{"id":55466,"library":"openjpa","title":"Apache OpenJPA","description":"Apache OpenJPA is an implementation of the Jakarta Persistence API (JPA) for object-relational mapping in Java.","status":"active","version":"4.1.1","language":"java","source_language":null,"source_url":"https://gitbox.apache.org/repos/asf/openjpa.git","tags":["jpa","orm","openjpa","database","persistence"],"install":[{"cmd":"<dependency>\n  <groupId>org.apache.openjpa</groupId>\n  <artifactId>openjpa</artifactId>\n  <version>4.1.1</version>\n</dependency>","lang":"xml","label":"Maven"},{"cmd":"implementation 'org.apache.openjpa:openjpa:4.1.1'","lang":"groovy","label":"Gradle"}],"dependencies":[],"imports":[{"symbol":"EntityManager","correct":"javax.persistence.EntityManager"}],"quickstart":{"code":"import javax.persistence.EntityManager;\nimport javax.persistence.EntityManagerFactory;\nimport javax.persistence.Persistence;\n\nEntityManagerFactory emf = Persistence.createEntityManagerFactory(\"myPU\");\nEntityManager em = emf.createEntityManager();","lang":"java","description":"Obtain a JPA EntityManager using OpenJPA"},"warnings":[{"fix":"Use jakarta.persistence imports for version 4.x.","message":"OpenJPA 4.x uses Jakarta namespace; older versions use javax.persistence.","severity":"breaking","affected_versions":">=4.0.0"}],"env_vars":null,"search_vec":"'apach':1,3 'api':12 'databas':24 'implement':7 'jakarta':10 'java':20 'jpa':13,21 'map':18 'object':16 'object-rel':15 'openjpa':2,4,23 'orm':22 'persist':11,25 'relat':17","created_at":"2026-06-15T09:52:13.764550+00:00","updated_at":"2026-06-15T09:52:13.764550+00:00","problems":[],"ecosystem":"maven","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"http://openjpa.apache.org","github":null,"docs":"https://appdoc.app/artifact/org.apache.openjpa/openjpa/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["orm","database"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-15","next_check":"2026-12-12","install_tag":null}}