
            .hasAnyRole("CUSTOMER"));
    ...

@Bean
@Profile("roleInheritance")
static RoleHierarchy roleHierarchy() {
    RoleHierarchyImpl roleHierarchy = new RoleHierarchyImpl();
    roleHierarchy.setHierarchy(StringUtils.join(List.of(
            "ROLE_ADMIN > ROLE_CLERK",
            "ROLE_CLERK > ROLE_CUSTOMER"
    ),System.lineSeparator()));
    return roleHierarchy;
}

@Bean
@Profile("roleInheritance")
static RoleHierarchy roleHierarchy() {
    return RoleHierarchyImpl.withDefaultRolePrefix()
            .role("ADMIN").implies("CLERK")
            .role("CLERK").implies("CUSTOMER")
            .build();
}

21:07:06.127 main  WARN o.s.w.c.s.GenericWebApplicationContext#refresh:633 Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Failed to initialize dependency 'flywayInitializer' of LoadTimeWeaverAware bean 'entityManagerFactory': Error creating bean with name 'flywayInitializer' defined in class path resource [org/springframework/boot/autoconfigure/flyway/FlywayAutoConfiguration$FlywayConfiguration.class]: Unsupported Database: PostgreSQL 12.3

<dependency>
    <groupId>org.flywaydb</groupId>
    <artifactId>flyway-core</artifactId>
    <scope>runtime</scope>
</dependency>
<dependency>
    <groupId>org.flywaydb</groupId>
    <artifactId>flyway-database-postgresql</artifactId>
    <scope>runtime</scope>
</dependency>

@RestController
//no @Validated annotation here
public class ContactsController extends ContactsController {
    @RequestMapping(path= CONTACT_PATH,
            method=RequestMethod.GET,
            produces={MediaType.APPLICATION_JSON_VALUE, MediaType.APPLICATION_XML_VALUE})
        public ResponseEntity<PersonPocDTO> createPOC(
                @Validated(PocValidationGroups.CreatePlusDefault.class)
                @RequestBody PersonPocDTO personDTO) {
            return super.createPOC(personDTO);
        }

@RestController
@Validated
public class ValidatingContactsController extends ContactsController {

static interface NoValidation {}

@Validated(NoValidation.class) //turning off default activation
public class NonValidatingContactsController extends ContactsController {
    public ResponseEntity<PersonPocDTO> createPOC(
        @Validated(NoValidation.class) //overriding parent with non-existant group
        PersonPocDTO personDTO) {
            return super.createPOC(personDTO);
        }