实时计算 Flink版报错failed 的相关内容

阿里云文档 2025-02-27

实时计算 Flink版操作报错之遇到报错org.postgresql.util.psqlexception: The connection attempt failed.，该怎么解决

问题一：Flink CDC什么情况下会出现这种异常呢？ Flink CDC什么情况下会出现这种异常呢？参考回答：这个异常可能是由于以下原因导致的： Kafka连接问题：检查K...

文章 2024-05-23 来自：开发者社区

实时计算 Flink版操作报错之使用mongodb cdc时报错Command failed with error 40573，是什么导致的

问题一：Flink CDC1.15怎么配置server-id 我跑整库同步任务跑的跑的就报错说冲突？ Flink CDC1.15怎么配置server-id 我跑整库同步任务跑的跑的就报错说冲突？参考回答：...

文章 2024-05-23 来自：开发者社区

实时计算 Flink版操作报错之抽取Oracle11g时，报错： "Retrieve schema history failed, the schema records for engine ... has been removed"，怎么处理

问题一：测试flinkcdc3.0 同步mysql到doris，就是docs里的例子，怎么都不成功？测试flinkcdc3.0 同步mysql到doris，就是docs里的例子，17kb的源库，怎么都不成功？flink版本1.17.2source: type: mysql hostname: localhost port: 3306 username: root passwo...

文章 2024-05-23 来自：开发者社区

实时计算 Flink版操作报错之全托管时，holo 库同步到另一个库，报错failed to get user from ak，是什么原因

问题一：Flink使用session 执行 select 语句的时候报以下这个错误是为啥？ Flink使用session 执行 select 语句的时候报以下这个错误是为啥？ Fetch preview data failed, no started flag file. ns:orange-flink2-default, session:select, queryId:9...

文章 2024-05-19 来自：开发者社区

实时计算 Flink版操作报错合集之写入 Kafka 报错 "Failed to send data to Kafka: Failed to allocate memory within the configured max blocking time 60000 ms"，该怎么解决

问题一：Flinkk写入kafka报错，怎么处理？ Flinkk写入kafka报错，怎么处理？ Failed to send data to Kafka: Failed to allocate memory within the configured max blocking time 60000 ms. 参数如下 request.timeout.ms=7000...

文章 2024-05-18 来自：开发者社区

实时计算 Flink版操作报错合集之遇到删除操作时，出现Failed to deserialize data of EventHeaderV4 错误如何解决

问题一：Flink CDC 实时同步，任务挂掉了，启动才能保证不丢数据吗 Flink CDC 实时同步，任务挂掉了，再次启动的话是必须从checkpoint启动才能保证不丢数据吗如果checkpoint丢失咋办？2023-11-13 03:33:09,843 ERROR org.apache.flink.util.FatalExitExceptionHandler [] - ...

文章 2023-12-20 来自：开发者社区

Flink全托管，holo 库同步到另一个库，报错failed to get user from ak 亲，请问是哪种权限缺失？Flink 配置中使用的是holo. jdbc 的user和password 。

报错 "failed to get user from ak" 指的是在使用Holo JDBC连接时，无法通过Access Key (AK)获取到有效的用户身份。这可能涉及到以下几种权限问题： AK无效或错误：确保你提供的Access Key是正确的，并且该AK具有访问目标Holo数据库的权限。 AK未授权：检...

问答 2023-08-01 来自：开发者社区

Flink CDC状态后端用rocksdb时候，项目启动报错failed to 这个是啥情况呢？

Flink CDC状态后端用rocksdb时候，项目启动报错failed to map segment from shared object 这个是啥情况呢？

问答 2023-01-09 来自：开发者社区

Flink作业报错Failed to apply resource json plan

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更新时间 2024-06-15 19:09:09

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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