flink 在使用upsert_kafka connector 时报错，找不到类Exeption: Could not find any factory for identifier 'upsert-kafka' that implements 'org.apache.flink.table.factories.DynamicTableFactory' in the classpath.

 原因：因为Flink 加载 table Factory 使用的时SPI机制，而正常的flink jar包是不包含META-INF.services 路径的，需要自己去添加

org.apache.flink.table.factories.TableFactory

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org.apache.flink.streaming.connectors.kafka.KafkaTableSourceSinkFactory
org.apache.flink.connector.jdbc.catalog.factory.JdbcCatalogFactory
org.apache.flink.connector.jdbc.table.JdbcTableSourceSinkFactory
org.apache.flink.streaming.connectors.redis.RedisTableSinkFactory
org.apache.flink.connectors.kudu.table.KuduTableFactory
org.apache.flink.connectors.kudu.table.KuduCatalogFactory

参考链接：https://blog.csdn.net/u013516966/article/details/106536525