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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...

请问2.2.1 支持flink1.14 为什么还会报这个错：报错 java.lang.NoClass

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[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',  ...

flink1.12.4 写入hdfs报错 java.lang.OutOfMemoryError: D

通过flink 1.12.4 streaming file sink 写入hdfs，运行过程中抛出以下异常： 2021-11-08 20:39:05 java.io.IOException: java.lang.OutOfMemoryError: Direct buffer memory at or...

flink 双流join报错，java.lang.AssertionError

我使用flink 1.10.1 blink-planner。运行以下SQL时，抛出异常。其中A和B分别是两个Kafka消息流。任务使用processtime。如果我把join的B表的select 具体字段名修改为 select *，貌似就可以执行。但是拿到的B表字段顺序貌似是错乱的。请问这个问题是...

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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