本文介绍: 本文介绍了Dinky创建Flink实例失败的问题描述及解决方法,报错信息为Duplicate entry ‘yarn-session-1.13-1’ for key ‘dlink_cluster_un’

Dinky版本:0.7.3

Flink版本:1.13.0

在Dinky的【注册中心】—【Flink实例管理】中:

hadoop集群以及zookeeper重启后,之前创建的一个yarn-session实例莫名其妙找不到了;

obtain applicationId failed,Please check url is corrected:java.lang.Exception: app with id: application_1705278324636_0018 not found

### Error updating database. Cause: java.sql.SQLIntegrityConstraintViolationException: Duplicate entry ‘yarn-session-1.13-1’ for key ‘dlink_cluster_un’ ### The error may exist in com/dlink/mapper/ClusterMapper.java (best guess) ### The error may involve com.dlink.mapper.ClusterMapper.insert-Inline ### The error occurred while setting parameters ### SQL: INSERT INTO dlink_cluster (alias, type, hosts, job_manager_host, application_id, resource_manager_addr, version, status, auto_registers, name, enabled, create_time, update_time, tenant_id) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 1) ### Cause: java.sql.SQLIntegrityConstraintViolationException: Duplicate entry ‘yarn-session-1.13-1’ for key ‘dlink_cluster_un’ ; Duplicate entry ‘yarn-session-1.13-1’ for key ‘dlink_cluster_un’; nested exception is java.sql.SQLIntegrityConstraintViolationException: Duplicate entry ‘yarn-session-1.13-1’ for key ‘dlink_cluster_un’

问题至此已经解决,但导致问题的原因未明,如果有遇到相同问题的同学欢迎讨论交流~

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