{"id":64376,"library":"flink-shaded-jackson","title":"Flink Shaded Jackson","description":"Shaded Jackson library for Apache Flink to avoid version conflicts with user code.","status":"active","version":"2.20.1-21.0","language":"java","source_language":null,"source_url":"https://github.com/apache/flink-shaded","tags":["flink","jackson","shaded","json"],"install":[{"cmd":"<dependency>\n  <groupId>org.apache.flink</groupId>\n  <artifactId>flink-shaded-jackson</artifactId>\n  <version>2.20.1-21.0</version>\n</dependency>","lang":"xml","label":"Maven"},{"cmd":"implementation 'org.apache.flink:flink-shaded-jackson:2.20.1-21.0'","lang":"groovy","label":"Gradle"}],"dependencies":[],"imports":[{"symbol":"ObjectMapper","correct":"org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ObjectMapper"}],"quickstart":{"code":"import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ObjectMapper;\n\npublic class Example {\n    public static void main(String[] args) throws Exception {\n        ObjectMapper mapper = new ObjectMapper();\n        String json = mapper.writeValueAsString(new Object());\n        System.out.println(json);\n    }\n}","lang":"java","description":"Uses the shaded Jackson ObjectMapper within Flink applications."},"warnings":[{"fix":"Use only flink-shaded-jackson in Flink projects to avoid classloader issues.","message":"This is a shaded version; do not mix with non-shaded Jackson dependencies.","severity":"gotcha","affected_versions":"*"}],"env_vars":null,"search_vec":"'apach':8 'avoid':11 'code':16 'conflict':13 'flink':1,9,17 'jackson':3,5,18 'json':20 'librari':6 'shade':2,4,19 'user':15 'version':12","created_at":"2026-06-17T16:55:12.930812+00:00","updated_at":"2026-06-17T16:55:12.930812+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://flink.apache.org","github":"https://github.com/apache/flink-shaded","docs":"https://appdoc.app/artifact/org.apache.flink/flink-shaded-jackson/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["serialization","utility"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-17","next_check":"2026-12-14","install_tag":null}}