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Ada Wong commented on FLINK-23074: ---------------------------------- I custom a HDFS connector, it use ExampleParquetWriter class included in flink-parquet. !screenshot-4.png! when call ExampleParquetWriter.Builder#build and already loaded hive-connector-2.3.6, it will throw the following error. {code:java} Caused by: java.lang.NoSuchMethodError: org.apache.parquet.hadoop.example.GroupWriteSupport.<init>(Lorg/apache/parquet/schema/MessageType;Ljava/util/Map;)V at org.apache.parquet.hadoop.example.ExampleParquetWriter$Builder.getWriteSupport(ExampleParquetWriter.java:114) at org.apache.parquet.hadoop.ParquetWriter$Builder.build(ParquetWriter.java:489) {code} > There is a class conflict between flink-connector-hive and flink-parquet > ------------------------------------------------------------------------ > > Key: FLINK-23074 > URL: https://issues.apache.org/jira/browse/FLINK-23074 > Project: Flink > Issue Type: Bug > Components: Connectors / Hive > Affects Versions: 1.13.1, 1.12.4 > Reporter: Ada Wong > Assignee: Ada Wong > Priority: Major > Attachments: E8C394D1-F970-4825-82CD-3EFA74C65B27.png, > image-2021-06-23-17-26-32-559.png, screenshot-1.png, screenshot-3.png, > screenshot-4.png > > > flink-connector-hive 2.3.6 include parquet-hadoop 1.8.1 version but > flink-parquet include 1.11.1. > org.apache.parquet.hadoop.example.GroupWriteSupport > is different. -- This message was sent by Atlassian Jira (v8.3.4#803005)