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[帮助文档] Dataphin新建VervericaFlink计算源,报错测试连接失败,请确保填写连接信息无误,错误信息：DPN.ComputeEngine.Connect.Failed

问题描述Dataphin新建Ververica Flink计算源,报错"测试连接失败，请确保填写连接信息无误，错误信息：DPN.ComputeEngine.Connect.Failed"。解决方案Dataphin计算源Project Name填写错误。如果计算源配置的是Flink Vvp（Verve...

[帮助文档] Dataphin中Flink任务执行报错

问题描述Dataphin中Flink任务执行报错。CREATE TEMPORARY TABLE tbl_test( id int, num int ) WITH (   'connector' = 'kafka',   'topic' = 'order_line',  ...

FLink实例报错TimeoutException

Caused by: java.util.concurrent.TimeoutException: Heartbeat of TaskManager with id xxxxxx timed out.

Flink实例报错Job leader for job id xxx lost leadership

Caused by: java.lang.Exception: Job leader for job id 00245259f6646acab992d28789b17184 lost leadership。

Flink实例报错：SQLException: ORA-01555

Caused by: java.sql.SQLException: ORA-01555: snapshot too old: rollback segment number 1388 with name "_SYSSMU1388_388483514$" too small

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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

产品控制台

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