Add Hibernate 7 batches 2-5: mapping styles, JPA annotations, natural IDs, @Immutable, stored procedures, in-memory test databases, JNDI mocking, proxies, associations, temporal mapping and named queries (Hibernate 7.4.5.Final + Spring Boot 4.1.1 + JDK 25)

2026-09-06 10:30:19 +05:30
commit 5b97a85fe7
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+@JdbcTypeCode(SqlTypes.JSON) with NO JSON provider on the classpath.
+
+Reproduced by removing tools.jackson.core:jackson-databind and excluding
+spring-boot-starter-jackson from spring-boot-starter-web, leaving zero JSON
+providers on the test classpath:
+
+$ mvn -o -B dependency:list -DincludeScope=test | grep -icE 'jackson-databind|yasson|johnzon'
+0
+
+$ mvn -o -B test -Dtest=JsonColumnOnH2Test
+org.hibernate.HibernateException: Could not find a FormatMapper for the JSON format, which is required for mapping JSON types. JSON FormatMapper configuration is automatic, but requires that you have either Jackson or a JSONB implementation like Yasson on the class path.
+
+Put either Jackson or a JSONB implementation back on the classpath and the same
+test passes. spring-boot-starter-data-jpa on its own does not bring one:
+
+$ mvn -o -B test -Dtest=JsonColumnOnH2Test   # with tools.jackson.core:jackson-databind present
+[INFO] BUILD SUCCESS