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Flink SQL xxx is not serializable. The object probably contains or references non serializable field_richsourcefunction is not serializable. the object

richsourcefunction is not serializable. the object probably contains or refe

Flink 版本:1.10.3

1. 现象

在执行如下自定义 Socket Connector 示例:

// 创建 Socket Source 表
String sourceSql = "CREATE TABLE socket_source_table (\n" +
        "  word STRING COMMENT '单词'\n" +
        ") WITH (\n" +
        "  'connector.type' = 'socket',\n" +
        "  'host' = 'localhost',\n" +
        
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