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全量或增量阶段失败报错，关键词“database log download failed” 场景描述 全量或增量阶段，DRS迁移或同步任务报错，日志提示信息：service LOGMANAGER failed, cause by: database log download failed, error code is %s
structure failed in source database” 场景描述 全量或增量阶段，DRS迁移或同步任务报错，日志提示信息：service LOGMANAGER failed, cause by: load database structure failed in source
background process is unavailable” 场景描述 全量迁移或同步期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: The background process is unavailable. Maybe it has
全量或增量阶段失败报错，关键词“Communications link failure” 场景描述 全量或增量阶段，DRS迁移或同步任务报错，日志提示信息：service %s failed, cause by: Communications link failure The last packet sent
after 60000 ms while waiting to connect” 场景描述 MongoDB->DDS实时迁移场景，全量迁移报错，日志提示信息：service DATAMOVE failed, cause by: [reason]:Failed to connect to database
全量迁移或同步期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=constraint_data, index=106, schema_name=%s
全量迁移或同步期间，日志界面提示信息：service DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=constraint_data, index=0, schema_name=DB
全量迁移或同步期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=constraint_data, index=0, schema_name=%s
全量或增量阶段失败报错，关键词“Extract db create sql failed” 场景描述 全量或增量阶段，DRS迁移或同步任务报错，日志提示信息：service LOGMANAGER failed, cause by: Extract db create sql failed, dbName = %s 可能原因
灾备阶段失败报错，关键词“A dml without pk write target db fail” 场景描述 MySQL为源灾备任务报错，日志界面提示：A dml without pk write target db fail。 可能原因 无主键表由于缺乏行的唯一性标志，在网络不稳定情况下，无主键表数据写入时与源数据库数据不一致。
60000 ms while waiting to connect” 场景描述 MongoDB->DDS实时迁移场景，全量或增量迁移报错，日志提示信息：service LOGMANAGER failed, cause by: [reason]:Failed to connect to
ms while waiting for a server that matches com.mongodb.client.internal” 场景描述 MongoDB->DDS实时迁移场景，增量迁移报错，日志提示信息：service INCREMENT failed, cause
account failed, can not find password from src DB” 场景描述 全量迁移期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: transfer account failed, can not
background process is unavailable” 场景描述 全量或增量阶段，DRS迁移或同步任务报错，日志提示信息：service %s failed, cause by: The background process is unavailable. Maybe it has
全量阶段失败报错，关键字“Unknown collation: 'utf8mb4_0900_ai_ci'” 场景描述 全量迁移或同步期间DRS任务报错，日志提示信息：retry structures failed events=the fail structures are [type=table_structure
全量阶段失败报错，关键词“Lock wait timeout exceeded; try restarting transaction” 场景描述 全量迁移或同步期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: apply e
replication stream failed, the source database may have a long transaction” 场景描述 全量或增量同步期间DRS任务报错，同步日志界面提示：service LOGMANAGER failed, cause by: Initialize
对比任务报错，关键词“失败报错：service SDV failed! cause by: the size of records in one shard[ *** ] of target database, exceeds the max size 200000” 操作场景
parse fail, data dictionary may be not complete!” 场景描述 全量或增量阶段，DRS迁移或同步任务报错，日志提示信息：service CAPTURER failed, cause by: tbinlog parse fail, data
vice DATAMOVE failed, cause by: Unable to connect to DBMS: url=jdbc:mysql://*** user=root, Caused by: Communications link failure The last packet
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