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实时计算 Flink版操作报错之遇到错误org.apache.flink.table.api.ValidationException: Could not find any factory for identifier 'jdbc'，该如何解决

问题一：Flink CDC中mongodb 整库同步的时候报错这个是咋回事？ Flink CDC中mongodb 整库同步的时候报错这个是咋回事？Caused by: com.mongodb.MongoCommandException: Command failed with error 73 ...

实时计算 Flink版操作报错之Apache Flink中的SplitFetcher线程在读取数据时遇到了未预期的情况，该怎么解决

问题一：Flink CDC跑联表任务时候，程序的内存会慢慢增大，这个报错是因为什么呢？ Flink CDC跑联表任务时候，程序的内存会慢慢增大，达到4G左右的时候会突然降到300M,同时jobmanager日志里显示有报错ERROR org.apache.flink.runtime.rest.han...

实时数据分析：使用Flink实时发现最热Github项目

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实时计算 Flink版操作报错合集之执行Flink job，报错“Could not execute SQL statement. Reason:org.apache.flink.table.api.ValidationException: One or more required options are missing”，该怎么办

问题一：这里是oracle的2.3.0的Flink CDC 那我的这个有什么具体的问题？ The db history topic or its content is fully or partially missing. Please check database history topic co...

实时计算 Flink版操作报错合集之Flink sql-client 针对kafka的protobuf格式数据建表，报错：java.lang.ClassNotFoundException 如何解决

问题一：flink的历史服务historyserver起来之后，看页面请求有一个404是什么情况啊? flink的历史服务historyserver起来之后，页面没有内容，看页面请求有一个404是什么情况啊? ...

实时计算 Flink版操作报错合集之flink cdc xstream采集oracle报错如何解决

问题一：Flink CDC中CheckpointException: 这种问题什么好的解决方案吗？ Flink CDC中CheckpointException: Checkpoint expired before completing. 这种问题什么好的解决方案吗？参考回答： Postgresql...

实时计算 Flink版操作报错合集之flink jdbc写入数据时，长时间没写入后报错，是什么原因导致的

问题一：Flink这个错误怎么解决？ Flink这个错误怎么解决？参考回答：这个错误是由于类型转换异常引起的，即试图将java.util.LinkedHashMap类型的对象赋值给org.apa...

实时计算 Flink版操作报错合集之通过flink sql形式同步数据到hudi中，本地启动mian方法报错如何解决

问题一：请教下我通过flink sql形式同步数据到hudi中一直找不到问题所在之处? 请教下我通过flink sql形式同步数据到hudi中本地启动mian方法报错 MiniCluster is not yet running or has already been shut down. 一直...

实时计算 Flink版操作报错合集之报错：org.apache.flink.table.api.validationexception如何解决

问题一：Flink CDC这个问题有没有哪位朋友解决过呀，该怎么处理呀？ Flink CDC这个问题有没有哪位朋友解决过呀，该怎么处理呀？org.apache.flink.table.api.validationexception: 'scan.incremental.snapshot.chunk....

实时计算 Flink版操作报错合集之异常信息显示在Flink中找不到指定的ReplicationSlot如何解决

问题一：Flink的示例代码为啥都执行不了呢？ Flink的示例代码为啥都执行不了呢？Exception in thread "main" java.lang.reflect.InaccessibleObjectException: Unable to make field private stat...

实时计算 Flink版操作报错合集之Flink sql-client 针对kafka的protobuf格式数据建表，报错：java.lang.ClassNotFoundException 如何解决

问题一：Flink CDC我task的这个内存满了在申请资源命令的时候有没有参数可以指定？ Flink CDC我task的这个内存满了除了在flink-conf.yaml中配置在申请资源命令的时候有没有参数可以指定？./bin/yarn-session.sh -jm 2048 -s 2 -tm...

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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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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