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Posted to dev@flink.apache.org by "Yun Gao (Jira)" <ji...@apache.org> on 2022/02/07 08:41:00 UTC

[jira] [Created] (FLINK-25971) org.apache.flink.table.planner.plan.nodes.exec.serde.JsonSerdeUtil#OBJECT_MAPPER_INSTANCE might cause class leaks

Yun Gao created FLINK-25971:
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             Summary: org.apache.flink.table.planner.plan.nodes.exec.serde.JsonSerdeUtil#OBJECT_MAPPER_INSTANCE might cause class leaks
                 Key: FLINK-25971
                 URL: https://issues.apache.org/jira/browse/FLINK-25971
             Project: Flink
          Issue Type: Sub-task
            Reporter: Yun Gao


It might need a double check if 

JsonSerdeUtil#OBJECT_MAPPER_INSTANCE -> DefaultDeserializationContext _deserializationContext -> extends DeserializationContext -> DeserializerCache _cache -> _cachedDeserializers / _incompleteDeserializers might hold user ClassLoaders



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