实时计算 Flink版sql程序的相关内容

问答 2024-05-10 来自：开发者社区

flink sql 遇到开启MiniBatch后，程序报错

flink版本1.15 在程序中写了,一个子查询进行聚合统计，然后在这个子查询外面再套了一层聚合统计。这样程序就报错了，报错信息如下：java.lang.RuntimeException: Could not instantiate generated class 'GroupAggsHandler$537' at org.apache.flink.table.runtime.genera...

文章 2024-02-24 来自：开发者社区

Flink SQL 问题之提交程序运行报错如何解决

问题一：使用flinkSQL将数据写入hudi，而hudi的数据存储在s3上，提交程序运行报错是怎么回事？使用flinkSQL将数据写入hudi，而hudi的数据存储在s3上，提交程序运行报错是怎么回事？ ...

问答 2023-08-01 来自：开发者社区

实时计算Flink中我在SQL开发中调试程序，能远程登录一下Session分配的机器？

实时计算Flink中我在SQL开发中，调试程序，能远程登录一下Session分配的机器，看机器上内容和运行结果吗？

问答 2023-07-13 来自：开发者社区

各位大佬，用flink sql api写的程序打成jar包 java -cp方式运行有人成功过吗？

问答 2023-06-15 来自：开发者社区

flink 1.15 在写flink sql 程序，不能从检查点恢复数据，希望大佬帮忙看看

flink 1.15 在写flink sql 程序on yarn的时候，设置了检查点，手动取消任务，然后从检查点启动程序，好像不能从检查点读取到状态。希望大佬帮忙看看，困扰好几天了。说明: flink版本:flink 1.15 运行环境:flink on yarn的应用模式代码模式:在java中写的flink sql 逻辑描述: 1.建一张读取kafka数据的来源表 2.建一张用于sink的....

问答 2021-12-09 来自：开发者社区

Flink SQL编写的程序要包含什么？

问答 2021-12-08 来自：开发者社区

Flink SQL 编写的程序中的Sink Operator是什么？

问答 2021-12-08 来自：开发者社区

Flink SQL 编写的程序中的Source Operator是什么？

问答 2021-12-01 来自：开发者社区

Flink1.11执行sql当判空使用<> null,程序直接结束怎么办？

环境：flink1.11：代码如下: val dataStreamEnv: StreamExecutionEnvironment = FlinkUtils.streamEnv val tableEnv: StreamTableEnvironment = FlinkUtils.streamTableEnv val sql = """SELECT CASE WHEN kafka_table.log....

