问题1:各位大佬，请教个问题 flink cdc 读mysql 写 sr 启动job报错Caused by: org.apache.flink.util.FlinkRuntimeException: com.zaxxer.hikari.pool.HikariPool$PoolInitializationException: Failed to initialize pool: Communica....

问答 2023-06-11 来自：开发者社区

各位大佬，有没有人遇到过Flink CDC中Flink Job 超了19条就报错的？

问题1:各位大佬，有没有人遇到过Flink CDC中Flink Job 超了19条就报错的？问题2:大佬，这是啥的最大连接数？ MySQL 还是FLink？这个能在配置文件flink-conf.yaml中修改么？

问答 2023-06-04 来自：开发者社区

请教一个问题，我有一个flink cdc job，在session模式下一直报错？

请教一个问题，我有一个flink cdc job，在session模式下一直报错 Caused by: org.apache.flink.util.FlinkRuntimeException: java.sql.SQLTransientConnectionException: connection-pool-172.17.16.31:3306 - Connection is not availa....

问答 2023-05-14 来自：开发者社区

能请教一个问题吗？我往flink提交job的时候报错？

能请教一个问题吗？我往flink提交job的时候报错spring boot形式，flink 1.17有人碰到过吗？

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实时计算Flink版

阿里云实时计算Flink版(Alibaba Cloud Realtime Compute)，完全兼容开源的Apache Flink，比开源性能提升2～3倍，提供了完整的告警、监控、日志的解决方案、提升开发效率且无运维成本，并有社区专家提供技术支持。

立即开通

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产品文档

实时同步

MySQL 到 Hologres

Kafka 到 Hologres

功能对比

开源Flink对比

成本优化

作业自动调优