DATA 3287 spring boot 4 (#1)

* Fixed build

* Upgraded Gradle

* Upgraded to Java 21

* Upgraded to Spring boot 4

* Removed tests without assertions

* Modernize dependencies and fix Hibernate 7 alignment

- Align crnk-data-jpa with Spring Boot 4 BOM: Hibernate 6.6.4→7.1.8,
  Jakarta Persistence 3.1→3.2, Spring 6.2→7.0, Jakarta EE 10→11
- Fix JpaCriteriaQueryBackend plural path handling for Hibernate 7:
  use isMember() for collection attributes, preserve MapJoin precedence
- Replace deprecated Class.newInstance() with getConstructor().newInstance()
- Use StandardCharsets.UTF_8 instead of Charset.forName("utf8")
- Upgrade Reflections 0.9.11→0.10.2, AssertJ 2.2.0/3.9.1→3.27.3
- Replace Guava test usages (Sets, ImmutableMap/Set/List) with Java stdlib
- Remove unused version properties from versions.properties

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* Removed spring boot 1 setup. renamed spring boot 2 setup to spring boot 4

* Upgrade to Gradle 9

- Replace project.buildDir with layout.buildDirectory across all scripts
  and Java plugin code (removed in Gradle 9)
- Replace TaskContainer.create() with register() in GeneratorPlugin
- Replace setMain() with getMainClass().set() in ForkedGenerateTask
- Replace mainClassName with application { mainClass.set() } in examples
- Replace project.getProperties().get("sourceSets") with getExtensions()
- Make ForkedGenerateTask abstract (Gradle 9 JavaExec requirement)
- Upgrade dependency-management-plugin 1.0.0→1.1.7
- Upgrade vanniktech maven-publish-plugin 0.15.1→0.28.0
- Upgrade asciidoctor-gradle-jvm 3.3.2→4.0.3
- Remove JUnit 5.11 version pins; use JUnit 6.0.1 from Spring Boot 4 BOM
- Add junit-platform-launcher to test runtime (Gradle 9 requirement)
- Update Gradle wrapper from 8.13 to 9.0

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* Migrate JUnit 4 to JUnit 5 (Jupiter)

- Replace org.junit.Test with org.junit.jupiter.api.Test across 250+ files
- Replace @Before/@after with @BeforeEach/@AfterEach
- Replace @BeforeClass/@afterclass with @BeforeAll/@afterall
- Replace @ignore with @disabled
- Replace Assert.* with Assertions.* (JUnit 5 API)
- Convert @test(expected=X.class) to assertThrows(X.class, ...) (~220 occurrences)
- Convert ExpectedException rules to assertThrows pattern
- Replace @RunWith(SpringJUnit4ClassRunner.class) with @ExtendWith(SpringExtension.class)
- Replace @RunWith(MockitoJUnitRunner.class) with @ExtendWith(MockitoExtension.class)
- Fix JUnit 5 assertion parameter order (message last, not first)
- Add JerseyTestBase @BeforeEach/@AfterEach lifecycle bridge for JerseyTest
- Keep CDI tests (CdiTestRunner) and JUnitParams tests on JUnit 4 vintage engine
- Add mockito-junit-jupiter dependency for MockitoExtension support

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* Remove JUnit 4 dependency and vintage engine

- Remove junit:junit and junit-vintage-engine from all build.gradle files
- Convert CDI tests from @RunWith(CdiTestRunner.class) to Weld SE container
- Convert CrnkWebMvcTagsProviderTest from JUnitParams to @ParameterizedTest
- Convert AbstractJpaTest from SpringJUnit4ClassRunner to SpringExtension
- Remove DeltaSpike test-control dependency (replaced by direct Weld usage)
- Clean remaining JUnit 4 imports, annotations, and Assert references
- Convert remaining @test(expected=...) to assertThrows()
- Add Hamcrest MatcherAssert import where assertThat is used directly

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* Upgrade OkHttp 3.4→4.12 and Apache HttpClient 4.5→5.4

- Upgrade OkHttp from 3.4.1/3.9.0 to 4.12.0 across all modules
- Fix RequestBody.create() parameter order (OkHttp 4 deprecation)
- Rewrite Apache HttpClient adapter for HC5 API:
  org.apache.http → org.apache.hc.client5/core5
- Update HttpClientRequest to use HttpUriRequestBase, ClassicHttpResponse
- Update HttpClientResponse to use HC5 EntityUtils and response API
- Fix getUrl() to use getUri() instead of getRequestUri() (full URL)
- Upgrade Brave from 4.9.1 to 6.0.3 for HC5 compatibility
- Replace brave-instrumentation-httpclient with httpclient5
- Migrate Brave tests from zipkin2 Reporter to SpanHandler/MutableSpan
- Add HttpClientAdapter.setClientBuilder() for custom build functions
- Remove deprecated HttpClientBuilderFactory (replaced by setClientBuilder)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* Fixed vulnerabilities

* Simplified publishing
Upgraded jackson

* Fixed javadoc error

* Add claude folder

* Upgraded to Jackson 3

* Removed todo

* Disabled doc publishing to git

* Fix test in CI?

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: maarten-cb

.github/workflows/build.yml

@@ -9,14 +9,14 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    name: Ubuntu Temurin Java 8
+    name: Ubuntu Temurin Java 21
     steps:
     - name: Checkout
       uses: actions/checkout@v3
     - name: Setup JDK
       uses: actions/setup-java@v3
       with:
-        java-version: '8'
+        java-version: '21'
         distribution: 'temurin'
     - name: Set Gradle Wrapper Permissions
       run: chmod +x gradlew

.gitignore

@@ -135,3 +135,5 @@ temp
 
 # MacOS
 .DS_Store
+
+/.claude

README.md

@@ -28,7 +28,7 @@ Note that due to reliability issues of MavenCentral we only rarely publish there
 
 ## Requirements
 
-Crnk requires Java 1.8 or later and an SLF4J setup for logging.
+Crnk requires Java 21 or later and an SLF4J setup for logging.
 
 ## Example
 
@@ -62,7 +62,7 @@ dependencies {
 
     annotationProcessor 'io.crnk:crnk-gen-java'
 
-    implementation "io.crnk:crnk-setup-spring-boot2"
+    implementation "io.crnk:crnk-setup-spring-boot4"
     implementation "io.crnk:crnk-data-jpa"
     implementation "io.crnk:crnk-data-facet"
     implementation "io.crnk:crnk-format-plain-json"
@@ -196,4 +196,4 @@ Note as part of the build a local Node installation is downloaded to build the f
 
 [![YourKit](https://www.yourkit.com/images/yklogo.png)](https://www.yourkit.com/youmonitor/)
 
-We thank YourKit for supporting open source projects with profiler and monitoring tooling.
+We thank YourKit for supporting open source projects with profiler and monitoring tooling.