问答 2018-10-30 来自：开发者社区

flink sql 从savepoint启动恢复程序状态

flink sql 从savepoint启动恢复程序状态，反序列化后，程序的数据有问题，flink sql写的程序如何从savepoint 启动

共有10条

< 1 >

跳转至： GO

更新时间 2024-05-11 11:25:36

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

实时计算 Flink版程序相关内容

实时计算 Flink版您可能感兴趣

产品推荐

{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":7,"count":7}]},"card":[{"des":"阿里云实时计算Flink版(Alibaba Cloud Realtime Compute)，基于开源的Apache Flink，优化后成熟稳定的企业版本，提供批流统一、完全托管、高性能的实时智能计算平台。","link1":"https://www.aliyun.com/product/bigdata/product/sc","link":"https://www.aliyun.com/product/bigdata/product/sc","icon":"https://img.alicdn.com/tfs/TB1yy8cD4D1gK0jSZFyXXciOVXa-200-200.png","btn2":"产品文档","tip":"阿里云实时计算推出独享模式，专属定制的计算大脑，2折试用，<a href=\" https://yq.aliyun.com/live/591\" target=\"_blank\">观看发布会</a>          最新产品和实时动态重磅发布 ，<a href=\"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716\" target=\"_blank\">立即查看</a>","btn1":"立即开通","link2":"https://help.aliyun.com/product/45029.html","title":"实时计算Flink版"}],"search":[{"txt":"申请免费试用","link":"https://help.aliyun.com/document_detail/72329.html?spm"},{"txt":"管理控制台","link":"https://stream.console.aliyun.com/zh/dark/"},{"txt":"产品文档介绍","link":"https://help.aliyun.com/document_detail/62438.html?spm"},{"txt":"独享模式价格计算器","link":"https://stream.console.aliyun.com/zh/dark/#/profile/calculator"},{"txt":"独享模式2折试用","link":"https://promotion.aliyun.com/ntms/act/rc.html"},{"txt":"技术解读","link":"https://yq.aliyun.com/articles/669177"},{"txt":"产品动态","link":"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"icon","icon":"sc","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","title":"实时计算Flink版","des":"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。","btn1":"立即开通","link1":"https://www.aliyun.com/product/bigdata/product/sc","btn3":"产品文档","link3":"https://help.aliyun.com/product/45029.html","btn2":"产品控制台","link2":"https://realtime-compute.console.aliyun.com/#/dashboard","infoGroup":[{"infoName":"实时同步","infoContent":{"firstContentName":"MySQL 到 Hologres","firstContentLink":"https://help.aliyun.com/document_detail/374270.html","lastContentName":"Kafka 到 Hologres","lastContentLink":"https://help.aliyun.com/document_detail/417217.html"}},{"infoName":"功能对比","infoContent":{"firstContentName":"开源Flink对比","firstContentLink":"https://developer.aliyun.com/article/784034?spm=5176.15088477.J_3921126020.9.1a951708XMCptN"}},{"infoName":"成本优化","infoContent":{"firstContentName":"作业自动调优","firstContentLink":"https://help.aliyun.com/document_detail/212422.html","lastContentName":"","lastContentLink":""}},{"infoName":"学习资料","infoContent":{"firstContentName":"实时数仓入门课程","firstContentLink":"https://developer.aliyun.com/learning/course/807?spm=5176.15088477.J_3921126020.7.1a951708XMCptN"}}],"contentLink":"https://www.aliyun.com/product/bigdata/sc"}]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":7,"count":7}]},"card":[{"des":"阿里云实时计算Flink版(Alibaba Cloud Realtime Compute)，基于开源的Apache Flink，优化后成熟稳定的企业版本，提供批流统一、完全托管、高性能的实时智能计算平台。","link1":"https://www.aliyun.com/product/bigdata/product/sc","link":"https://www.aliyun.com/product/bigdata/product/sc","icon":"https://img.alicdn.com/tfs/TB1yy8cD4D1gK0jSZFyXXciOVXa-200-200.png","btn2":"产品文档","tip":"阿里云实时计算推出独享模式，专属定制的计算大脑，2折试用，<a href=\" https://yq.aliyun.com/live/591\" target=\"_blank\">观看发布会</a>          最新产品和实时动态重磅发布 ，<a href=\"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716\" target=\"_blank\">立即查看</a>","btn1":"立即开通","link2":"https://help.aliyun.com/product/45029.html","title":"实时计算Flink版"}],"search":[{"txt":"申请免费试用","link":"https://help.aliyun.com/document_detail/72329.html?spm"},{"txt":"管理控制台","link":"https://stream.console.aliyun.com/zh/dark/"},{"txt":"产品文档介绍","link":"https://help.aliyun.com/document_detail/62438.html?spm"},{"txt":"独享模式价格计算器","link":"https://stream.console.aliyun.com/zh/dark/#/profile/calculator"},{"txt":"独享模式2折试用","link":"https://promotion.aliyun.com/ntms/act/rc.html"},{"txt":"技术解读","link":"https://yq.aliyun.com/articles/669177"},{"txt":"产品动态","link":"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"icon","icon":"sc","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","title":"实时计算Flink版","des":"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。","btn1":"立即开通","link1":"https://www.aliyun.com/product/bigdata/product/sc","btn3":"产品文档","link3":"https://help.aliyun.com/product/45029.html","btn2":"产品控制台","link2":"https://realtime-compute.console.aliyun.com/#/dashboard","infoGroup":[{"infoName":"实时同步","infoContent":{"firstContentName":"MySQL 到 Hologres","firstContentLink":"https://help.aliyun.com/document_detail/374270.html","lastContentName":"Kafka 到 Hologres","lastContentLink":"https://help.aliyun.com/document_detail/417217.html"}},{"infoName":"功能对比","infoContent":{"firstContentName":"开源Flink对比","firstContentLink":"https://developer.aliyun.com/article/784034?spm=5176.15088477.J_3921126020.9.1a951708XMCptN"}},{"infoName":"成本优化","infoContent":{"firstContentName":"作业自动调优","firstContentLink":"https://help.aliyun.com/document_detail/212422.html","lastContentName":"","lastContentLink":""}},{"infoName":"学习资料","infoContent":{"firstContentName":"实时数仓入门课程","firstContentLink":"https://developer.aliyun.com/learning/course/807?spm=5176.15088477.J_3921126020.7.1a951708XMCptN"}}],"contentLink":"https://www.aliyun.com/product/bigdata/sc"}]}}

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